MGC 50/MGC 100
Getting Started Guide
Version 9.0.4 | August 2010 | DOC2230A
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Regulatory Notices
United States Federal Communication
Caution: This equipment has a connection
between the grounded conductor of the DC
supply circuit and the grounding conductor. See
Installation Instructions.
Commission (FCC)
Part 15: Class A Statement. This equipment has
been tested and found to comply with the limits for a
Class A digital device, pursuant to Part 15 of the FCC
Rules. Test limits are designed to provide reasonable
protection against harmful interference when the
equipment is operated in a commercial environment.
This equipment generates, uses, and can radiate
radio-frequency energy and, if not installed and used
in accordance with the instruction manuals, may
cause harmful interference to radio communications.
Operation of this equipment in a residential area is
likely to cause harmful interference, in which case the
user will be required to correct the interference at his
or her own expense.
•
This equipment shall be located in the same
immediate area (such as, adjacent cabinets or
any other equipment that has a connection
between the grounded conductor of the same
DC supply circuit and the grounding conductor,
and also the grounding connection of the DC
system.) The DC system shall not be grounded
elsewhere.
Canadian Department of Communications
This Class [A] digital apparatus complies with
Canadian ICES-003.
Part 68: Network Registration Number. This
equipment is registered with the FCC in accordance
with Part 68 of the FCC Rules. This equipment is
identified by the FCC registration number.
Notice: The Industry Canada label identifies certified
equipment. This certification means that the
equipment meets telecommunication network
protective, operational and safety requirements as
prescribed in the appropriate Terminal Equipment
Technical Requirements document(s). The
Department does not guarantee the equipment will
operate to the user's satisfaction.
If requested, the FCC registration Number and REN
must be provided to the telephone company.
Any repairs to this equipment must be carried out by
Polycom Inc., or our designated agent. This
stipulation is required by the FCC and applies during
and after the warranty period.
Before installing this equipment, users should ensure
that it is permissible to be connected to the facilities
of the local telecommunications company. The
equipment must also be installed using an acceptable
method of connection. The customer should be
aware that compliance with the above conditions may
not prevent degradation of service in some situations.
Repairs to certified equipment malfunctions, may give
the telecommunications company causes to request
the user to disconnect the equipment.
United States Safety Construction Details
•
•
•
•
Unit is intended for RESTRICTED ACCESS
LOCATION.
Unit is to be installed in accordance with the
National Electrical Code.
The branch circuit overcurrent protection shall
be rated 20 A for the AC system.
Users should ensure for their own protection that the
electrical ground connections of the power utility,
telephone lines and internal metallic water pipe
system, if present, are connected together. This
precaution may be particularly important in rural
areas.
This equipment has a maximum operating
ambient of 40°C, the ambient temperature in
the rack shall not exceed this temperature.
For DC system only:
Caution: Users should not attempt to make such
connections themselves, but should contact the
appropriate electric inspection authority, or
electrician, as appropriate.
•
•
Use 10 AWG copper conductors.
Connect to a reliably grounded 48 V DC SELV
source.
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Regulatory Notices
EC Mark R&TTE Directive
Russian Communication Certificate
Polycom Inc., declares that the MGC-50 and
MGC-100 with NET-2/4/8 card is in conformity with
the following relevant harmonized standards:
The MGC-100 and MGC-50 comply with the Russian
Ministry of Communication requirements stated in
certificate OC/1-MM-15.
EN 60950: 1992 Including Amendments 1,2,3 & 4
EN 55022: 1994
EN 50082: 1997
Following the provisions of the Council Directive
1999/EC on radio and telecommunication terminal
equipment and the recognition of its conformity.
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Initial System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Initial IP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Installing the MGC Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Starting the MGC Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Defining an MCU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Connecting to an MCU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Defining an ISDN Network Service . . . . . . . . . . . . . . . . . . . . 3-9
Defining Spans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16
Defining Dial-In Numbers . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
Assigning Network Services to the IP/IP+ Cards . . . . . . . . . 3-50
About Conferences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
On-Demand (Reservation-less) Conferencing . . . . . . . . . . . . . . . . . . 4-1
Ad Hoc Conferencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Meeting Rooms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Scheduled Conferences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
i
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MGC-50/MGC-100 Getting Started Guide
Entry Queue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Reservation Templates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Starting a Conference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Viewing the Conference Dial-in Properties . . . . . . . . . . . . . . 5-4
Connecting to a Conference/Entry Queue . . . . . . . . . . . . . . . . . . . . . 5-5
Dialing-in to a Conference/Entry Queue . . . . . . . . . . . . . . . . 5-5
Monitoring On Going Conferences . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
General Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Monitoring a Conference . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Defining a New Audio Only Meeting Room . . . . . . . . . . . . . . . . . . . 6-9
Defining a New Video Conference . . . . . . . . . . . . . . . . . . . . . 7-1
Defining a New Video Entry Queue . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Setting an Entry Queue as Default . . . . . . . . . . . . . . . . . . . . . 7-4
Creating a Target Conference from an Entry Queue . . . . . . . . . . . . . 7-5
Creating an On Going Video Conference . . . . . . . . . . . . . . . . . . . . . 7-6
ii
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Resource Report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
Resources Report - Network Resources . . . . . . . . . . . . . . . . . 8-3
Resource Report - Network Resources Details . . . . . . . . . . . 8-4
Resources Report - Media Resources . . . . . . . . . . . . . . . . . . . 8-5
Media Resources Area Parameters Description . . . . . . . . . . 8-5
Port-Unit Allocation Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
Listing the Installed Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8
MCU Faults Report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-11
Reset MCU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-14
Obtaining Additional Information . . . . . . . . . . . . . . . . . . . . . . . . . . 8-14
iii
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MGC-50/MGC-100 Getting Started Guide
iv
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1
Before You Begin
This Getting Started Guide provides information on the installation and
basic operation of your MGC-50/100. For more information on defining and
running conferences, defining IVR services and managing the system, refer
to the MGC Manager User’s Guide Volumes I & II and the MGC
Administrator’s Guide included with the system. References to the relevant
chapters of these guides are included throughout this Getting Started Guide.
This is an example of the notes that you may encounter throughout this guide.
System Overview
The MGC-50 and MGC-100 are high performance, high capacity multi-
network solutions that provides you with feature-rich, and easy-to-use
multipoint voice, video and gateway conferencing.
The system meets International Telecommunication Union -
Telecommunication Standardization Sector, (ITU-T, formerly CCITT)
standards for multipoint multimedia bridging devices, and meets ETSI
standards for telecommunication products. The MGC-100 DC also meets
the NEBS Compliant Standard (when so ordered) for our clients based in the
United States.
The flexible architecture in the system is designed to accommodate users’
changing multipoint needs. This system utilizes a modular “universal slot”
platform that allows the formation of different configurations based on
users’ individual port capacity and functionality requirements.
1-1
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Chapter 1 - Before You Begin
MGC Unit Main Features
The MGC unit offers the following features:
•
Supports a large number of ports (48 for the MGC-50, 96 for the MGC-
100) running at 128 Kbps
•
Universal slots, telco grade high availability with hot-swappable
modules, redundancy, on-line upgrading and dynamic resource
allocation
•
•
•
Support for standard network interfaces (ISDN, ATM, T1-CAS, LAN
and V.35 serial) for the easy integration of conference elements into
external network management and billing systems
Support for up to 16 operator workstations (PCs) connected to either a
local or remote MCU; each operator workstation can be connected to
several MGC units
Multirate conferencing and Transcoding (audio and video, including
high bit rate video and data bit rate conversion)
•
•
•
•
•
•
•
•
Channel aggregation according to H.221, BONDING and Multirate (H0)
Automatic rate detection upon endpoint connection to the conference
H.320/H.323 video, T.120 data and Greet and Guide conferencing
Quality of Service for IP networks
Enhanced Continuous Presence (multi-image video)
Ad Hoc conferencing
IVR (Interactive Voice Response)
Windows 95®/Windows 98®/Windows NT®/Windows 2000®/
Windows XP® based operator station
•
•
•
•
Multiple operators per conference
Multiple conferences and MCUs per operator
TCP/IP - LAN - Internet access
Supports serial communication (V.35/RS-530/RS-449) (optional)
1-2
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MGC-50/MGC-100 Getting Started Guide
MGC-50/MGC-100 Specifications
Table 1-1 lists the specifications of the MGC-50 and the MGC-100 units.
Table 1-1: MGC Unit Specifications
Physical
MGC-50
MGC-100
MGC-100 NEBS
Height
16”
16”
21”
Width
15”, 19” with
mounting plate
21”, 23”
with
21”, 23” with
mounting plates
mounting
plates with
unit at 90%
Depth
19.5”
19.5”
19.5”
Weight
Up to 24 kg
Up to 48 kg Up to 58 kg
Free space above the
MCU rack
Itis recommended
3” in standard
installations
3”
for the installer to
refer to the NEBS
Standards
standard
installation,
9” if a MPI-
8” is to be
fitted
H.323 Protocols
MGC-50/MGC-100
Audio
G.711, G.722 (48), G.722.1, G.728, G. 723.1, G.729,
Siren 7, Siren 14
Video
Data
H.261, H.263 (Annexes N, F, P)
T.120
H. 320 Protocols
MGC-50/MGC-100
Audio
G.711, G.722 (48), G.722.1, G.728, G. 723.1, Siren
7, Siren 14
Video
H.261, H.263 (Annexes N, F, P), H.264
Data
T.120
H.243
Cascading
1-3
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Chapter 1 - Before You Begin
Table 1-1: MGC Unit Specifications
Channel aggregation
Network Interfaces
Network interfaces
H.221, BONDING, Multi-Rate (H0)
MGC-50/MGC-100
ISDN:
T1 PRI, E1 PRI, Multirate ISDN, NFAS, Leased
lines-T1/E1, Switched 56
IP (H.323 and SIP):
LAN
T1-CAS
T1-CAS lines for Audio Only connections
ATM:
25 (FVC.COM), 155 (FVC.COM)
Serial:
V.35, RS449, RS530/A
External
Communications
MGC-50/MGC-100
Data rates
56 Kbps - 1920 Kbps (E1)
Network interfaces
ISDN T1/ E1, ATM-25 (First Virtual), ATM-155 (First
Virtual), T1-CAS, LAN, serial (MPI)
MGC Manager control
connection
An independent LAN connection (separate from the
conferencing connection)
Clock synchronization
Synchronizes to an external network
Local/Remote External
Equipment
MGC-50/MGC-100
Operator workstations
Reservation systems
LAN/RS-232/Modem/Internet
LAN/Internet/Modem
Environment
MGC-50/MGC-100
Operating temperature
Storage temperature
Relative humidity
10°–40°C (50°–104°F)
-40°–70°C (40°–158°F)
15%-90% no condensing
Up to approx. 3,000m (10,000ft)
Operating altitude
1-4
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MGC-50/MGC-100 Getting Started Guide
Table 1-1: MGC Unit Specifications
Storage altitude
Operating ESD
Storage ESD
Up to approx. 12,000m (40,000ft)
+8kV
+15kV
Conference Setup
MGC-50/MGC-100
Integrated scheduler
Yes
Yes
API to 3rd party
reservation systems
Diagnostics
MGC-50/MGC-100
Power up
On-line
Yes
Yes
Yes
Remote
Serviceability /
Reliability
MGC-50/MGC-100
Hot swappable modules
Yes
Yes
Front panel removable
modules
Power Supply
MGC-50
MGC-100
DC Input
AC Input
-
-48 VDC
100-240 VAC,
50/60 Hz
Power Consumption
MGC-50
MGC-100
AC Maximum Power
consumption
AC Voltage - 10
Amp at 100
VAC, 5 Amp at
240 VAC
•
AC Voltage - 15 Amp at 100
VAC and 7.5 Amp at 220
VAC protected by a 15 Amp
circuit breaker.
protected by a
15 Amp circuit
breaker.
•
DC Voltage - 42 Amp at 48
VDC protected by a 50 Amp
circuit breaker.
1-5
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Chapter 1 - Before You Begin
Network Equipment, Numbers and Addresses
Obtain the following information from your network administrator:
•
•
•
•
•
•
IP address for the MGC-50/MGC-100
Subnet Mask for the MGC-50/MGC-100
Default Gateway IP address (optional)
Gatekeeper IP address, if applicable
DNS IP address, if applicable
SIP server IP address, if applicable
For ISDN configurations, obtain the following equipment and information
from your network service provider:
•
•
•
•
•
•
•
PRI line(s) or Leased Line(s)
Directory number range(s)
Switch Type
Line Coding
Line Framing
Numbering Plan
Numbering Type
If the MGC-50/100 has to be connected to the public ISDN network, an
external CSU or similar equipment is needed.
1-6
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2
Hardware Description
The following components make up the MGC unit:
Main Control Module
Backplane
•
•
•
•
•
•
Power Supply Module(s)
Fans
Alarms port
Functional Modules
—
—
—
—
—
—
—
—
ISDN/T1-CAS Net-2/4/8
IP/IP+ cards
MUX
MUX+
Audio+12/24, Audio+24/48, Audio+48/96
Standard Video
Video+
Data
•
Input/Output cards
2-1
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Chapter 2 - Hardware Description
MGC-100 Components Location
Figure 2-1 shows the front panel of the MGC-100. The front panel provides
access to the Main Control Module, the Functional Modules, and the Power
Supply Modules. Status LEDs on the Main Control Module, Functional
Modules, and Power Supply Modules indicate the status of the system.
Functional Modules
Main
Control
Module
LEDs
Ejectors
CONT
E1
MUX
MUX
DATA
DATA
VIDEO
VIDEO
VIDEO
VIDEO
AUDIO
AUDIO
AUDIO
AUDIO
NET-8
NET-8
NET-8
Critical
Major
Minor
L0
ACCORD
MGC-100
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Line
Line
1
2
Line
Line
1
2
Line
Line
1
2
Line
Line
Line
Line
Line
Line
3
4
5
6
7
8
Line
Line
Line
Line
Line
Line
3
4
5
6
7
8
Line
Line
Line
Line
Line
Line
3
4
5
6
7
8
Power
L1
Line
Line
A
L2
B
L3
PWR
PWR
PWR
IN OUT
IN OUT
IN OUT
Disk Drive
COM Port
Power Supply Module Handle
Figure 2-1: MGC-100 Front Panel
2-2
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MGC-50/MGC-100 Getting Started Guide
Figure 2-2 shows the rear panel of the MGC-100. The rear panel provides
access to the network I/O card connectors. I/O cards are inserted via the rear
panel. In addition, the rear panel houses the main power switch, AC inlet,
fans, the fuse, additional communications ports and alarm ports. The Alarms
port provides dry contacts for critical, major, and minor alarms.
Slot A
Main Control
Module Cover
RS232
Connectors
Network
Connectors
MUSIC
LINE IN
COM
COM
1
ALARMS
LAN
10/100 Mbits
Main Switch
and Circuit Breaker
AC Inlet
Dry Contacts
RJ45 Connector
Fan
Figure 2-2: MGC-100 Rear Panel with External Connectors
2-3
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Chapter 2 - Hardware Description
Figure 2-3 shows the front panel of the MGC-100 NEBS Standard. The front
panel, as in the MGC-100, provides access to the Main Control Module, the
Functional Modules, and the Power Supply Modules. Status LEDs on the
Main Control Module, Functional Modules, and Power Supply Modules
indicate the status of the system.
.
Functional Modules
Ejectors
Main
Control
Module
LEDs
CONT
NET-E1
MUX
MUX
DATA
DATA
VIDEO
VIDEO
VIDEO
VIDEO
AUDIO
AUDIO
AUDIO
AUDIO
NET-8
NET-8
NET-8
Critical
Major
Minor
L0
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
Stby
Fail
MGC-100
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Line
Line
Line
Line
Line
Line
Line
Line
1
2
3
4
5
6
7
8
Line
Line
Line
Line
Line
Line
Line
Line
1
2
3
4
5
6
7
8
Line
Line
Line
Line
Line
Line
Line
Line
1
2
3
4
5
6
7
8
Power
L1
Line A
L2
Line
B
L3
Floppy Disk Drive
COM Port
Power Supply Module Cover
Figure 2-3: MGC-100 NEBS Standard Front Panel
2-4
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MGC-50/MGC-100 Getting Started Guide
Figure 2-4 shows the rear panel of the MGC-100 NEBS Standard.
The rear panel, as in the standard MGC-100, provides access to the
network I/O card connectors and fans. I/O cards are inserted via the
rear panel.
Figure 2-4: MGC-100 NEBS Standard Rear Panel with External Connectors
2-5
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Chapter 2 - Hardware Description
MGC-50 Components Location
Figure 2-5 shows the front panel of the MGC-50. The front panel provides
access to the Main Control Module, the Functional Modules, and the Power
Supply Module. Status LEDs on the Main Control Module, Functional
Modules, and Power Supply Module indicate the status of the system.
Functional Modules
Ejectors
Main
Control
Module
LEDs
CONT
PRI-8
MG-323
AUDIO
AUDIO
VIDEO
VIDEO
VIDEO
VIDEO
Critical
POLYCOM
Stby
Stby
Stby
Stby
Stby
Stby
Fail
Stby
Stby
Major
Minor
Fail
Fail
Fail
Fail
Fail
Fail
Fail
MGC-50
Active
Active
Active
Active
Active
Active
Active
Active
L0
Line
1
Line
Line
Line
Line
Line
2
3
4
5
6
Power
L1
L2
Line
Line
7
8
L3
PWR
OUT
Floppy Disk Drive
COM Port
Figure 2-5: MGC-50 Front Panel
2-6
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MGC-50/MGC-100 Getting Started Guide
Figure 2-6 shows the rear panel of the MGC-50. I/O cards are inserted via the
rear panel. The rear panel also provides access to the fans, power supply
module, network connections, additional communications ports, the main
power switch, AC inlet, and fuse.
Slot A
Main Control
Module Cover
IO Card
COM
1
LAN
Fuse
Main Switch
Fan
AC Inlet
RJ45
Connector
Figure 2-6: MGC-50 Rear Panel with External Connector
2-7
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Chapter 2 - Hardware Description
MGC Unit Components
The following table describes the MGC components. A more detailed
description is found in the MGC-50/MGC-100 Hardware & Installation
Manual.
Table 2-1: MGC Component Description
MGC
Description
Component
Control Module
Backplane
The Main Control Module performs the conference setup
and termination and resource allocation in both the
MGC-100 and the MGC-50.
The backplane is an electronic circuit board into which
The Network Interface Module, the Main Control Module,
Functional Modules, and I/O cards are plugged so the
various modules can communicate with each other. The
Backplane is based on the “universal slot” concept, where
any card can be inserted in any slot.
Power Plane
The Power Plane is a conducting layer providing power to
the components. It is part of the Backplane and is
designed to accommodate hot swapping of power
supplies.
Power Supply
Modules
The Power Supply Module is located underneath the Main
Control Module and the Functional Modules and is
connected to the backplane. It provides power to the
Backplane by means of a power bus. Both MGC units
(MGC-100 and MGC-50) operate at 100-240 volts AC 50/
60 Hz.
Fans
Three (MGC-100) or two (MGC-50) fans are mounted at
the bottom of the rear panel.
Alarms Port
In the MGC-100 an Alarms port is located on the Main
Control Module. The dry contacts on the rear panel of the
MGC-100 are for connecting to the customer’s alarm
system.
2-8
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MGC-50/MGC-100 Getting Started Guide
Table 2-1: MGC Component Description
MGC
Description
Component
Functional
Modules
The Functional Modules, also known as cards, perform
the various audio, video, and data processing functions
for the MGC unit. Both the MGC-100 and the MGC-50
use the same functional modules.Any module can be
inserted into any slot and servicing can be performed
while the system is in operation. The MGC-100 can
contain up to 16 Functional Modules and the MGC-50 can
contain up to 8 Functional Modules.
Input/Output (I/O)
Cards
Input/Output (I/O) Cards connect the Functional Modules
to external systems and networks.
2-9
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Chapter 2 - Hardware Description
2-10
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3
Initial System Configuration
The MGC-50/MGC-100 requires basic configuration before you can start
running conferences.
Initial IP
Configuration
Initial IP Configuration
The system is shipped with a default IP address: 129.254.4.8. Ordinarily,
you need to change the MCU’s default IP address to the IP address
appropriate for the site's LAN. This section describes how to modify it using
a monitor and terminal to connect directly to the MCU.
Installing the
MGC Manager
Starting the MGC
Manager
To modify the MCU default IP address to the site’s IP address:
1. Remove the Main Control Module cover.
Defining an MCU
MUSIC
NET
A
LINE IN
KB0
Connecting
to an MCU
COM
COM
1
ALARMS
LAN
10/100 Mbits
Configuring the
Network Services
Figure 3-1: MGC-100 Rear Panel
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KB0
COM
1
LAN
Figure 3-2: MGC-50 Rear Panel
2. Connect a monitor and the keyboard to the appropriate connectors in the
MCU.
MUSIC
NET
A
LINE IN
KB0
KB0
COM
COM
1
ALARMS
LAN
Figure 3-3: Attaching the Monitor and Key Board to the MGC-100
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Chapter 3 - Initial System Configuration
KB0
KB0
COM
1
LAN
Figure 3-4: Attaching the Monitor and Key Board to the MGC-50
3. Insert the DOS diskette into the MCU diskette drive.
4. Reset the MCU (by turning it off and then on), or if it is turned off, turn it
on. The command line is displayed.
5. Type C:\>dir mcu\cfg and press Enter.
6. Type C:\>\mcu\cfg>edit lan.cfg and press Enter.
The Edit screen opens displaying the IP configuration parameters.
7. Move the cursor to the appropriate line and enter the new IP Address.
If required, modify the Subnet Mask and the Default Gateway values.
8. Save the new IP configuration and exit the DOS editor.
9. Disconnect the monitor and keyboard from the MCU, and mount the
Main Control Module cover back to its place.
10. Restart the MCU.
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Installing the MGC Manager
To configure and control the MGC unit and to setup conferences you must
Initial IP
Configuration
install the MGC Manager software on a customer-provided computer or
server. Up to 30 MGC Manager-enabled PCs can be connected to each
MGC-50 or MGC-100. A single MGC Manager-enabled PC can manage
multiple MGC systems.
Installing the
MGC Manager
To install the MGC Manager software:
1. Insert the software CD into the CD drive.
2. On the Start menu, click Run.
Starting the MGC
Manager
The Run dialog box opens.
3. Type D:\SETUP (where D is the name of the CD drive), and then click
OK.
The installation wizard starts and the License Agreement window opens.
Defining an MCU
Connecting
to an MCU
Configuring the
Network Services
4. Click Yes to agree to the terms of the agreement or No to exit the
installation.
If you clicked Yes, the Welcome window opens.
5. Click Next.
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The User Information screen opens.
6. Enter your name and the name of your company in the appropriate
boxes.
For a standard installation, enter Polycom in the Serial box.
7. Click Next.
Follow the on-screen instructions to complete the installation process.
At the end of the installation procedure, the Setup Complete window
opens.
8. Click Finish.
The MGC Manager software is now installed on your computer.
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Starting the MGC Manager
Once the MGC Manager application is installed, it can be used to set up and
monitor multipoint audio and video conferences, and to perform system
configuration activities for the MGC unit to which it connects.
Initial IP
Configuration
To start the MGC Manager application:
•
On the Start - Programs menu, click MGC Manager ver 9.0, and then
click MGC Manager ver 9.0.
Installing the
MGC Manager
Starting the MGC
Manager
Defining an MCU
Connecting
to an MCU
The MGC Manager main window opens.
Main Menu
Toolbars
Configuring the
Network Services
Status pane
Browser
pane
Monitor pane
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Defining an MCU
To manage and control the MGC unit from the MGC Manager application it
must be added to the MCUs Network list. The MCU IP address must match
the IP address defined in the MCU. For details, see “Initial IP Configuration”
on page 3-1.
Initial IP
Configuration
To define an MCU Connection:
Installing the
MGC Manager
1. In the Browser pane, right-click the MCU Network icon, and then click
New MCU.
Starting the MGC
Manager
The Add MCU dialog box opens.
2. In the Name box, enter a name that clearly identifies the MCU using up
to 20 characters (no comma, period or semicolon).
Defining an MCU
Connecting
to an MCU
Configuring the
Network Services
3. In the IP Address box, enter the IP Address of the MCU (as defined
during the Initial IP Configuration).
4. Click OK.
The Add MCU dialog box closes.
The new MCU icon and name appear in the Browser pane.
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Connecting to an MCU
Once the MCU connection parameters are defined, the MGC Manager can be
Initial IP
Configuration
connected to all defined MCUs simultaneously. The MGC Manager allows
you to set up conferences, make reservations, monitor On Going Conferences
and perform other activities on several MCUs. The MGC Manager reports the
status of each MCU connection.
Installing the
MGC Manager
To connect the operator workstation to an MCU:
1. In the Browser pane, expand the MCUs Network tree.
A list of MCUs appears below the MCUs Network icon.
Starting the MGC
Manager
2. Double-click the MCU icon.
Alternatively, right click the MCU icon, and then click Connect.
Defining an MCU
The Logon dialog box opens.
Connecting
to an MCU
Configuring the
Network Services
3. Enter your Login Name and Password, and then click OK.
Note that each MCU is initially configured with a default operator whose
Login and Password are both POLYCOM. Additional operators can be
defined. For more details, see the MGC Administrator’s Guide,
Chapter 6.
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Chapter 3 - Initial System Configuration
Configuring the Network Services
The Network Services include the parameters of the networks connected to
the MCU. If no Network Services have been configured, depending on your
system configuration, the appropriate Network Service must be configured.
This section describes the configuration of both IP and ISDN networks.
Initial IP
Configuration
For information about defining T1-CAS, MPI, NFAS ISDN, Leased lines
ISDN and additional ISDN and IP Network Services, or modifying
existing Network Services, refer to the MGC Administrator’s Guide,
Chapter 3.
Installing the
MGC Manager
ISDN Network Service
Starting the MGC
Manager
The Net-2/4/8 Network Interface module installed in the MCU interfaces
between the MGC unit and the ISDN switch. The Network Service is used to
define the properties of the switch and the ISDN lines running from the
switch to the ISDN Network Interface module. Each group of ISDN lines
having the same characteristics and originating from the same ISDN switch,
will be assigned to the same Network Service.
Defining an MCU
IP Network Service
Connecting
to an MCU
The IP Network Service defines the properties of the IP network used for
connecting IP endpoints to the conference and the IP cards (installed in the
MCU) to which the network is connected. Several of the network components
are used by both H.323 and SIP endpoints to connect to the conference, and
the same IP card is used for H.323 and SIP connections. One IP Network
Service, therefore, can be defined for both H.323 and SIP environments as
well as an H.323-only or a SIP-only network service.
Configuring the
Network Services
Defining an ISDN Network Service
The MCU can be connected to ISDN lines provided by different carriers.
Each carrier has unique characteristics, and may have different pricing
programs. To use these lines, together with the carrier’s special programs, you
must first obtain the relevant information from the carrier and then define
their parameters in the MGC Manager’s application.
To define a New ISDN Network Service:
1. Connect the MGC Manager to the MCU.
2. In the Browser pane, expand the MCU tree to list its options.
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3. In the MCU tree, expand the MCU Configuration tree.
4. Expand the Network Services tree.
5. Right-click the Network Services - ISDN icon, and then click New
Network Service.
The new Network Service configuration wizard - Settings tab opens.
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6. In the Settings dialog box, define the following parameters:
Table 3-1: Settings Dialog Box Options
Field
Description
Net Service Name
Enter a unique name using up to 20 characters to
identify the Network Service. The Service
Provider’s name can be used.
Span Type
Select the span type from the drop-down list; select
either T1 (usually in the U.S.), or E1 (usually in
Europe).
Service Type
Select PRI (Primary Rate Interface) for all ISDN
lines that are not leased lines. To define ISDN
Leased Lines service, refer to the MGC
Administrator’s Guide, Chapter 3.
NFAS
To define an ISDN NFAS Service, refer to the MGC
Administrator’s Guide, Chapter 3.
7. Click Next.
The PRI Settings dialog box opens.
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8. In the PRI Settings dialog box, define the following parameters:
Table 3-2: PRI Settings Dialog Box Options
Field
Description
Default num-type
The num-type defines how the system handles the
dialing digits. If you want the network to interpret the
dial digits for routing the call, select Unknown.
Num-plan
Voice
For video conferencing purposes, select the ISDN
option.
Indicate the frequency of the data being sent. For
practical purposes, the Voice option is set to 3.1
KHz as it is the more widely used frequency.
Sub Services
Some service providers (carriers) may have several
service programs that can be used. They may also
use a backup service provider in case of
malfunction in the ISDN network. The Sub-Service
list displays the list of currently defined sub
services.
To define a service program to be used, click the
Add button. The Sub-Service dialog box opens.
To remove a service program from the list, highlight
it in the list box and click the Del button.
To set a service program as the default, highlight it
in the list box and click the Default button.
To edit the parameters of a sub-service, double-click
its name in the sub-services list. The Sub-Service
dialog box opens.
9. If you are not defining a sub-service or if you have completed the
sub-service definition, click Next to continue.
The Span Definition dialog box opens. To continue the definition of the
Network Service without defining a sub service, skip to step 12.
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10. To add or modify the sub-service, in the Sub Service dialog box define
the following parameters:
Table 3-3: Sub Service Dialog Box Options
Field
Description
Name
Type the name of the sub-service using up to 20
characters. This name identifies the sub-service.
Dial-out Prefix
Type the prefix that your PBX needs to dial out in
order to use this service program. Leave this field
blank if a dial-out prefix is not required.
Information
Element
For future release.
Net Specific
Select the desired service program from the
drop-down list. If no special specification is
required, select the NULL option.
Backup Dial-Out
For future release.
11. Click OK.
The Sub Service dialog box closes and you are returned to the PRI
Settings dialog box (step 9) where you click Next to continue.
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12. In the Span Definition dialog box, define the following parameters:
The default values displayed for the Span’s technical parameters are appropriate
for most ISDN networks, therefore you skip their definition. The Leased Lines
section of this dialog box is enabled only when defining an ISDN Leased Lines
Service. For more details, refer to the MGC Administrator’s Guide, Chapter 3.
13. Click Next to continue.
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Chapter 3 - Initial System Configuration
The Spans and Phones dialog box opens.
To define a dial-in phone
numbers range
To define
a span
To remove a
span
To delete a
currently
defined dial-in
numbers range
To allocate
dial-in numbers
for Gateway
calls
To delete
allocated dial-in
numbers for
Gateway calls
The number used
to identify the
MCU
This dialog box is used to assign circuit identification numbers and the
dial-in phone number ranges to be used in dial-in conferences. Circuit
orders are automatically assigned to spans. If only one service provider is
used, define all the PRI lines here.
The dial-in phone numbers are allocated to the MCU by the service
provider (carrier) and should be obtained from the service provider.
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14. Define the Spans and Phones parameters as follows:
Table 3-4: Spans and Phone Dialog Box Options
Field
Description
Span
Displays the existing definitions of circuit
identification numbers and circuit orders.
Click the plus
button to define the new spans.
Dial In Phone Num Lists the phone numbers available for dialing in, as
allocated to the MCU by the service provider.
Click the plus
range.
button to define a dial-in phone
MCU Number
Type a number to identify the MCU when calling the
participants in dial-out conferences. This number is
part of the dial-in numbers allocated to the MCU by
the service provider, but it cannot be part of the
dial-in phone range.
The MCU Number is also used for dial-in, in
conferences when the Meet Me Per MCU option is
selected as the connection type for participants.
Gateway Range
Displays the dial-in numbers allocated to Gateway
calls. Click the plus
button to allocate dial-in
ranges to the gateway. The Gateway Phone
Numbers dialog box opens.
To define the NFAS parameters, see the MGC Administrator’s Guide,
Chapter 3.
Defining Spans
15. To assign circuit identification numbers and orders:
a. In the Spans pane of the Span and Phone dialog box, click the Plus
button.
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The Add Span dialog box opens.
b. Define the following parameters:
Table 3-5: Add Span Dialog Box Options
Field
Description
Circuit ID
The Circuit Identification is a logical number used to
identify the span to the MGC Manager. This number
is later used to assign the span to the ISDN network
card.
Type any positive integer from 0 to 65535 to be used
as the circuit identification number in the MGC
Manager.
Note:
If other Network Services are already defined, make
sure to use numbers other than those already
assigned to the existing services.
Circuit Order
The Circuit Order determines the order in which an
MCU uses the spans to dial out.
c. Once you have defined all the identification numbers click OK.
The Add Span dialog box closes and you are returned to the Spans
and Phones dialog box.
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To delete a circuit identification entry:
In the Spans pane, click the Circuit Identification entry you want to
•
delete and click the Minus
button.
The entry is deleted.
Defining Dial-In Numbers
The numbers to be used for dial-in connections to multipoint conferences are
allocated to the MCU by your service providers.
16. Specify the range of dial-in numbers by entering the first and last
numbers in the range. You can define several ranges for the same span.
a. In the Dial In Phone Numbers pane of the Spans and Phones dialog
box, click the Plus
button
The Add Phone Num dialog box opens.
b. In the First Phone Number box, enter the first number in the range
of dial-in numbers.
c. In the Last Phone Number box, enter the last number in the range of
dial-in numbers.
d. Click OK.
The dialog box closes. You are returned to the Spans and Phones
dialog box. The number range appears in the Dial-In Phone
Numbers list.
e. Repeat steps a-d for each number range you need to enter.
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To delete a dial-in number entry:
In the Dial In Phone Number pane, click the entry to delete and click the
Minus button.
•
The entry is deleted.
Defining the Gateway Range
Define the dial-in ranges allocated to Gateway Session using the same
procedure as described for the dial-in numbers allocated to multipoint
conferencing.
The range of dial-in numbers allocated to Gateway calls must differ from the
dial-in number ranges allocated to multipoint conferencing.
For a detailed description, see the MGC Administrator’s Guide, Chapter 3.
Completing the ISDN Network Service Definition
17. Once you have finished filling in all the Wizards screens, click the
Finish button in the Spans and Phones dialog box.
The data you have specified will be validated, after which the ISDN Network
Service will be added to the list of ISDN network services of the MCU.
Assigning the ISDN Network Service to the ISDN Network
Interface Module (Net-2/Net-4/Net-8)
In order to connect the MCU to the ISDN network switch, you must assign
the ISDN Network Service to the appropriate span of the Net-2/Net-4/Net-8
Network Interface module. In addition, you must define which span in the
network interface card will be used as the primary clock. Finally, if the MCU
is not configured to work with a single clock source, you must define which
span will be used as the backup clock to synchronize with the network clock.
To set the MCU to work in a single clock mode, the appropriate flag must be
set in the system.cfg file. For details, see the MGC Administrators Guide,
Chapter 5, “Edit “system.cfg.”
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To configure the Net-2/Net-4/Net-8 ISDN Network Interface module:
1. In the Browser pane, right-click the slot containing the
Net-2/4/8 card, and then click Properties.
Alternatively, double-click the slot containing the card.
The Card Settings – Common Parameters dialog box opens.
2. Click the Net-8 Network Parameters tab.
The Card Settings NET-8 Network Parameters dialog box opens.
The Net-2/Net-4/Net-8 Network Interface module supports up to eight
PRI connections, depending on the card model installed in the MCU.
These connections may be either T1 or E1. For the system to recognize
the PRI lines that connect to the Network card, you must assign the
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Circuit ID of the PRI line defined in Network Service to the appropriate
span in the Card Settings - Net-8 Network Parameters. Not all spans may
be currently in use. In such a case, only the spans being used are
configured.
3. To assign a Circuit ID to the appropriate span:
a. In the Span n box (where n is the span number on the Net-2/Net-4/
Net-8 module to which the PRI line is connected), clear the Null
Configuration check box to enable the span.
b. In the Circuit ID box, enter the circuit ID as defined in the ISDN
Network Service-Span and Phones dialog box. According to the
selected Circuit ID, the ISDN Network Service is assigned to the
network card. Each span can be assigned a different Network
Service.
c. Click Apply.
The name of the network service appears in the Service Name box.
4. Click OK.
To configure a Net-2/Net-4/Net-8 span as primary or backup clock:
Any of the configured spans can be set as the “Master Clock,” that
synchronizes the system clock to the network clock, or “backup clock”, that is
used if the master clock fails.
For more information about clocking, see the MGC Administrator’s Guide,
Chapter 5.
1. In the Browser pane, expand the Net-2/Net-4/Net-8 ISDN card to display
its units in the Browser and Status panes. Each unit represents a span in
the ISDN Network card.
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2. Right-click the unit (span) to configure and select one of the clocking
options:
Table 3-6: Net-2/Net-4/Net-8 Unit Clocking Options
Option
Description
Set as Primary
Clock Source
Sets this unit as the primary clock source.
Cancel Primary
Clock Source
Stops this unit from acting as the primary clock
source.
Set As Backup
Clock Source
Sets this unit as the backup clock source.
Cancel Backup
Clock Source
Stops this unit from acting as the backup clock
source.
3. After setting the clock source, a Warning message box opens, instructing
you to reset the MCU.
The configuration changes take effect only after the next MCU reset or
start up and they are shown in the Configured Clock column in the Status
pane.
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IP Network Services
The IP Network Service defines the properties of the IP network used for
connecting IP endpoints to the conference and the IP cards (installed in the
MCU) to which the network is connected. Several of the network components
are used by both H.323 and SIP endpoints to connect to the conference, and
the same IP card is used for H.323 and SIP connections. Therefore one IP
Network Service can be defined for both H.323 and SIP environments as
well. However, you can define the Network Service to be H.323-only to be
used to connect only H.323 endpoints or SIP-only to connect only SIP
endpoints.
To define an IP Network Service:
1. In the Browser pane, expand the MCU tree.
2. Expand the MCU Configuration tree.
3. Expand the Network Services tree.
4. Right-click the Network Services – IP icon, and then click New IP
Service.
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The new Network Service configuration wizard - Setting dialog box
opens.
5. Define the following fields:
Table 3-7: Settings Options
Field
Description
Service Name
Service Type
Specify the service name using up to 20 characters.
IP services use an Ethernet network, which is a LAN
standard. The Service Type cannot be changed.
Protocol
•
•
•
H.323 - For an H.323-only network service.
SIP - For a SIP-only network service.
Both - For an integrated IP service. Both H.323
and SIP participants can connect to the MCU
using this service.
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Table 3-7: Settings Options
Field
Description
Network
DHCP-Obtain IP
Address
Automatically
Select this check box to use a DHCP server for
automatic assignment and tracking of IP addresses
to the conferencing devices. When the DHCP server
is used, the IP address of the card appears as
0.0.0.0.
You may prefer not to select this check box if you
need to:
•
•
Establish a static IP address.
When dialing in directly to the card, using the
card’s IP address.
Subnet Mask
Enter the subnet mask of the MCU’s IP card. If the
DHCP is used, the subnet mask is automatically
retrieved from the DHCP server and cannot be
modified. The detected number appears in the
card’s Properties-Settings-IP Network Parameters
box.
Default Router
Enter the IP address of the default router. If the
DHCP is used, the IP address is automatically
retrieved from the DHCP server and cannot be
modified.
Static Routes
Routes Table
Displays the list of static routes currently defined in
the system. Up to five routes can be defined in
addition to the Default router. The order in which the
routers appear in this list determines the order in
which the system will look for the endpoints on the
various networks, if not found on the local LAN.
To add a router to the Static Routes table, click the
plus (+) button. For more details see “Defining Static
Routes” on page 3-26. To delete a router from the
Static Routes table select the router to remove, and
then click the minus (-) button.
You can define one router with different destinations.
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Table 3-7: Settings Options
Field
Description
Quality Of Service
Quality Of Service
Quality of Service (QoS) is an effort to guarantee in
advance the quality of data transmission over the
network. To change the defaults click the Quality of
Service button. For more information see “Defining
Quality of Service” on page 3-27.
Defining Static Routes
6. To define a static route:
a. Click the plus (+) button.
The Add Route dialog box opens.
b. Define the following fields:
Table 3-8: Add Router Options
Field
Description
Router IP
Enter the IP address of the router in its subnetwork.
Remote IP
Enter the IP address of the packet destination.
If Host is selected in the Type field, enter the IP
address of the endpoint.
If Network is selected in the Type field, enter the
components of the IP address indicating the
segment of the other network.
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Table 3-8: Add Router Options (Continued)
Field
Description
Type
Select the type of router connection:
Network – defines a connection to a router segment
in another network.
Host – defines a direct connection to an endpoint
found on another network.
c. Click OK.
The system returns to the Settings dialog box, displaying the added
static route.
Defining Quality of Service
7. To define Quality of Service parameters:
a. Click the Quality of Service button.
The QoS of Ethernet Service dialog box opens.
b. Define the following fields:
Table 3-9: QoS of Ethernet Service Options
Field
Description
Enable
Select the Enable check box to implement QoS for
IP packets.
When cleared, QoS is not implemented.
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Table 3-9: QoS of Ethernet Service Options (Continued)
Field
Description
DiffServ and
Precedence
DiffServ and Precedence are two methods for
encoding the packet’s priority in the packet header.
If you are not sure which QoS policy your router
supports, select Precedence combined with None
in the TOS field.
•
Select DiffServ when the network router uses
DiffServ for priority encoding).
Note: If you select DiffServ but your router does
not support this standard, IP packets queue on
the same communication links with data packets
greatly increasing the latency and jitter in their
delivery.
•
Select Precedence when the network router
uses Precedence for priority encoding, or when
you are not sure which method is used by the
router.
Audio and Video
You can prioritize audio and video IP packets to
ensure that all participants in the conference hear
and see each other clearly.
Select the desired priority.
The recommended priority for both audio and video
is 4 to ensure that the delay for both packets is the
same and audio and the video packets are
synchronized.
TOS
Type of Service (TOS) defines optimization tagging
for routing the conferences audio and video packets.
•
Delay – The recommended default for video
conferencing.
•
None – No optimization definition is applied.
Select None if you do not know which standard your
router supports.
c. Click OK to apply your settings and return to the Settings dialog
box.
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8. In the Settings dialog box, Click Next.
The DNS Settings dialog box opens.
For H.323 conferencing, DNS can be used for gatekeeper discovery
using the gatekeeper host name. Using NAT Traversal, the DNS is
queried for the NAT server IP address used for allocating the public
(external) IP addresses to the cards for the conferencing session.
For SIP conferencing, domain names are required and therefore it is
recommended to enter the details of the DNS server and the local domain
name. The DNS is also used if SIP Server discovery is applied. The
system decides whether to use the DHCP or the DNS server for
auto-discovery with preference to the DNS server.
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9. Define the following parameters:
Table 3-10: DNS Settings Options
Field
Description
Select:
Use DNS Servers
•
•
Off – DNS servers are not used in the network.
Specify – to manually set the IP address of the
DNS servers.
•
Auto – to automatically detect the DNS IP
address, if the DNS Server is defined in the
DHCP and the DHCP -obtain IP Address
Automatically option was selected in the Settings
tab.
DNS Server Addresses
Primary DNS
If Specify was selected, this field is mandatory. Enter
Server IP Address
the IP address of the primary DNS server.
Secondary/Tertiary If Specify was selected, enter the IP address(es) of
DNS Server IP
Address
the next DNS server in line to resolve domain names
as a fallback for the primary DNS server.
These fields are optional.
DNS Name
Local Domain
Name
Enter the domain name where the MCU is installed.
The name of the domain includes the host part of
URL or URI, for example, polycom.com.
10. Click Next.
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The H.323 dialog box opens.
This dialog box is skipped when defining a SIP-only Network Service.
11. Define the following parameters:
Table 3-11: H.323 Parameters
Field
Description
Forwarding
Select this check box to enable Forwarding.
Forwarding enables the MCU to indicate the IP
address of another card for handling the incoming
call when the first card is busy.
Note: It is not recommended to use Forwarding
when using either Board Hunting or Pseudo
Gatekeeper modes.
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Table 3-11: H.323 Parameters (Continued)
Field
Description
Gatekeeper
Use Gatekeeper
•
Off – select this option if a gatekeeper is not
present in your network. In this case, the MCU
uses the IP addresses for dial out and the
endpoints use the IP addresses of the MCU IP
cards for dial-in.
•
•
Specify – to manually define the IP address of
the preferred and alternate gatekeepers.
Auto – to retrieve the IP address of the preferred
and alternate gatekeepers from the DHCP, if they
are defined in the DHCP and the DHCP option is
enabled.
Preferred
Gatekeeper IP
Address or Name
If you have selected Specify, enter either the
gatekeeper’s host name (if the DNS server is
enabled and the gatekeeper is registered with the
DNS), or IP address.
Alternate
If you have selected Specify, enter the host name or
Gatekeeper IP
Address or Name
IP address of the alternate gatekeeper.
Port
Displays the port number (1719) used for
communication between the MCU and the
gatekeeper.
Service Mode
Select the mode in which the gatekeeper routes calls
from a card without free ports to the card with
available resources. If there is no gatekeeper, calls
that reach an IP card with unavailable resources is
rejected, unless Forwarding is enabled.
•
Basic [Least recommended] – Each IP card in
the MCU registers independently with the
gatekeeper. The H.323 endpoint dials directly to
this card, using the cards alias as registered with
the gatekeeper. The call is routed once to the
MCU card. If the card has resources, the call is
accepted, otherwise the call is rejected.
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Table 3-11: H.323 Parameters (Continued)
Field
Description
•
Service Mode
(cont.)
Board Hunting – In this mode, the MCU is
registered with the gatekeeper using the Network
Service prefix. In addition, all the IP cards that
are defined in the same Network Service register
with the gatekeeper with the same prefix.
When using the Network Service Prefix for
dialing, the IP call that reaches the gatekeeper is
forwarded to first available IP card on the MCU
according to the cards registered with the
gatekeeper for the Network Service whose prefix
was used. In this mode, the dialed string must
begin with the IP Service prefix and can be
followed by the conference Numeric ID. For
example: [H.323 prefix] [Conference/Meeting
Room numeric ID/name].
In a gateway call, the prefix can be followed by a
Gateway Session Profile or by another format
that can be read by the gateway:
[H.323 prefix] [gateway service prefix] [gateway
delimiter] [gateway information]
Notes:
•
This mode is dependent on the gatekeeper’s
implementation as the gatekeeper may not
allow multiple registrations from different IP
addresses.
•
Board Hunting is the default mode. It is not
recommended to use Board Hunting with
Forwarding. If both are selected, Forwarding
overrides Board Hunting settings.
•
Register as a Gateway – Select this mode when
using a Cisco gatekeeper.
In this mode the gatekeeper is defined as a
gateway. A gateway prefix is usually manually
registered with the gatekeeper and the IP cards
use the same prefix to register with the gateway.
With a Cisco gatekeeper that supports this
mode, the MCU is registered as an
H.320-gateway and it requires the dialing string
to start with the prefix as with Board Hunting.
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Table 3-11: H.323 Parameters (Continued)
Field
Description
Note: In current Cisco implementations when
Service mode
(cont.)
there is more than one IP card in use, the
gatekeeper selects one of the boards that are
registered with the dialed string. Thus the system
does not automatically forward the calls to an
available card. To overcome this problem,
combine Register as a Gateway with
Forwarding. However, this method only works for
defined dial-in participants.
•
PseudoGatekeeper – Each IP card acts and is
defined as a gatekeeper allowing Board Hunting
to be performed. In PseudoGatekeeper mode,
the IP cards are manually registered with the
gatekeeper as neighboring gatekeepers. When
the gatekeeper receives an Admission Request
(ARQ) message from a participant looking for the
conference alias, the gatekeeper will forward the
request to all “neighboring gatekeepers” (IP
cards) simultaneously. The first card that has
enough resources to handle the call accepts the
request.
Note: Gatekeepers often send a multicast LRQ
message hoping that there is a gatekeeper that
can help with the translation. Multicast LRQ
messages are not handled by the MCU IP cards
within the Pseudo Gatekeeper mode.
•
PseudoGatekeeper-AVF – Applicable to the
Avaya environment only.
Prefix
Enter the same prefix that was defined for the
MCU’s IP Network Service in the gatekeeper (if it
was defined in advance) or that will be used to
register the MCU in the gatekeeper later. This
number is used as part of the dial-in string given to
participants.
Usually, one Network Service is defined for all IP
cards to let the system automatically manage the
resources allocated to conferences. In this case, the
system finds the free cards from the pool of cards
registered with the IP Network Service.
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Table 3-11: H.323 Parameters (Continued)
Field
Description
Prefix (cont.)
You can define several Network Services on the
MCU with each one of them containing one or
several IP cards. When a firewall is used, two IP
Network Services are usually defined; one for the
card that is connected to the external network and
the other one that includes all the remaining cards
(those connected to the internal network).
Refresh H.323
Registration Every
n Seconds
Enter the frequency in which the system informs the
gatekeeper that it is active by re-sending the IP
address and aliases of the IP cards to the
gatekeeper. If the IP card does not register within the
defined time interval, the gatekeeper will not refer
calls to this IP card until it re-registers. If timeout is
set to 0, re-registration is disabled.
Note: It is recommended to use default settings.
The following table describes the gatekeeper modes that can be
configured with each of the listed gatekeepers.
Table 3-12: Gatekeeper Interoperability
Gatekeeper Modes/
Types
Board
Hunting Gatekeeper
Pseudo
Register as
Gateway
Basic
Radvision MGK-100
Radvision ECS
VCON MXM
+
+
+
-
+
+
+
-
+
+
+
+
+
+
+
+
-
Cisco MCM
PathNavigator
+
+
+
Shading indicates the preferred configuration mode
12. Click Next.
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The SIP dialog box appears.
This dialog box is skipped when defining an H.323-only Network Service.
13. Define the following parameters:
Table 3-13: SIP Options
Field
Description
Servers
Get SIP Servers
Automatically
Select this option to automatically retrieve the IP
address of the SIP servers.
This option is enabled if DHCP is enabled or if DNS
is enabled and the local domain name is defined (as
it is required for locating the SIP proxy). If both are
enabled, DNS resolution precedes DHCP as it
provides the most current information.
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Table 3-13: SIP Options (Continued)
Field
Description
Configure SIP
Servers Manually
Select this option to manually configure the SIP
servers. After selecting this option click the SIP
Servers button to access the manual configuration
window. For detailed information see “To configure
the SIP servers manually:” on page 3-39.
Registrations
Registration Mode
Select the mode in which the proxy will direct the
incoming SIP call to the MCU’s IP card that has
resources to handle the call, based on the mode
supported by the proxy. If all three methods are
supported, select the required working method.
•
Redirect – The conference registers with the
proxy using the IP address of a specific IP card.
The proxy directs the incoming call to the
registered card. If the card has no available
resources, the MCU returns to the proxy the IP
address of the card that does have enough
resources and the proxy redirects the incoming
call to that IP card.
•
•
Forking – Each IP card is registered in the proxy
with all the conferences. The proxy directs the
incoming call to all cards simultaneously. The
MCU ensures that only the card that has enough
resources answers the call.
Polling – Each IP card is registered in the proxy
with all the conferences and each card is
assigned a priority per conference. The proxy
directs the incoming call to one of the registered
cards. If the card does not have enough
resources, the call is rejected and the proxy
redirects the call to the next card according to the
card’s priority. Usually, the load is distributed
between the cards by registering the first
conference with the first card, the second with
the second card, and so on.
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Table 3-13: SIP Options (Continued)
Field
Description
Register OnGoing
Conferences/
Select the conferencing entity to register with the
proxy.
Meeting Rooms/
Entry Queues &
SIP Factories
In SIP conferencing, the Entry Queues, Meeting
Rooms and conferences register with the SIP proxy.
The endpoint calls the conferencing entity directly
and not the card.
Registering all the conferences with the proxy loads
the proxy and the MCU as the registration is
refreshed constantly (every x seconds). Therefore, it
recommended to register only the Entry Queues and
define all the conferences and Meeting Rooms as
Entry Queue Access.
Reservations are not registered.
Refresh SIP
Registrations
Every n Seconds
Enter the frequency in which the system informs the
SIP proxy that it is active by re-sending the details of
all conference types to the server. If the various
conferences and Entry Queues do not register within
the defined time interval, the SIP server will not refer
calls to this conference/Entry Queue until it
re-registers. If timeout is set to 0, re-registration is
disabled.
The default value is 3600 seconds (60 minutes).
The following table lists the supported SIP Proxies and their Registration
modes:
Table 3-14: Supported SIP Proxies and their Registration Modes
SIP Proxy
Registration Mode
Comment
Microsoft LCS
2003/2005
Each IP card must be
configured in the Static
Routes table of the LCS.
•
Redirect
Cisco
•
•
Forking
Redirect
Alcatel
•
•
Redirect
Forking
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Table 3-14: Supported SIP Proxies and their Registration Modes (Continued)
SIP Proxy
Registration Mode
Comment
IPTEL
•
•
Redirect
Forking
Nextone
•
Redirect
14. To configure the SIP servers manually:
a. Click the SIP Servers button.
The SIP Settings dialog box opens.
b. Define the following parameters:
Table 3-15: SIP Settings Options
Field
Description
Transport
SIP Transport
Type
Select the protocol that is used for signaling between
the MCU and the SIP proxy or the endpoints
according to the protocol supported by the SIP
proxy: UDP or TCP.
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Table 3-15: SIP Settings Options (Continued)
Field
Description
SIP Servers
Preferred SIP
Server
Select:
•
Off – No SIP server is used. Dial-out option is
available only when conference participants are
defined by their IP addresses.
•
Specify – to manually define the SIP server.
IP Address or
Name
If you have selected Specify, enter either the IP
address of the preferred SIP server or its host name
(if a DNS server is used).
Port
Enter the number of the TCP or UDP port used for
listening. The port number has to match the port
number configured in the SIP server. The default
port is 5060.
Domain Name or
IP
Conferences and Entry Queues can register to the
proxy using the format user@host. For example,
When dialing to a conference or Entry Queue, the
SIP server expects to receive the host either as
domain name or as an IP address.
Alternate SIP
Server
Off – No SIP server will be used in case of failure of
the preferred SIP server.
Specify – Select this option to manually define the
SIP server that will be used as backup.
IP Address or
Name
If you have selected Specify, enter either the IP
address or its domain name (if a DNS server is
used) of the Alternate SIP server.
Port
Enter the number of the TCP or UDP port used for
listening, as for the Preferred SIP Server.
Domain Name or
IP
Same as for the Preferred SIP Server.
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Table 3-15: SIP Settings Options (Continued)
Field
Description
Outbound Proxy
Outbound Proxy is
different than SIP
Server
Select this check box if the outbound proxy is
installed on a different computer than the one the
SIP server is installed on.
IP Address or
Name
If you have selected Outbound Proxy is different
than SIP Server, enter either the IP address of the
outbound proxy or its host name (if a DNS server is
used).
Port
Enter the port number the outbound proxy is
listening to. The default port is 5060.
c. Click OK.
The SIP dialog box reappears.
15. Click Next.
The Security dialog box opens.
The Security dialog box lists the authenticated entities registered with the
preferred proxy. The Authentication is done in the SIP server and can be
skipped.
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With Microsoft LCS 2003, each Entry Queue and conference must be
registered individually and marked as Trusted in the LCS.
With Microsoft LCS 2005, you can register the IP card and mark it as Trusted,
hence all the conferences and Entry Queues are automatically registered as
Trusted in the LCS.
16. Click Next.
The Span dialog box opens.
This dialog box is used to define the cards to which the network, whose
properties are defined in the Network Service, is connected.
A span defines the card’s parameters and network settings.
To delete an existing span, select it and click the minus (-) button.
17. To add a span:
a. Click the plus (+) button.
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The IP SPAN dialog box opens.
This dialog box is used to define the IP card to which the IP network
is connected and that should be used with this Network Service.
b. Define the following fields:
Table 3-16: IP SPAN Options
Field
Description
Circuit ID
The Circuit ID is the connection between the span
and the card; it identifies the specific span and IP
when assigning the Network Service to the IP card.
Enter any whole number between 0 to 65535 as the
circuit identification.
When defining several spans (different cards) each
should be assigned a unique Circuit ID number.
The Circuit ID is used later to assign this Network
Service to the IP card (see “Assigning Network
Services to the IP/IP+ Cards” on page 3-50).
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Table 3-16: IP SPAN Options (Continued)
Field
Description
IP Address
The IP address of the IP card installed in the MCU.
If the DHCP option is selected for this Network
Service, this field is disabled, and shows the address
0.0.0.0, as the IP address will be retrieved from the
DHCP.
Communication
Mode
Indicates the data transmission rate and duplex
mode. When set to Auto the system synchronizes
the data transmission rate according to the network.
You can also force the router to connect to the IP
card installed in the MCU
Full Duplex refers to the transmission of data in two
directions simultaneously.
Half Duplex refers to the transfer of data in only one
direction at a time.
Host Name
The name of the computer on the domain network,
and that will be added to the local domain name to
identify the card by its host name, for example: IP1.
If the local domain name is polycom.com, the card
name will be IP1.polycom.com. A default host name
is suggested by the system.
Fixed Ports & NAT
Click this button to configure the firewall ports and
NAT traversal. For details on this option, see “Fixed
Ports & NAT Options” on page 3-46.
H.323
Alias
The alias by which the IP card is identified within the
network. An alias must be entered when working
with a gatekeeper. Up to five aliases can be defined
for each IP card.
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Table 3-16: IP SPAN Options (Continued)
Field
Description
Type
The type defines the format in which the card alias is
sent to the gatekeeper. Each alias can be of a
different type:
•
•
•
•
•
•
H.323 ID (alphanumeric ID)
E.164 (digits 0-9, * #)
URL ID (URL style address)
Transport ID (IP address: port number)
Email ID (email address format)
Party Number (identical to the E.164 format)
Note: Although all types are supported, the type of
alias to be used depends on your gatekeeper’s
capabilities.
c. Click the Fixed Ports & NAT button to configure the NAT for each
span—as each mapped IP should be known to the firewall—and the
fixed signaling and media ports. Selecting Fixed Ports allows you to
define the ports that are allocated in the firewall to multimedia
(audio, video and data) conference calls.
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d. (Optional) Define the following fields.
Table 3-17: Fixed Ports & NAT Options
Field
Description
Enable Fixed Ports
Enable Fixed Ports Select this check box to enable the configuration of
firewall ports used for signaling, control and media. If
you are defining a service for local calls that do not
require configuring the firewall to accept calls from
external entities, leave this check box clear.
Number of calls
Enter the Number of Calls based on the predicted
number of simultaneous incoming calls that require
fixed port allocation and are handled by the network
and MCU, up to the maximum that can be handled
by the IP card (dependent on card type).
If you exceed the maximum number of calls
configured for the card an error message appears
listing the call range that can be entered.
Port Range
Definitions
The following general instructions apply to the
Signaling, Control, Audio, Video, data and FECC
fields.
Define the port ranges for each of the channels;
enter the first port for each channel and the system
automatically fills in the end of the assigned port
range. The IANA recommended port range is 49152
to 65535.
The network administrator configures the server and
allocates firewall ports based the number of ports
required for each media channel (13 in total) and the
volume of incoming traffic via the firewall (the
number of simultaneous calls).
For example: If each call is allocated 13 ports
(Signaling - 1, Control - 1, Audio - 2, Video - 4, and
Data - 5, for a total of 13 ports), and 6 simultaneous
calls are to be handled by the network, the total
number of ports that is required is 78 (6 x 13). If the
first allocated port is 1025, then the last port will be
2003 (1025 + 78 = 2003).
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Table 3-17: Fixed Ports & NAT Options (Continued)
Field
Description
Port Range
Definitions
(cont.)
In this example port number 1037 has not been
allocated, as the starting range for audio and video
port allocation has to be an even number. If an odd
number is entered an error message appears to
remind you of this requirement.
Note: You can allocate the same port number to
different channels provided the numbers are in two
different protocols; one is in TCP and the other is in
UDP. For example you can allocate port numbers
2000-2009 to the Signaling channel in TCP and
ports 2000 -2002 to the Audio channel in UDP.
Signaling [TCP]
Control [TCP]
Define the ports used for transferring call setup
messages. After you enter the first port in the range,
the system automatically fills in the last port in the
range according to the total number of calls.
Define the ports used for control messages (setup,
maintenance, and teardown of sessions). After you
enter the first port in the range, the system
automatically fills in the last port in the range.
Audio [UDP],
Video [UDP]
Define the ports used for audio and video channels.
After you enter the first port in the range, the system
automatically fills in the last port in the range.
Data [TCP]
Define the ports used for transferring data packets:
file transfer, whiteboard, and application sharing.
The recommended port range is 49152 to 65535.
After you enter the first port in the range, the system
automatically fills in the last port in the range
according to the total number of calls.
FECC [UDP]
Define the ports used for FECC. After you enter the
first port in the range, the system automatically fills
in the last port in the range.
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Table 3-17: Fixed Ports & NAT Options (Continued)
Field
Description
Selecting one of the following options defines the
card behavior when all allocated ports in the firewall
are exhausted when the initial number of predicted
calls is exceeded.
When fixed ports
are exhausted
•
Allocation ports dynamically - to allocate any
of the available ports in the firewall to calls that
exceed the number of predicted simultaneous
calls. These ports may not be secured.
•
Reject - to reject any request to open additional
ports and the call will be rejected.
NAT Traversal
Use Span External
Address
Define the method in which the public IP address is
mapped to the IP card’s internal address:
Off – No external IP address will be used. Select this
option for local calls.
Specify – Select this option to manually define the
IP card’s public IP address.
Auto – The IP card’s public IP address is
automatically retrieved from the HTML Answer of the
external server.
http://videovideo.polycom.austin.com.
The automatically retrieved IP address appears in
the IP Card Settings-IP-Network Parameters tab.
External IP
address
If you selected Specify, enter the IP card’s public IP
address.
Notes: For a complete port configuration you define both the fixed ports
(signaling, media, etc.) and the relevant reserved ports. Make sure that the
following IANA registered ports have been opened as part of your firewall’s
definitions:
•
•
•
•
Port # 1720 – H.323 standard signaling port
Port # 1719 – H.323 gatekeeper port
Port # 1503 – T.120 port for incoming connections
Port # 5060 –SIP standard signaling port
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18. Click OK to return to the Span dialog box.
The new span is added to the Spans table.
19. In the Spans dialog box, click Finish to complete the IP Network
Service definition.
The new network service is added to the IP Network Services list.
The following icons are used to indicate the Network Service types:
Table 3-18: Network Service Icons
Icon
Description
The Network Service supports both SIP and H.323
connections.
The Network Service supports only H.323
connections.
The Network Service supports only SIP connections.
The Network Service supports only ISDN
connections.
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By default, the first IP Network Service you define is set as the system
default. When defining additional IP Network Services this default can
be changed. For more details, see the MGC Administrator’s Guide,
Chapter 3.
Assigning Network Services to the IP/IP+ Cards
For each IP card installed in the MCU, you need to define which Network
Service is used, thereby defining the network properties connected to that
card. Usually, one Network Service is used for all IP cards, enabling the MCU
to automatically manage the conferencing resources.
The association between the network properties and the IP cards is done in
two stages. In the first stage, while defining the IP Network Service, you add
all the IP cards that can use this Network Service. In the second stage, you
define for each IP card which Network Service it uses to manage
conferencing calls.
To assign IP service settings to the IP card:
1. In the Browser area, expand the MCU tree.
2. Expand the MCU Configuration tree.
3. Expand the Cards tree.
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4. Double-click the IP card.
Alternatively, right-click the IP card icon, and then click Properties.
The Card Settings-Common Parameters dialog box opens.
The Common Parameters tab is for viewing purposes only.
5. Click the IP-Network Parameters tab.
6. In the IP-Network Parameters tab clear the Null Configuration check
box to enable assignment of the IP Network Service.
7. In the Circuit ID box enter the circuit ID that was defined for this card in
the IP Network Service—Spans dialog box. For additional information
on circuit IDs see “IP SPAN Options” on page 3-43.
8. Click Apply.
The name of the IP Network Service is displayed in the Service Name
field.
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4
About Conferences
Different conference types are available according to their initiation modes:
reservationless conferences and scheduled conferences.
On-Demand (Reservation-less) Conferencing
Reservation-less conferencing enables participants to immediately start and
connect to an On Going Conference from their endpoint, with no advanced
scheduling. The MGC Manager offers two methods for Reservation-less
conferencing:
•
•
Ad Hoc Conferencing
Meeting Rooms
Ad Hoc Conferencing
In Ad Hoc conferencing, participants connect to an Ad Hoc-enabled Entry
Queue. An Entry Queue is a special routing lobby to which one or several
dial-in numbers are assigned. The participants are prompted for the
destination conference Numeric ID. If no conference with a matching
Numeric ID is running, but the participant is authorized to create a
conference, the system creates a new On Going Conference. The new
conference is created according to the conference parameters defined in a
Profile assigned to the Entry Queue. All other participants connect directly
to the newly created conference. With this method, only the conference
Profile is created once and is used repeatedly to create numerous
conferences.
This conferencing method is often used to globally enable all employees in
an organization to start On Going Conferences from their endpoints, without
having to define the conference parameters for each employee and for each
conference.
When authentication with external database application is configured for the
Entry Queue and for the conference, the MCU verifies with the external
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database application whether a conference with a specific Numeric ID may be
started. This is the method used with Windows Messenger and Office
Communicator to initiate multipoint Video or Audio conferences.
For more information about Ad Hoc conferencing, see the MGC Manager
User’s Guide, Volume II, Chapter 3.
Meeting Rooms
Meeting Rooms are conferences created once, with no starting date or time,
no reserved resources and it can be activated as many times as required. The
Meeting Room remains in passive mode until the first participant connects to
it and activates the conference. To start the conference you simply let the
participants know the start date and time, dial-in number and the Numeric ID
of the conference. No prior booking is required. The conference returns to
passive mode once the conference ends and remains in the MCU memory
until the next activation. In this mode, a Meeting Room is usually defined for
each of the employees in your organization. This may require tedious work
when your organization includes many employees, and it also loads the MCU
memory with all the saved Meeting Rooms.
Scheduled Conferences
You can define a conference to start at a certain date and time or to start
immediately. Scheduled conferences run once and are then deleted from the
MCU memory. For scheduled conferences, the MCU reserves resources for
the conference participants, provided the participant endpoints are defined
during the conference definition. You can define conferences without
defining their participants and let participants connect to the conference as
long as there are resources available.
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Chapter 4 - About Conferences
Video Conference Attributes
There are four general types of video conferences:
•
Video Switching - A conference in which all participants use the same
video and audio formats. Whenever a participant starts to speak, the
participant appears on all endpoints in full screen display as the
conference is a voice activated video switching conference.
•
Transcoding (requires Video card) - A conference in which participants
use different video, audio and data formats, while maintaining the
highest video and audio capability each participant can achieve with his
or her codec. Like video switching, the current speaker is displayed on
all endpoints in full screen.
•
Continuous Presence (requires Video card) - A conference in which
several participants can be viewed simultaneously. In this type of
conference, the highest video, audio and data quality for each participant
depends on the participants endpoint capabilities.
In a traditional Continuous Presence conference, each participant uses a
different video port on the Video card. This method enables such features
as full Transcoding per participant, Personal Layouts (individualized
Continuous Presence layouts per participant) and maintenance of overall
video and audio quality for the conference—even when participants with
lower capabilities connect. However, this method limits the number of
Continuous Presence participants to the number of ports on the Video
card, which is six.
•
Conference On Port (requires Video card) - A conferencing method
suitable for large Continuous Presence conferences or when several
Continuous Presence conferences are running on the MCU.
In Conference On Port, all conference participants use a single video
port. This method allows for more than six participants to join a
Continuous Presence conference and allows for up to six Continuous
Presence conferences to be run on the MCU.
In a Conference on Port conference, a video layout can be selected for
the conference, but all the participants, including the speaker, view the
same layout and the same participants. The Personal layout selection is
not available in Conference on Port and the video quality is determined
by the highest common video parameters and by the video line rate.
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Entry Queue
An Entry Queue is a special routing lobby that is used for routing participants
to their target conference. One or several dial-in numbers are assigned to the
Entry Queue, and they are used by callers to all conferences. Once callers are
connected to the Entry Queue, they are routed and connected to the target
conferences if they provide the appropriate conference IDs and passwords
(optional). Both Video and Audio Only conferences can be accessed from an
Entry Queue. For information about defining an Entry Queue, see Chapter 6,
“Defining a New Audio Only Entry Queue” on page 6-1 or see Chapter 7,
“Defining a New Video Entry Queue” on page 7-1.
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5
Basic Operations
This chapter describes how to start, monitor and manage On Going
Conferences.
Reservation Templates
A Reservation template includes the conference parameters, such as the
conference media (audio, video), video session, line rate, video protocol and
other video parameters, IVR Service and more. The reservation can include
the conference participant parameters.
Default Reservation Templates
There are five default Reservation templates installed with the MGC
Manager:
•
•
•
•
•
Video-Switch: Video Switching at 384 Kbps
SW CP: Software Continuous Presence (IP) at 384 Kbps
Default-Audio: Audio Only with default IVR Service
Default_Video: Continuous Presence Conference at 384 Kbps
Default_COP: Conference On Port at 384 Kbps
In order to run a Default_Video or Default_COP conference, the Video+ card
and MCU Version 5.6 or later must be installed in your system.
Using the default Reservation templates, you can schedule a conference to
start immediately (On Going Conference), or to start automatically at a
predefined date and time (Reservation).
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Starting a Conference
You can start an On Going Conference from one of the default Reservation
templates provided with the system or you can define a new On Going
Conference. For more details about defining new conferences, see MGC
Manager User’s Guide, Chapter 4, “Defining a new Audio Only Conference”
or MGC Manager User’s Guide, Chapter 4, “Defining a New Video
Conference”.
To start an On Going Conference from a default Reservation template:
1. Connect to an MCU. For more details,see “Connecting to an MCU” on
page 3-11.
2. The Default folder in the Reservations Database window opens
automatically when you open the MGC Manager. Otherwise, access this
window by clicking Reservations in AccordDB from the Window
menu.
The Reservations Database window opens.
If the Reservations in Database window did not appear automatically and is not
included in the Window menu options, reopen this window using the login
procedure described in MGC Manager User’s Guide, Volume I, Chapter 3 “MGC
Manager Basics”.
You can move the Reservations in Database window by dragging the
blue title bar. You can also resize the window by clicking an edge and
dragging it.
3. In the Reservations in Database window, expand the Default folder to
display the list of default Reservation templates.
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4. Right-click the icon of the Reservations in Database template and click
Start Immediately. If more than one MCU is connected, select the name
of the MCU to run the conference from the pop-up list.
If the MGC Manager application is connected to several MCUs, select the MCU
name as well as the reservation template.
The conference begins and appears in the list of On Going Conferences.
If no participants were defined in the Reservation template, the
conference starts but contains no participants.
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Viewing the Conference Dial-in Properties
The dial-in numbers and passwords needed to enter a conference, including IP
Network Prefixes and Numeric IDs appear in the MGC Manager Status pane.
To view the list of On Going Conferences and their dial-in numbers:
•
Expand the MCU tree, and then click the On Going Conferences icon.
The list of On Going Conferences with their Numeric IDs and dial-in
numbers are displayed in the Status pane.
In some configurations, the ISDN/PSTN number is truncated by the PBX, and
you must add the appropriate prefix to the dial-in number that is displayed in
the Status pane.
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Chapter 5 - Basic Operations
Connecting to a Conference/Entry Queue
Defined dial-in participants can connect to any conference by dialing the
conference dialing string (ISDN, H.323 or SIP). The MCU identifies their
CLI or IP address (as defined in the participant properties) and routes them to
the appropriate conference. Dial-out participants must be defined in the
conference.
Undefined participants can connect directly to conferences defined as Meet
Me per Conference or Meeting Room by dialing its dial-in string. If required,
the participants enter the conference password before joining the conference.
Undefined participants can also connect to a single-dial Entry Queue to
access conferences. The dialing methods are the same as for the conference.
Once participants connect to the Entry Queue, they are routed to their
conference according to the conference numeric ID or password that they
enter.
In the default templates, just the Audio Only template is defined with Entry
Queue Access. To create a new video conference with Entry Queue Access,
see Chapter 7, “Creating an On Going Video Conference” on page 7-6.
Dialing-in to a Conference/Entry Queue
Undefined dial-in participants can access the conference using the following
methods:
ISDN/PSTN Participants
Audio Only and ISDN Video participants dial the conference/Entry Queue
ISDN dial-in number, as assigned to the conference by the operator or
automatically by the MCU. The dial-in number can be viewed in the MGC
Manager Status pane.
H.323 Participants
When a gatekeeper is present, H.323 participants dial: the [IP Network
Service Prefix] and [conference/Entry Queue Numeric ID or name] for
example, if the Network Service prefix is 925 and the Conference Numeric
ID is 1222, participants will dial 9251222. If participants dial only the
Network Service Prefix, or if the wrong numeric ID is dialed, participants will
be automatically routed to the default Entry Queue if one is defined. For more
information about the IP Network Service Prefix, see Chapter 3.
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For example, if the IP Network Service prefix is 27, the conference Numeric
ID is 1478 and the conference name is ‘MARKETING’, the participant can
dial 271478 or 27MARKETING. IF the Entry Queue name is EQ1 and its
numeric ID is 3000, the participant can dial 273000 or 27EQ1 to access the
MR. IF only 27 is dialed, participants are be routed to the default Entry Queue
(if one is defined).
When no gatekeeper is present, H.323 participants dial the IP address of the
MCU’s IP card, followed by ## and the conference/Entry Queue Numeric ID.
For example, if the IP card address is 172.22.190.162, participants will enter
172.22.190.162##1478 to access the conference, or 172.22.190.162##3000 to
access the Entry Queue.
If no Entry Queue /conference numeric ID or if the wrong numeric ID is
entered, participants are be routed to the default Entry Queue (if one is
defined). If no default entry queue is defined in the system, the call is
disconnected.
SIP participants
When a new conference reservation or Entry Queue is defined the conference
or Entry Queue registers with the SIP proxy.
SIP participants dial the conference/Entry Queue URI using the format:
Conference or Entry Queue name@domain name.
For example, [email protected], or [email protected].
Usually for SIP conferencing, an Ad Hoc Entry Queue is used. In this
scenario, the first participant dials the Entry Queue and creates a new
conference, while the other conference participants dial directly to the
conference using the conference name or Numeric ID.
When dialing from a Microsoft Windows Messenger endpoint that does not
have DTMF capabilities, the first participant (who creates the new conference
in Ad Hoc Conferencing) enters the Entry Queue name followed by the target
conference name and the numeric ID in the format:
EQ Name (Target Conference Name)(Target Conference Numeric ID).
For example, EQ1(sales)(12345). In this example, the Entry Queue name is
EQ1, and a new On Going Conference by the name sales with the Numeric
ID 12345 will be created on the MCU.
You do not need to add the domain name to the conference name, as it is
automatically added by Microsoft Windows Messenger when the request is sent
to the SIP server.
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Chapter 5 - Basic Operations
Monitoring On Going Conferences
You can monitor conferences and perform various operations while
conferences are running.
Monitoring involves viewing the status of On Going Conferences and the
status of their participants.
Three levels of monitoring are available with the MGC Manager:
•
General Monitoring - You can monitor the general status of all the On
Going Conferences and their participants in the MGC Manager main
window.
•
•
Conference Level Monitoring - You can view additional information
regarding the conference using the Conference - Properties option.
Participant Level Monitoring - You can view detailed information on the
participant's status using the Participant - Properties option.
When an operator is available to attend participants, you can view the
status of participants in the Participants Queue window. For more
information about the Participants Queue, see the MGC Manager User’s
Guide, Volume I, Chapter 8.
Operations can be performed at the conference level or at the participant
level. For example, you can terminate a conference before its scheduled
ending or you can extend its duration. You can also disconnect an individual
participant while the conference is in progress, or temporarily mute
transmission to and from a site so that the other participants can hold a private
discussion. You can also connect dial-out participants during the conference
and add a new participant while the conference is in session.
General Monitoring
Monitoring a conference enables you to keep track of its participants and its
progress. When monitoring a conference, you can check whether all its
participants are correctly connected and whether errors and faults have
occurred.
The MGC Manager allows you to monitor several On Going Conferences
simultaneously. The On Going Conference information is easily available and
clearly represented.
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Monitoring a Conference
When you click a conference icon, the conference appears in the Status pane.
However, to get more details regarding the conference and participants
statuses or to monitor several conferences simultaneously, it is advised to
monitor the conferences in the Monitor pane.
Automatic Monitoring of conferences is available. For details, see the MGC
Manager User’s Guide, Volume I, Chapter 5.
You can display the list of On Going Conferences in the Status pane so you
can view their dial-in numbers and Numeric IDs while monitoring the
conferences with their participants in the Monitor pane.
Displaying the conference and participants statuses in the Monitor pane:
1. Expand the MCU tree.
2. Expand the On Going Conferences tree.
3. In the On Going Conferences list, right-click the conference to monitor,
and then click Monitor to view all the conference participants in the
Monitor pane.
Alternatively, on the conference right-click menu, click Monitor Filter
to view only participants of the selected filtering status.
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The Participant Monitoring Filter dialog box opens.
4. Select the appropriate check boxes that indicate the statuses to monitor.
The following statuses may be selected:
Table 5-1: Participant Statuses to be Monitored
Filtering Option
Description
Faulty participant
Participants who have problems connecting to the
conference.
Participants
Requesting
Assistance
Participants who have requested the operator’s
assistance and have yet to be assisted by the
operator.
Asked question
Participants who wanted to ask questions, were
added to the Question-and-Answer Queue and are
now waiting for their turn to ask a question.
Noisy Line
Participants who the MCU detected as having noisy
lines.
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The conference and participant details appear in the Monitor pane.
The Status and Monitor panes take the form of a table. Each row
represents a conference or a participant. Each column represents a
parameter that is being monitored. The Conference Name, Status,
Phone#, Connection Type, Retries Left, Channel# and Bonding fields
also appear in the Status pane.
You can modify the order of columns in the Monitor and Status panes by moving
the column heading(s) to the desired location in the table header.
The data in the Monitor and Status tables can be sorted according to a selected
column. Clicking on a column heading sorts the table data in descending order.
Clicking on the same column heading a second time sorts the data in ascending
order.
Additional information about monitoring participants and conferences is
described in the MGC Manager User’s Guide, Volume I, Chapter 5.
Listing Participants in the Browser and Status Panes
You can view the list of participants currently connected to the conference in
the Browser, Status and Monitor panes.
To view the list of participants in the Browser pane:
1. Expand the On Going Conferences or Reservations tree.
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2. Expand the On Going Conference or Reservation to list its participants.
The participants are listed below the conference or Reservation.
Different icons are used to indicate the participant roles and their
connection status. For details, see the MGC Manager User’s Guide,
Volume I, Chapter 5.
To list the participants in the Status pane:
1. Expand the On Going Conferences or Reservations tree.
2. Double-click the icon of the On Going Conference or Reservation whose
participants you want to list.
The participants are listed in the Status pane.
To list the participants in the Status pane:
1. Expand the On Going Conferences or Reservations tree to display the list
of On Going Conferences or Reservations.
2. Double-click the icon of the On Going Conference or Reservation whose
participants you want to list.
The participants are listed in the Status pane.
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Participant Level Monitoring
In addition to the data that appears in the Status and the Monitor panes, you
can view detailed information about the connection parameters and status of
each of the conference participants. This is especially useful if there is a
problem during the connection of the participant to the conference.
To check the properties of a participant:
•
In the Status pane, the Browser pane or the Monitor pane, double-click
the participant icon. Alternatively, right-click the participant icon, and
then click Properties.
The Participant’s Properties dialog box opens, displaying the following
tabs: Identification, Advanced, Connection Info1, Connection Info2,
Resource Details, Disconnection Cause, H221 (ISDN)/H245 (IP) and
Video Sources. These tabs contain information that is relevant only to the
participant’s status while the conference is running and are mainly used
for monitoring when there are connection problems.
The Participant Properties can be displayed for all connected participants
or disconnected defined participants. Undefined dial-in participants who
disconnect from the conference are removed from the Participants list
and cannot be monitored.
For a description of these tabs, refer to the MGC Manager User’s Guide,
Volume I, Chapter 5.
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Chapter 5 - Basic Operations
Operations Performed During On Going
Conferences
The following operations can be performed during On Going Conferences:
•
•
•
•
•
•
•
Adding a new participant to a conference
Connecting/Disconnecting participants
Muting/Unmuting participants
Locking/Unlocking the conference
Changing the conference duration
Terminating the conference manually
Changing the Video Layout in a Continuous Presence conference
Additional operations performed during On Going Conferences are described
in the MGC Manager User’s Guide, Volume I, Chapter 6.
Adding a Participant to a Conference
Defining Dial-out Participants
You can manually add dial-out participants to the conference.
The participant properties change according to the participant type and
network connection.
The following procedure assumes that the default participant parameters will be
used. Therefore, only the parameters that you must define are described here.
For a detailed description of the all participant parameters, refer to the MGC
Manager User’s Guide, Volume I, Chapter 4.
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To add a new participant to a Conference:
1. List the On Going Conferences.
2. Right-click the icon of the conference to which to add a participant, and
then click New Participant. Alternatively, click the conference icon, and
then click the New Participant button on the Conference Toolbar.
The Properties - Identification dialog box opens.
H.323 (VoIP) Participant
ISDN/Telephone Participant
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SIP Participant
The Identification parameters change according to the selected Interface Type.
3. In the Name box, enter the participant’s name.
4. For video participants using H.221 aggregation, enter the phone numbers
separated by semicolons.
For example, for a 2B participant: 9251921;9251922. If using Bonding
(both numbers are the same), enter the number once. Example: 9251921.
5. In the Connection Type box, select Dial-out if the MCU/operator calls
the participant.
6. In the Interface Type box, select the Network Protocol used to connect
the participant to the conference: ISDN, H.323 or SIP.
7. Define the participant properties as follows:
a. If you are defining an ISDN participant:
In the Participant Phone Numbers box, enter the participant’s
number.
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b. If you are defining an H.323 participant:
In the Participant IP box, enter the IP address of the participant’s
endpoint.
Alternatively, in the Alias Name field, enter the Alias of the
endpoint as registered with the gatekeeper and then select the Alias
Type. Only H323 ID (digits and letters) and E.164 (only digits) are
supported. Use this option if a gatekeeper is defined in the H.323
Network Service.
c. If you are defining a SIP participant:
In the SIP Address box, enter the endpoint address in the format:
[user name]@[domain].
Note that the SIP URI adheres to URI rules: no spaces or special
characters such as commas, quotation marks, inverted tags and so
forth in either the name or the domain part.
8. In the User Defined fields, enter general information about the
participant, if required.
9. If you are defining an Audio Only participant, click the Audio Only
check box. If you are adding a participant to an Audio Only conference,
this option is automatically selected and cannot be cleared.
10. The system is set to automatically save the participant to the local data
base. Clear this check box to cancel the save operation.
11. Click OK to add the participant to the conference.
If you add a participant who has the same name, phone number or IP address of
another participant in a concurrent conference, the Participants Scheduling
Conflicts window opens. For details, see the MGC Manager User’s Guide,
Volume I, Chapter 4.
To add a pre-defined participant to a conference:
1. Expand the MCU icon to display its options.
2. Double-click the On Going Conferences icon, right-click the name of the
desired conference, and then click Properties.
The Conference Properties dialog box opens.
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3. Click the Participants tab to add participants to the conference.
The Properties - Participants dialog box opens.
Select this check
box to designate an
operator- controlled
dial-out conference
connection.
4. In the Pre-Defined Participants list, select the participants to add and
then click the >> button.
5. Alternatively, you can define a new participant by clicking the New
button.
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Making Dial-Out Connections
When the Dial-Out Manually option is selected for the conference, the
operator connects the dial-out participants to the conference. Also when a
participant is disconnected from the conference, you can reconnect the
participant to the conference.
To manually establish a Dial-out connection:
•
In the Monitor pane, Status pane or Browser pane, right-click the
participant icon, and then click Connect Participant.
Alternatively, click the Participant icon, and then click the Connect
button on the Participant Toolbar.
You can connect several participants in one operation using the standard
Windows conventions for multiple selection.
During the connection attempt, the participant status changes to
Connecting in the Connection column and then changes to Connected
once the participant’s connection is established.
The MCU can be configured to automatically reconnect participants who were
accidentally disconnected from the conference. For more details, see the MGC
Administrator’s Guide, chapter 5.
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Chapter 5 - Basic Operations
Disconnecting Participants
When a participant does not need to continue in a conference, you can
disconnecting or delete the participant.
When you disconnect a participant, the resources assigned to the participant
remain allocated and the participant’s parameters remain in the system
memory. This allows you to reconnect the participant if necessary.
Deleting a participant completely removes the participant’s definition from
the conference and releases the resources allocated to the participant.
Therefore, to reconnect a participant who was deleted from the conference,
you have to re-define the parameters as if he/she were a new participant.
To disconnect a participant:
•
In the Monitor pane, Status pane or Browser pane, right-click the
participant icon, and then click Disconnect Participant.
Alternatively, click the Participant icon, and then click the Disconnect
button on the Participant Toolbar.
The participant is disconnected from the conference. The connection
icon changes to disconnected and the indication Disconnected appears in
the Connection column.
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To delete a participant:
1. In the Monitor pane, Status pane or Browser pane, right-click the
participant icon, and then click Delete.
Alternatively, click the Participant icon, and then click the Delete button
on the Participant Toolbar.
A confirmation dialog box appears.
2. Click YES to confirm, or NO to cancel the operation.
Muting a Participant
Occasionally, a conference organizer may want to silence the audio and video
channel of a particular participant from part of an On Going Conference.
The MGC Manager enables you to mute a participant's audio and/or video
signals. A participant whose audio or video signal is muted hears and sees the
other participants. However, the other participants cannot hear or see the
muted participant.
Alternatively, participants' audio and video signals can be muted from their
own codecs, through the endpoint’s application.
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To mute a participant using MGC Manager:
•
In the Monitor or the Status pane, right-click the participant icon, and
then click Mute Audio to mute the audio signal, or click Mute Video to
mute the video signal.
Alternatively, click the Participant icon and then click the Mute Audio
button or Mute Video button on the Participant Toolbar.
The menu changes to UnMute Audio, or UnMute Video (respectively).
The appropriate Audio
or Video
icon appears in the Audio or
Video columns of the Monitor and Status panes.
For information about additional muting options, refer to the MGC
Manager User’s Guide, Volume I, Chapter 6.
Locking and Unlocking a Conference
You can lock or unlock On Going Conferences and thus control access of
undefined dial-in participants to these conferences. The Lock/Unlock option
is dynamic and can be applied any time before or during the conference. This
feature is used to:
•
Limit the number of undefined dial-in participants connecting to the
conference in order to save resources.
•
Prevent other participants from connecting to the conference once all the
required participants have already been connected.
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To Lock or Unlock a conference:
•
Right-click the conference icon, and then click Lock Conference or
Unlock Conference.
Alternatively, click the Conference icon, and then click the Lock button
or Unlock button on the Conference Toolbar.
Changing the Conference Duration
It is often necessary to extend the duration of a conference or terminate a
conference before its scheduled completion time. The conference can be
extended either manually or automatically or terminated. To automatically
extend or terminate a conference, refer to the MGC Manager User’s Guide,
Volume I, Chapter 6.
You can change the conference duration even after the conference has started.
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To change the duration of an On Going Conference:
1. In the Browser, Monitor or Status panes, right-click the conference icon,
and then click Properties.
The Conference Properties dialog box opens.
2. Click the Scheduler tab.
3. Modify the conference Ending Time.
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4. Click OK.
The Conference Properties dialog box closes. The conference’s duration
is changed.
Terminating a Conference Manually
You can manually end the conference before its scheduled end time. Usually,
you will use this option when all the participants disconnected from the
conference, or if the meeting organizer has requested it.
To terminate a conference manually:
1. In the Browser, Monitor or Status panes, right-click the On Going
Conference, and then click Terminate.
Alternatively, click the Conference icon, and then click the Terminate
button on the Conference Toolbar.
A confirmation dialog box opens.
2. Click Yes.
The conference ends. The conference icon is removed from the On
Going Conferences list.
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Chapter 5 - Basic Operations
Changing the Layout in a Continuous Presence Conference
You can select a particular Video Layout (that is a specific arrangement of
video windows on the screens) or Auto Layout during On Going Continuous
Presence conferences.
1. In the Browser pane, expand the On Going Conference list.
2. Right-click the On Going Conference icon, and then click Properties.
The Conference Properties dialog box opens.
3. Click the Video Sources tab.
The Conference Properties - Video Sources dialog box opens.
4. To enable Auto Layout, select the Auto Layout check box. The system
automatically and dynamically applies layouts with the appropriate
number of display windows, according to the number of connected video
participants.
5. To select a particular video layout, clear the Auto Layout check box if it
is selected.
5a. Determine the number of windows to appear on the screen, and click the
arrow next to the numbered Video Layout icon that displays the available
video layouts for the selected number of windows.
5b. Click the desired Video Layout.
6. Click the Apply button to save these changes and modify additional
properties or click OK to confirm and exit the Properties dialog box.
7. For information about Auto Layout, Personal Layout, Presentation
Mode, Lecture Mode and Visual Effects, see the MGC Manager User’s
Guide, Volume I, Chapter 6.
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6
Defining a New Audio Conference
The following entities can be defined for Audio Only conferencing:
•
•
•
Define an Audio Only Entry Queue
Define an On Going Audio Only Conference
Define an Audio Only Meeting Room
Defining a New Audio Only Entry Queue
An Audio Only Entry Queue is used to rout Audio Only participants to
Audio Only conferences, and it is usually defined in Audio Only MCUs.
Video Entry Queues can be used by Audio Only participants in a unified
conferencing environment. To define a Video Entry Queue, see “Defining a
New Video Entry Queue” on page 7-1.
To define a new Audio Only Entry Queue:
1. Expand the MCU icon to display its options.
2. Right-click the Meeting Rooms, Entry queues & SIP Factories icon,
and then click New Entry Queue.
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The Entry Queue Properties dialog box opens.
3. In the Name box, specify a name for the Entry Queue using up to 20
characters.
4. In the Numeric ID box, enter a unique per MCU number (default length
is four digits), or leave this field empty to let the NCU assign one when
the Entry Queue definition is completed.
5. In the Entry Queue Service box, select the Entry Queue Service that will
be used to play voice messages that will guide participants through their
connection process. Leave this field blank to use the default Entry Queue
Service if one is defined.
6. Select the Audio Only check box.
7. To allow VTX 1000 users to connect to the Entry Queue, select the
VTX 1000 check box.
8. Select the IP Only check box to define an IP-Only conference. This
enables the Audio Algorithm selection for the target conference.
9. If you selected the IP Only option, you can select the Entry Queue to be
Encrypted, and you can select the audio algorithm to use by VoIP
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Chapter 6 - Defining a New Audio Conference
participants to connect to the target conference. For Ad Hoc Entry Queue
definition, see the MGC User’s Guide, Volume II, Chapter 3.
10. Add a dial-in number to the Entry Queue by clicking the plus [+] button.
Dial-in numbers are relevant to ISDN and T1-CAS participants only.
11. Up to 16 dial-in phone numbers may be assigned to the Entry Queue.
—
If no dial-in number is assigned to the Entry Queue, the system
assigns a dial-in number from the dial-in numbers ranges defined in
the ISDN Network Service. The number is assigned only when the
Entry Queue definition is saved by clicking the OK button
—
H.323 and SIP participants dial the Entry Queue directly as
described in see Chapter 5, “Connecting to a Conference/Entry
Queue” on page 5-5.
12. Enter the name of the ISDN/T1-CAS Network Service exactly as it is
defined in the Network Services list (the system is case sensitive).
13. Enter the first dial-in number to be assigned to the Entry Queue. This
number must be part of the dial-in numbers range defined for the selected
ISDN/T1-CAS Network Service. For more details regarding the dial-in
numbers range, see the MGC Administrator’s Guide, Chapter 3.
14. If required, enter the second dial-in number to be assigned to the Entry
Queue.
15. Click OK.
The dial-in number is added to the table in the Entry Queue Properties.
16. In the Entry Queue Properties dialog box, click OK to complete the
Entry Queue definition.
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The New Entry Queue is added to the Meeting Rooms, Entry Queues &
SIP Factories list.
To set the Audio Only Entry Queue as the default Entry Queue, see
Chapter 7, “Creating an On Going Video Conference” on page 7-6.
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Chapter 6 - Defining a New Audio Conference
Defining an On Going Audio Conference
The following procedure describes the main parameters required to define an
Audio conference without Encryption. For a detailed description of all
parameters, see the MGC Manager User’s Guide VoicePlus Edition,
Chapter 2.
To define a new On Going Audio Conference:
1. Expand the MCU tree.
2. Right-click the On Going Conferences icon, and then click New
Conference.
The Conference Properties - General dialog box opens.
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The MCU can be set to Audio Look & Feel mode in which all video related
parameters are hidden in all dialog boxes and menus. This is intended for Audio
bridges. The Audio Look & Feel mode is set in the Options menu. For more
details, refer to the MGC Administrator's Guide, Chapter 5.
3. If Audio Look & Feel is not set for the MCU, in the Media box, select
Audio to define an Audio Only conference and hide the video properties.
If Audio Look & Feel is set for the system, the conference is
automatically set to Audio and all the video parameters are hidden.
4. In the Name box, enter the conference name.
5. Change the Conference Duration if required.
6. In the Conf. Entry Password box, enter the conference password (digits
only).
The default minimum number of digits for the conference password is 4, but the
number of digits can be set in the system.cfg file. For additional information refer
to the MGC Administrators Guide, Chapter 5.
7. In the Web/Chairperson Password box, enter the Chairperson password
(if required).
8. In the Numeric ID box, enter the desired conference Numeric ID.
9. In the User Defined Fields boxes, enter the requested information (if
required). The User Defined fields are displayed only if the Show User
Defined Fields in Conference Parameters option is selected in the
Database Manager.
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Chapter 6 - Defining a New Audio Conference
10. Click the Settings tab.
The Properties - Settings dialog box opens.
Parameters in the Conference Properties - Settings dialog box are
grouped in two main panes: General Settings and Media Settings. By
default, only the Basic settings in these panes are displayed when you
first open the dialog box. You can click the Advanced (>>) button to
view and modify the additional settings. In most conference definitions
you do not need to modify the Advanced parameters because the MGC
Manager uses default values, or uses the optimal parameters based on the
endpoint's capabilities.
11. Select the Enable IVR Service check box to assign an IVR Service to
the conference. The IVR Service includes a set of voice messages and
prompts that assist participants to connect to the conference.
12. In the Msg Service Name box, select an IVR service or leave blank to use
the default IVR service. The MGC-50/100 is shipped with a
pre-configured IVR service.
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13. If you want to set up advanced parameters, click the Advanced button on
either pane. For more information, see the MGC Manager User's Guide
VoicePlus Edition, Chapter 2.
14. Click the Participants tab to add predefined participants to the
conference. For more information, see Chapter 5, “Adding a Participant
to a Conference” on page 5-13.
If you are defining a dial-in conference with only undefined participants, this step
may be skipped.
15. To complete the conference definition procedure, click OK from any of
the Conference Properties tabs. The Properties dialog box closes.
The new conference is added to the On Going Conferences list in the Browser
pane. The conference starts immediately.
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Chapter 6 - Defining a New Audio Conference
Defining a New Audio Only Meeting Room
A Meeting Room is a conference reservation without allocated resources
whose default duration is set to 2 hours. A Meeting Room is created once, and
can be activated as many times as required.
To define a New Meeting Room:
1. Expand the MCU tree.
2. Right-click the Meeting Rooms, Entry Queues & SIP Factories icon, and
then click New Meeting Room.
The Conference Properties dialog box opens.
3. Define the parameters in the General and Settings tabs as described in
steps 3-15 in “Defining an On Going Audio Conference” on page 6-5.
4. Click the Participants tab.
The Conference Properties - Participants tab is displayed.
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5. Usually Meeting Rooms include undefined participants. However, it is
possible to add defined participants from the Pre-Defined Participants
list, by selecting the participants and then clicking the >> button.
Alternatively, you can define a new participant by clicking the New
button.
6. In the Min Participants box, define the total number of participants for
which the system reserves resources. This number should include the
number of defined participants as well as undefined participants. If you
enter 0, no resources will be reserved for the conference. However,
participants will be able to connect to the conference if there are
available resources.
7. In the Max Participants box, enter the total number of participants who
can connect to the conference at one time, including both the defined and
undefined participants. This option saves resources for other
conferences. When set to Auto, the maximum number of participants is
determined by the maximum number of participants in a conference
supported by the MCU, or by the availability of the MCU resources.
8. Click the Meet Me Per Conf tab.
The Properties - Meet Me Per Conf dialog box opens.
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Chapter 6 - Defining a New Audio Conference
9. Select the Limited Sequences check box, to limit the number of times
that the Meeting Room can be activated. If this check box is cleared, the
Meeting Room can be activated an unlimited number of times.
10. In the Number of Occurrences field, determine the number of times the
Meeting Room can be activated: 1 means that the conference can be
activated once, and then it will be deleted from the system. 2 or more
means that the conference can be activated that number of times, and the
conference remains in sleep mode in between recurrences.
11. In the Meet Me ISDN Service pane, click the Plus (+) button to define
dial-in numbers for this conference. If you do not define a dial-in
number, the system will assign a dial-in number from the range of dial-in
numbers defined in the Network Service.
12. The H.323 Network Service prefix is automatically assigned to the
conference after the Meeting Room is saved on the MCU. It is then
displayed in the first row of the Meet Me H.323 Service table. To add
prefixes for H.323 participants to dial using other H.323 Network
Services, click the Plus (+) button.
13. Click OK.
The Meeting Room is added to the Meeting Rooms, Entry Queues and
SIP Factories list.
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7
Defining a New Video Conference
The following entities can be defined for Video conferencing:
•
•
•
Define a Video Entry Queue
Start an On Going Video Conference
Set up a Video Meeting Room
Defining a New Video Entry Queue
You can create several Entry Queues, each with a different set of parameters,
to match the parameters of target conferences. If an Entry Queue is set to
Video Switching, the destination conference audio, video and line rate
settings must be identical to the Entry Queue settings, or the participants will
not be able to move to the target conferences.
In Entry Queues defined as Transcoding or Continuous Presence, the line
rate and video setting are the maximum set for participants’ connections.
However, participants can connect at a lower rate using their endpoint
capabilities. The line rate and the video parameters used for connections to
the Entry Queue are maintained when moving to the target conference.
If you have not already done so, define the Entry Queue Service in the IVR
Services before defining the Entry Queue. For more details, see the MGC
Manager User's Guide, Volume II, Chapter 2.
Entry Queues can be encrypted. For more details, see the MGC Manager
User's Guide, Volume II, Chapter 1.
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To define a new Video Entry Queue:
1. Expand the MCU tree, right-click the Meeting Rooms, Entry Queues and
SIP Factories icon and then click New Entry Queue.
The Entry Queue Properties dialog box opens.
2. In the Name box assign a name to the Entry Queue using up to 20
characters.
3. To manually assign the Numeric ID, enter the required value in the
Numeric ID box. To automatically assign the Numeric ID, complete the
Entry Queue definition and save it to the MGC. The MCU automatically
assigns the Numeric ID provided the MCU is configured to support
automatic assignment of Numeric IDs.
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Chapter 7 - Defining a New Video Conference
4. In the Entry Queue Service box select a predefined Entry Queue Services
that will be used to play voice messages and prompts to participants
waiting in the Entry Queue. Leave this field blank to use a default Entry
Queue Service, if one is defined.
5. In the Target Conferences area:
a. Select the IP Only check box to create an IP Only Entry Queue,
whose target conferences are IP Only conferences and will enable
the connection of IP participants only.
b. To create an encrypted Entry Queue, select the Encryption check
box. For details about Encryption and encrypted Entry Queues, see
the MGC Manager User's Guide, Volume II, Chapter 1.
c. Select Video Switching, Transcoding or Continuous Presence as
the session type. For more information, see Chapter 4, “Video
Conference Attributes” on page 4-3.
•
•
An IP Only Entry Queue set to Continuous Presence mode can only be
defined as Classic and not as Software or Quad Views.
6. Select the Line Rate in which participants can connect to the conference.
In Continuous Presence conferences, participants can connect using a
lower line rate. If this Entry Queue will be used to access Conferences
On Port, define the Line Rate as described in step 17 of “Creating an On
Going Video Conference” on page 7-6.
7. Leave all the video and audio parameters set to Auto to let the system
select the appropriate settings. For a detailed description, see MGC
Manager User’s Guide, Volume II, Chapter 2.
8. Define the dial-in numbers for the Entry Queue. For more details, see
Chapter 6.
9. Click OK.
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The new Entry Queue is added to the Meeting Rooms, Entry Queues &
SIP Factories list.
Setting an Entry Queue as Default
A default Entry Queue can be defined for the MCU, regardless of the dialed
IP card. The new default Entry Queue can be either a video Entry Queue or an
Audio Only Entry Queue. Participants are automatically routed to the default
Entry Queue when dialing one of the following strings:
•
•
Network Service Prefix##Numeric ID when the numeric ID is incorrect
Network Service Prefix##Numeric ID##Password when the numeric ID
is incorrect
•
•
•
Network Service Prefix only
IP address of IP card##Numeric ID when the numeric ID is incorrect
IP address of IP card##Numeric ID##Password when the numeric ID is
incorrect
•
IP address of the IP card only
To set an Entry Queue as default:
•
In the Meeting Rooms and Entry Queues list, right-click the Entry Queue
and select Set as Default.
The default Entry Queue is identified by a bold name.
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Chapter 7 - Defining a New Video Conference
Creating a Target Conference from an Entry
Queue
You can create a new On Going conference or Reservation with the same
parameters as the Entry Queue. This is especially useful for Video Switching
conferences, since their parameters must be the same as those of the Entry
Queue. The Entry Queue Access and Meet Me Per Conference options are
automatically selected for this conference.
To create a target conference from an Entry Queue:
1. Right-click the Entry Queues icon, and then click Create Reservation
from Entry Queue.
The Conference Properties - General dialog box opens. The parameters
in the General and Settings tabs are automatically set to be compatible
with this Entry Queue.
2. If required, modify parameters, making sure not to change the line rate or
video settings. If these settings change, the Entry Queue and conference
will not be compatible.
3. Click the Scheduler tab to define the conference start date and time. The
current date and time are shown in the Scheduler dialog box. Do not
change them if you want to start an On Going Conference.
4. Define the conference start date and time.
5. Click OK.
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Creating an On Going Video Conference
The following procedure describes the main parameters required to set up a
Video Conference. For a detailed description of all parameters, see the MGC
Manager User’s Guide, Volume I, Chapter 4.
To create an On Going Conference:
1. Expand the MCU tree, right-click the On Going Conferences icon and
then click New Conference.
The Conference Properties - General dialog box opens.
2. In the Name box, enter the conference name.
3. In the Numeric ID box, enter the desired conference Numeric ID.
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Chapter 7 - Defining a New Video Conference
4. In the User Defined Fields boxes, enter the requested information (if
required).
5. Change the Conference’s Duration if required.
6. In the Supported Network box, select the appropriate network types that
will be used to connect participants to the conference. Select IP to allow
only IP participants to the conference.
7. In the Video Session area, select Video Switching, Transcoding or
Continuous Presence. For more information about these types of
conferences, see “Video Conference Types” on page 4-3.
8. When selecting Continuous Presence, you can select Classic or Quad
Views for the different layout options. If IP only is selected, the Software
option is enabled in the Video Session - Continuous Presence box.
—
—
—
Continuous Presence - Classic offers 20 different video layouts,
suitable for conferences of up to ten participants.
Continuous Presence - Quad Views offers 8 different video layouts,
including layouts that are suitable for very large conferences.
Continuous Presence - Software allows Continuous Presence
conferences to be set up with two types of Video Layout formats:
2x1 and 2x2.
9. To have participants access the conference through an Entry Queue,
select the Entry Queue Access check box. If selected, the participant
must dial the Entry Queue dial-in number and enter the correct
conference Numeric ID in order to be transferred to this conference.
10. To allow undefined participants (who were not defined prior to the
conference start) to connect directly to the conference without going
through an Entry Queue, select the Meet Me Per Conference check box.
You can define the conference to be both Entry Queue Access and Meet Me Per
Conference. In these conferences, a participant can connect to the conference
directly, by means of the Meet Me Per Conference dial-in number, or through the
Entry Queue, by means of the conference Numeric ID.
11. Optional. If an IVR service in which the conference password prompt
enabled is assigned to the conference, enter the conference password
(digits only) in the Conf. Entry Password box.
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12. Optional. In the Web/Chairperson Password box, enter the chairperson
password (if this option is enabled in the IVR Service assigned to the
conference).
13. Click the Settings tab.
The Properties - Settings dialog box opens.
The parameters described here are the Basic parameters. The Advanced
parameters are usually not changed from their default values. For more
information about these Advanced parameters, see the MGC Manager
User’s Guide, Volume I, Chapter 4.
14. Select the Restricted option if all ISDN participants use restricted lines
whose line rate for each channel is 56 Kbps instead of 64 Kbps.
15. In the Line Rate field, specify the transfer rate in Kbps:
In a Video Switching conference, you must select the highest transfer rate
common to all participants.
In a Transcoding or Continuous Presence conference, select the desired
maximum Line Rate for the conference. The system will attempt to
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Chapter 7 - Defining a New Video Conference
connect participants to the conference at this line rate or lower, according
to their individual capabilities.
In a Conference On Port (COP), select the estimated highest transfer rate
common to all participants. In this mode, all conference participants
must use the same video parameters.
In order to maintain a minimum video quality for a Conference On Port,
there is a minimum threshold line rate that participants must support in
order to connect with video. The minimum line rates necessary to
connect to a Conference On Port are displayed in Figure 7-1. Participants
attempting to connect at rates below the minimum conference line rate
threshold are connected as Secondary (Audio Only).
Table 7-1: Conference On Port Line Rate Minimum Thresholds
DefinedConference Minimum Participant Line Rate Necessary for
Line Rate (in Kbps)
Video Connection (in Kbps)
128
Participants will connect with video if video
session can be established.
256
384
512
768
1920
128
128
256
384
768
16. In the Msg Service Type field, select IVR or None for a conference
without voice messages. An IVR service allows participants to interact
with the MCU by using DTMF codes and provides functionalities such
as Conference Entry password, Conference Chairperson identification,
Roll Call, Invite and Click&View. For more information about IVR, see
the MGC Manager User's Guide, Volume II, Chapter 2.
17. If you have selected IVR, in the Msg Service Name list, select the name
of the predefined IVR Service for the conference. If left blank, the
default IVR Service is automatically selected if one is defined.
18. If required, select the Conference On Port option if available if
Continuous Presence was selected in the Video Session area of the
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Conference Properties - General tab. For more information about COP,
see “Video Conference Types” on page 4-3.
19. To force all participants to use encryption, select the Encryption check
box. For details about Encryption and encrypted conferences, see the
MGC Manager User's Guide, Volume II, Chapter 1.
20. The Dual Stream mode and the Audio Algorithm are advanced features.
For more information about these options, see the MGC Manager User’s
Guide, Volume II, Chapter 1, “Dual Stream Modes” and the MGC
Manager User’s Guide, Volume I, Chapter 4 “Video Conference
Parameters”.
21. Optional. Click the Participants tab to add predefined participants to the
conference. For more information on adding participants to a conference,
see “To add a pre-defined participant to a conference:” on page 5-16.
22. If you selected Continuous Presence in the Video Session area of the
General tab, click the Video Sources tab.
The Conference Properties - Video Sources tab opens.
23. Select the appropriate Video Layout for the conference. The available
layouts displayed are determined by the type of Continuous Presence
mode selected on the General tab. For more information about setting
Video Layouts, see the MGC Manager User's Guide, Volume I, Chapter
6, “Setting Video Layouts”.
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Alternatively, select the Auto Layout check box to have the system
automatically and dynamically apply layouts with the appropriate
number of display windows according to the number of connected video
participants.
24. In a Continuous Presence conference, you can add visual effects, such as
borders and colors, to the video layouts display on the endpoints. For
more details, see the MGC Manager User’s Guide, Volume I, Chapter 4.
•
The Click&View application available on participants’ endpoints allows
participants to modify their Personal Layouts, and the chairperson to modify
the conference layout, in a Continuous Presence conference. For details
about Click&View, see the MGC Manager User’s Guide, Volume I, Chapter
11.
•
You must assign an IVR service to the conference to enable Click&View.
25. Use the default values for the remaining parameters. These parameters
are detailed in the MGC Manager User’s Guide, Volume I, Chapter 4.
26. Click OK.
The conference starts.
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Defining a New Video Meeting Room
A Meeting Room is a conference reservation without resource allocation,
whose default duration is set to 2 hours.
To define a New Video Meeting Room:
1. Expand the MCU tree.
2. Right-click the Meeting Rooms, Entry Queues & SIP Factories icon, and
then click New Meeting Room.
The Conference Properties dialog box opens.
3. Define the parameters in the General, Settings, Participants and Video
Sources tabs as described in steps 2-26 in “Creating an On Going Video
Conference” on page 7-6.
The Video Meeting Room is added to the Meeting Rooms, Entry Queues
& SIP Factories list.
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8
Management Tools
Various management tools are available to the MGC-50/100. For details on
other management tools, see the MGC Administrator’s Guide.
Resource Report
The Resource Report displays the number of ports that can be allocated to
participants and the number of ports that are currently assigned to On Going
Conferences, soon-to-begin reservations and Meeting Rooms.
To view the MCU resources:
•
Right-click the MCU icon, and then click Resource Report.
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The Resource Report dialog box opens.
The Resource Report window contains the following columns:
Table 8-1: Resource Report Columns
Column Title
Description
Subject
Type of MCU resource. Includes the Network Resources
that are used by participants to connect to the system,
and Media Resources that are used by the system to run
different types of conferences.
Total
Total number of resources of the same type installed on
the system.
Bad
The number of disabled or faulty resources of each type.
Active
The number of ports currently used to run conferences for
each resource type.
Non Reserved
The number of ports that are not reserved to be used
within the next 5 minutes for each resource type.
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Table 8-1: Resource Report Columns
Column Title
Description
Reserved
For each resource type, the number of active ports plus
the number of ports for conferences that have reserved
resources but disconnected participants, and reserved
conferences to be run in the next 5 minutes.
Resources Report - Network Resources
The Network Resources describes the bandwidth and port availability for
participants connecting over various types of networks. This information
includes network resources only. In order for participants to connect to a
conference, they may also require Audio+, Video+, Data or MUX+ resources,
depending on the type of participant and the type of conference.
In the example shown here, the MCU contains one Network Interface module
connected to a E1 span, totaling 30 channels (1 x 30 channels).
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Resource Report - Network Resources Details
•
•
ISDN Services - ISDN Network Services. This section describes the
available bandwidth, in B channels, for each type of ISDN connection.
Only the installed types of connections are displayed:
—
—
E1 - Number of channels on E1 ISDN interfaces
T1 - Number of channels on T1 ISDN interfaces
H.323 (IP) Services - IP resources per participant type. This section
describes the available ports for each possible type of IP (H.323 and SIP)
participant. The available number of ports in any particular row
represents the total bandwidth and resources available for all types of
participants, so if one type of participant were to use some resources,
the available resources for all other types of participants (rows) would be
less. The Resources Report displays the total number of IP ports
available according to the Conference Type, Line Rate, and Encryption
in the format:
Media_Line Rate_Conference Type. Media may include Voice, Video or
Encrypted Video ports. For example: VOICE_ONLY, designating Audio
Only participant resources; VIDEO-128-SOFT_CP, designating video
participants using a line rate of 128 Kbps in a Software Continuous
Presence conference.
All IP participant types are listed in this manner, listing the available
resources for IP participants in Standard Video and Audio Conferences,
Software Continuous Presence, Encrypted Participants, Encrypted
Participants in Software CP and Encrypted Participants in People Plus
Content.
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Resources Report - Media Resources
Media Resources used by participants from different types of networks are
displayed in the lower section of the Resources Report window. To view the
Media Resources details, use the scroll bar on the right side of the window.
Use the scroll
bar to view the
Media
Resources
Area
Media Resources Area Parameters Description
Each row item appearing in the Media Resources Area is described below.
•
Data - Total number of T.120 resources for data conferencing.
—
T.120 Ports - Total number of ports available for participants using
T.120. These resources are used by ISDN and MPI participants and
can be used across multiple T.120 cards.
•
•
Audio+15 - The Audio+15 card can support 48 or 96 ports, depending
on the audio algorithm used by the endpoint. Audio Only participants
using Audio+ cards do not require MUX+ card resources and each
Audio+ card is not limited in the number of conferences that it can run.
Video+8 - The Video+8 card contains 8 video processors and performs
video processing for participants in Continuous Presence and
Transcoding conferences. Conferences defined as Continuous Presence
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-Quad Mode must run on the Video+8 card. Participants from multiple
Video+8 cards can take part in a single conference.
—
Video Processors - Total number of video processors from all
Video+8 cards installed in the MCU. Each video processor can run a
single Continuous Presence or Transcoding participant.
•
MUX+ - Displayed is the total number of MUX+ ports available
according to the card type, line rate and encryption. A conference can be
run on multiple MUX+ cards. Encrypted participants always require
MUX+ resources and use more resources than a regular participant.
IP Video participants do not require the MUX+ card, as all IP cards have
built-in MUX+ functionality.
Port-Unit Allocation Area
The Port-Unit Allocation Method box determines how all the resources
are allocated. The selection of the mode can be done only when no
conference is running.
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The following modes are available:
—
Circular - The system allocates the next available sequential unit in
the order in which it is numbered on the card according to the unit
numbers. For example, if the last used unit is 2, the next time a
conference is run, the system will allocate units starting with unit 3
(provided that unit 3 is free). This mode should be used when you
suspect that there may be faulty units, allowing the system to
allocate other units for the conferences while the faulty units are
replaced, or reset. However, this mode should not be used when
debugging the system, as the problems will be inconsistent if the
problematic units are not used constantly.
—
Terminal - The system always starts the unit allocation from the first
free unit on the first card. This mode may be problematic when there
is one faulty unit (especially if it is the first or second) that prevents
the system from running conferences. However, this should be the
selected mode when debugging the system.
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Listing the Installed Cards
You can check which functional modules are installed in a particular MCU by
listing them.
To list an MCU’s functional modules:
1. In the Browser pane, expand the MCU tree.
2. Expand the MCU Configuration tree.
3. Expand the Cards tree.
All the MCU slots are listed (16 slots for the MGC+100, 8 slots for the
MGC+50). Empty slots are indicated by a grey card icon. Occupied slots
are indicated by a green card icon. The name of the card occupying the
slot appears next to the slot number.
occupied slot
empty slot
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When the Cards icon in the Browser pane is double-clicked, the Status
pane displays the status of the card.
Occupied slots appear in green while empty slots appear in grey. The slot
number appears next to the slot icon. Table 4-2 describes the Status pane
columns.
Table 8-2: MCU's Cards Status Columns
Field
Description
Slot
Displays the slot icon and number; a grey icon
indicates an empty slot and a green icon indicates
an occupied slot.
Type
Displays the type of card that occupies the slot. The
following card types are available, as listed in Table
4-1:
•
Network (Net-2, Net-4, Net-8, MPI-4, MPI-8),
IP+12, IP+24, IP+48
•
•
•
•
MUX+
Data
Audio+
Video+
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Table 8-2: MCU's Cards Status Columns
Field
Description
Clock
This column is valid only for ISDN and Serial (MPI-8)
Network Interface cards.
On the Net-2/Net-4/Net-8 Network Interface Module,
the Master and the Backup clocks can be set on any
of the spans connected to the module.
This column indicates which Network card/span is
used as the Master Clock and which one is used as
the Backup clock.
Configured Clock
Indicates which ISDN Network card or MPI Span
was configured as the Primary network interface (for
clocking), and which one is used as backup.
Changes take effect and are updated during the next
MCU reset or power up.
Status
Indicates the card status; Normal or Faulty.
Occupied Units
Indicates the units on the card that are currently
used to run conferences. For example, 1, 6 indicates
that two units, unit # 1 and unit # 6 are used to run
conferences.
Faulty Units
Disabled Units
Num Units
Indicates if there are units on the card which are
faulty and the sequential number of the faulty unit.
Indicates the units that were disabled by the
operator.
Indicates the total number of units available for each
module.
For more information about viewing card parameters, see MGC Manager
Administrator’s Guide, Chapter 4.
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The Faults window opens.
The following columns appear in the Faults report:
Table 8-3: Faults Columns
Field
Description
Time
Lists the date and time that the fault occurred.
This column also includes the icon indicating the
fault Level. The Levels and their icons are detailed in
the Level field.
Category
Lists the type of fault. The following categories may
be listed:
•
File - the fault is caused when a problem is
detected in one of the files stored on the MCU's
hard disk.
•
Reservation - indicates that conferences that
were reserved in the system when the system
was shut down were not recovered when the
system restarted.
•
•
Card - indicates problems with a card.
Exception - indicates errors reported by the
computer (PC).
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Table 8-3: Faults Columns
Field
Description
Category (cont.)
•
•
General - indicates general faults.
Assert - indicates internal software errors that
are reported by the software program.
•
Startup - indicates errors that occurred during
system startup.
Level
Indicates the severity of the problem. The following
fault indicators are available:
•
Major Error
•
•
Minor Error
MCU Startup indicator
•
System Message
The icon of the fault Level appears in the Time
column.
Code
Indicates the code of the problem, according to the
fault category. A list of codes per category can be
found in Appendix A of the MGC Administrator’s
Guide.
Description
When applicable, displays a more detailed
explanation of the cause of the problem.
2. You may save the Faults report to a text file. To do so, click the Save to
file button.
The Save As dialog box opens.
3. Select a destination folder and enter the file name, and then click Save.
You are returned to the Faults window.
4. To exit the Faults window without saving the data to file, click the
Cancel button.
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Reset MCU
The Reset MCU function is used to reset the MCU when there are substantial
changes to the MCU hardware, or when there are problems with the MCU. If
a reset is performed while running On Going Conferences, at the end of the
MCU Startup, these conferences are automatically restored with all the
participants in “Standby” state, and will be reconnected to the conference.
When the MCU is started, only the list of near future reservations is loaded to
the MCU memory, while the information of all other reservations are kept on
the MCU’s hard disks, resulting in faster loading time.
To reset the MCU:
•
Right-click the MCU icon, and then click Reset MCU.
When the MCU is restarts, the MCU icon changes accordingly.
Obtaining Additional Information
Information about Polycom products, technologies, and network solutions is
available from the company Web site, at the following URL:
http://www.polycom.com/home/resource_center/
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