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Wave 7 | December 2012 | eDOC2501B
Polycom® RealPresence® SVC-Based
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Conferencing Solutions Deployment Guide
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Table of Contents
Table of Contents
Deployment Guide .................................................................................................................1-1
Intended Audience ......................................................................................................... 1-2
SVC Conferencing Solution Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Overview of SVC ............................................................................................................ 2-1
Using the SVC-Based Conferencing Solution .................................................................... 2-2
Video Layouts in the Mixed Conference Mode ......................................................... 2-5
System Architecture for Enterprise Deployment .............................................................. 3-1
User Plane ........................................................................................................................ 3-2
Access Plane .................................................................................................................... 3-2
Media Plane ..................................................................................................................... 3-3
Call Control Plane .......................................................................................................... 3-3
Management and Provisioning Plane ......................................................................... 3-4
RealPresence Access Director ....................................................................................... 3-4
RealPresence Collaboration Server (RMX) ................................................................. 3-5
RealPresence Resource Manager ..................................................................................3-5
Interoperability ....................................................................................................................... 3-6
SVC Support for Endpoints .......................................................................................... 3-8
Deploying the RealPresence Virtualization Manager (DMA) in the Enterprise
Environment .................................................................................................................... 3-9
Environment .................................................................................................................... 3-9
Conferences ............................................................................................................................. 4-1
Collaboration Server 800s .................................................................................................... 4-16
Polycom, Inc
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Polycom® RealPresence® SVC-Based Conferencing Solutions Deployment Guide
Using the Polycom RealPresence Desktop and the Polycom RealPresence Mobile
Making a Conference Call .....................................................................................................5-1
Multipoint Conferences .................................................................................................5-3
Solution Specifications ..........................................................................................................A-1
ii
Polycom, Inc
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1
Overview
About the Polycom® RealPresence® SVC-Based
Conferencing Solutions Deployment Guide
This guide describes the Polycom® RealPresence® SVC-based conferencing solution. This
guide provides an overview of SVC-based conferences and the steps required to configure
and use the SVC conferencing solution to add real-time, on-demand multipoint video SVC
conferencing to your environment.
Scope of This Document
This document provides you with the solution overview and how to configure the Polycom
components for SVC-based conferencing solution to embed it into your environment.
This chapter, “Overview” includes the description of the following topics:
•
•
•
Chapter 2, “Solution Overview,” describes the Polycom SVC conferencing solution and
includes the following topics:
•
•
•
Chapter 3, “SVC System Architecture”, describes the SVC solution system design and the
Polycom components that are deployed for SVC-based conferencing. This chapter includes
the following topics:
•
•
•
•
Chapter 4, “Configuration”, details the configuration procedures for the Polycom
components using the SVC-based conferencing solution. This chapter includes the following
topics:
•
•
•
•
1-1
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Chapter 1-Overview
Chapter 5, “Making an SVC-Based Conference Call” discusses the processes and user
experience of making an SVC-base conference call. This chapter discusses the following
topics:
•
•
Appendix A, “Solution Specifications”, lists the specifications that are used in the SVC-
based conferencing solution and includes the following topics:
•
•
•
Intended Audience
This document is intended for use by system architects, system engineers, developers,
testers, and others who want to use the Polycom SVC-based conferencing solution to
provide best-in-class video conferencing using SVC-enabled endpoints.
Deploying the Polycom RealPresence SVC-based conferencing solution requires:
•
•
•
Basic understanding of how applications are developed in your environment
Elementary knowledge of video conferencing and video conferencing administration.
Functional understanding of both HTTP and XML
Acronym Definitions
The following table lists the acronyms that are used throughout the deployment guide.
Table 1-1 Acronym list
Acronym/Term
Description
API
Application Programming Interface
Advanced Video Coding
AVC
CP
Continuous Presence
DTMF
Dual Tone Multi Frequency
EP
Endpoint
EQ
Entry Queue
FECC
ISDN
LDAP
MR/VMR
PiP
Far-End Camera Control
Integrated Services Digital Network
Lightweight Directory Access Protocol
Meeting Room or Virtual Meeting Room
Picture in Picture layout
Polycom
PLCM
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Polycom® RealPresence® SVC-Based Conferencing Solutions Deployment Guide
Table 1-1 Acronym list (Continued)
Acronym/Term
Description
PSTN
RPAD
SAC
SBC
SDK
SIP
Public Switched Telephone Network
RealPresence Access Director
Polycom Scalable Audio Coding
Session Border Controller
Software Development Kit
Session Initiation Protocol
Scalable Video Coding
SVC
VoIP
VSW
Voice over Internet Protocol
Video Switching conference
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Chapter 1-Overview
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2
SVC Conferencing Solution
Overview
This chapter describes the Polycom RealPresence SVC Conferencing solution, a general
description of SVC, and using the SVC conferencing solution.
This chapter includes the following topics:
SVC Conferencing Overview
This section provides a general description of the SVC protocol and video conferencing
using the SVC protocol.
Overview of SVC
The Scalable Video Coding (SVC), an extension of the H.264/MPEG4-AVC video protocol,
is a powerful video compression protocol that enables the standardization of encoding high-
quality video streams to provide scalable adaptation to various application requirements
such as display and processing capabilities of video devices, and varying transmission
conditions.
SVC provides network-friendly scalability at a bit-stream level with a moderate increase in
decoder complexity relative to the single layer H.264/AVC protocol.
SVC enables high flexibility for implementation and optimization in various application
scenarios. It provides a wide-range of display and processing capabilities of target devices
and varying transmission conditions for video conferencing to serve the various needs of
users with different displays and CPUs (video conference endpoints, laptops, tablets, and
mobile phones) connected through different network links such as LAN and wireless.
In video conferencing, efficient scalable video coding provides certain benefits in the
transmission of video streaming. For example, a video conference with heterogeneous
clients where multiple bit streams of the same video content differing in picture size, frame
rate and bit rate should be provided simultaneously. An SVC solution could make use of
simulcasting, in which multiple SVC streams are made available to the different clients,
allowing each client to select the picture size, frame rate, and bit rate that best suits its needs.
This provides a scalable bit stream set from which representations with lower resolution or
quality can be obtained. A video client with restricted resources such as display resolution,
processing power, or battery power, needs to decode the lowest available bit stream.
2-1
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Chapter 2-SVC Conferencing Solution Overview
The following diagram illustrates an example of the various devices and bandwidths that
can be used in an SVC-based video conferencing environment:
Using the SVC-Based Conferencing Solution
The Polycom RealPresence SVC-Based Conferencing Solution is a powerful and innovative
video conferencing mode that, in some cases, provides high-quality video streaming
between endpoints with lower resolutions, frame rates, and line rates. SVC conferences also
provide higher video capacity, better error resiliency and lower latency.
Using the SVC video protocol, SVC conferences provide video bit streams at different
resolutions, frame rates and line rates to SVC-enabled endpoints with various display
capabilities and layout configurations.
In the SVC-based conference, each SVC-enabled endpoint transmits multiple resolution and
temporal layers, to the Polycom® RealPresence® Collaboration Server (RMX) or the
Polycom® RealPresence® Collaboration Server 800s, enabling each endpoint to transmit at
different resolutions and frame rates such as 720p at 30fps, 15fps, and 7.5fps, 360p at 15fps
and 7.5fps, and 180p at 7.5fps.
Polycom SVC-enabled endpoints (Polycom® RealPresence® Desktop and Polycom®
RealPresence® Mobile) enable video conference layouts to be automatically assembled by
the endpoint giving more flexibility to the endpoint. This enables the RealPresence
Collaboration Server to send or relay the selected video streams to the endpoints without
sending the entire video layout to the endpoints.
The video streams displayed in the conference layout on each endpoint is obtained from the
different streams received from each of the endpoints displayed in the layout. Depending on
the size of the video cell in the configured layout, the endpoint requests the video stream in
the required resolution from the RealPresence Collaboration Server. The higher the display
quality and size, the higher the requested resolution will be sent to the endpoint. The
endpoint creates the displayed layout from the different video streams it receives.
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Polycom® RealPresence® SVC-Based Conferencing Solutions Deployment Guide
The following diagram illustrates an SVC-based conference:
For instance, an SVC endpoint might want to receive three video streams at different frame
rates and resolutions, and create a conference layout with the received video streams. Each
SVC-enabled endpoint sends and receives encoded SVC bit streams to and from the
RealPresence Collaboration Server.
For example, the SVC stream sent from a RealPresence Desktop client (1) will transmit bit
streams suited for both a RealPresence Mobile client (2) and a RealPresence Desktop client
(4). The transmitted bit streams might contain a compressed video with a lower bit rate to
support the capability of the receiving client.
The RealPresence Collaboration Server determines which of the incoming bit streams to
send to each endpoint. It does not perform any encoding and decoding, or any transcoding
of the video streams. The RealPresence Collaboration Server functions as the multipoint
media relay to the endpoints. For voice activated selection of the video streams, the
RealPresence Collaboration Server determines which of the incoming bit streams to send to
each endpoint.
SVC video conferences provides a robust bandwidth-efficient technology that delivers a
consistently high-quality user experience across networks with varying degrees of quality of
service. SVC increases the scalability of video networks and enables mass desktop video
deployments while reducing total networking equipment cost.
SVC video conferences provides a robust bandwidth-efficient technology that delivers a
consistently high-quality user experience across networks with varying degrees of quality of
service. SVC increases the scalability of video networks and enables mass desktop video
deployments while reducing total networking equipment cost.
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Chapter 2-SVC Conferencing Solution Overview
Some of the advantages of SVC conferencing are:
•
Offers high-resolution video conferencing with low end-to-end latency, improved error
resiliency and higher system capacities.
•
Allows the SVC-enabled video endpoints to manage display layouts, support multiple
resolutions and data rates. SVC provides simulcasting at different resolutions with
more layout building options on the endpoint. Flexible in-stream selection to
accommodate various endpoint capabilities such as bandwidth, CPU, screen resolution,
and so forth.
•
The RealPresence Collaboration Server functions as a media relay server providing low
cost production benefits. The RealPresence Collaboration Server reduces bandwidth
usage by only selecting the necessary video stream to be sent to the endpoints.
Using SVC-Enabled Endpoints in a Mixed AVC and SVC
Conference
A transcoded CP (Continuous Presence) conference is also described as an AVC (Advanced
Video Coding) conference. All endpoints that do not support the H.264 SVC protocol such
as H.263, H.264, or RTV, are considered AVC endpoints.
The RealPresence Collaboration Server 800s - Virtual Edition, the industry’s first multi-
protocol, integrated software MCU that runs on industry-standard servers, can manage a
mixed SVC and AVC-based conference. This type of conference enables participants with
SVC-enabled endpoints and AVC endpoints to participate in the same conference.
SVC endpoints transmit multiple resolutions and temporal layers to the Collaboration
Server like the SVC-based conferences, while AVC endpoints send only one H.264 AVC
video stream to the Collaboration Server. The Collaboration Server relays SVC-decoded
video bit streams to the SVC-enabled endpoints in the conference according to their display
capabilities. This enables the video conference layouts to be automatically assembled by the
endpoint. AVC endpoints connected to the conference send a single H.264 AVC video bit
stream to the Collaboration Server, which is then transcoded to SVC video streams. SVC-
enabled endpoints receive the AVC converted video bit streams through the Collaboration
Server from the AVC endpoints as a single SVC video bit stream. Alternatively, AVC
endpoints receive a single video bit stream with the defined video conference layout from
the Collaboration Server. In this mixed mode conferencing, all AVC endpoints receive the
same CP video layout as an AVC Only conference, but SVC endpoints receive the same
video layout configuration as an SVC Only conference.
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Polycom® RealPresence® SVC-Based Conferencing Solutions Deployment Guide
The following diagram illustrates an example of a mixed AVC/SVC conferencing mode:
In this example, an SVC endpoint (1) receives three video streams at different frame rates
and resolutions, and creates the conference layout with the received video streams. The
video bit stream that the SVC endpoint receives from the AVC endpoint (3) is transcoded in
the Collaboration Server and then encoded into an SVC bit stream in the required
resolution.
Alternatively, an AVC endpoint (4) sends a single resolution video stream to the
Collaboration Server. The Collaboration Server first converts the SVC bit stream into AVC,
then transcodes the video received from the other endpoints to the required resolution. The
Collaboration Server composes the video layout for the AVC endpoint and sends a single
resolution video stream with the video layout to the participant. In the displayed example,
the Collaboration Server creates different video layouts for each AVC endpoint.
Video Layouts in the Mixed Conference Mode
Video layouts used in the mixed AVC and SVC conferencing mode depends on the
endpoint of the participant. SVC endpoints display the same video layouts as in an SVC
Only conference. AVC endpoints display video layouts as configured by the Collaboration
Server.
The participant that is currently speaking is displayed with a colored border (orange or
yellow) depending on the type of skin of the conference while the participants that are
listening are displayed in the other panes.
AVC endpoints can use the PiP (Picture in Picture) option, which displays the participant’s self-view.
This can change the video layouts view.
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Chapter 2-SVC Conferencing Solution Overview
The following table illustrates how participants are displayed in video layouts for both SVC
and AVC endpoints:
Table 2-1 Video Layouts for Mixed AVC and SVC Conferences
Number of
AVC Endpoints
(Auto Layout)
SVC Endpoints (RPD)
Participants
2
3
4
5
6
7
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Polycom® RealPresence® SVC-Based Conferencing Solutions Deployment Guide
Table 2-1 Video Layouts for Mixed AVC and SVC Conferences (Continued)
Number of
Participants
AVC Endpoints
(Auto Layout)
SVC Endpoints (RPD)
8
9
10
11
12
In the AVC endpoints video layout for 10 participants, the current speaker is displayed and
the other seven panes are the participants who have previously spoken in the conference.
The video layout displays the participants in speaker order - the participant who was the
speaker before the other participants displayed in the video layout is not anymore
displayed.
In layout 2+8, the two central windows display the last two speakers in the conference: the
current speaker and the “previous” speaker. To minimize the changes in the layout, when a
new speaker is identified, the “previous” speaker is replaced by the new speaker while the
current speaker remains in their window.
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3
SVC Conferencing System
Architecture
This chapter describes the Polycom RealPresence SVC Conferencing System Architecture, a
general description of SVC, and using the SVC conferencing solution.
This chapter includes the following topics:
•
•
•
•
System Architecture for Enterprise Deployment
The following diagram illustrates the SVC-based conferencing system architecture and each
plane is detailed in the sections below the diagram:
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Chapter 3-SVC Conferencing System Architecture
The SVC-based conferencing system architecture diagram is divided into the following
sections:
•
•
•
•
•
User Plane
The User plane describes the various endpoints that can be deployed in the RealPresence
UC Platform, which can include room and mobile endpoints, Telepresence systems, voice
and audio.
In the SVC conferencing solution, only SVC-enabled endpoints such as RealPresence
Desktop and RealPresence Mobile can use the SVC encoding and decoding capabilities for
compressed video files.
Access Plane
The Access plane controls the flow of data from the endpoints to the media servers. The
Access plane can deploy devices such as ISDN PBX, Polycom RealPresence® Access
Director™, and so forth. These devices are used to control and manage information security.
Firewalls can be deployed for additional security.
The Polycom® RealPresence® Access Director™ (RPAD) enables expanded firewall
traversal options for secured video conferencing connectivity within the enterprise
environment or with conference participants outside the enterprise firewall.
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Polycom® RealPresence® SVC-Based Conferencing Solutions Deployment Guide
Alternatively, the Acme Packet SBC (Session Border Controller) can be deployed in the
enterprise environment to provide secured communications across IP network borders.
Media Plane
The Media Plane contains the Polycom components such as the Polycom RealPresence
Collaboration Server 1500/2000/4000 (RMX) or the RealPresence Collaboration Server 800s,
Virtual Edition as the MCU (Multipoint Control Unit) that enables the transcoding, relay,
and collaboration of the media for SVC-based conferencing. Some components such as the
Polycom RSS 4000, which is used for video recording, archiving, and streaming, are optional
for this level.
In this SVC conferencing solution, the RealPresence Collaboration Server communicates
with the Polycom® RealPresence® Virtualization Manager (DMA) as the SIP Server.
Additionally, the RealPresence Virtualization Manager (DMA) is used to manage
conferences, call control, and signaling. For more information about the RealPresence
Virtualization Manager (DMA) in the SVC-based conferencing solution, see the
Call Control Plane
The Call Control Plane contains the RealPresence Virtualization Manager (DMA) that is
responsible for call control, signaling, and acts as the conference focus. Additionally, the
RealPresence Virtualization Manager (DMA) is used as the SIP Server for the SVC
conferencing solution.
mp
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Chapter 3-SVC Conferencing System Architecture
Management and Provisioning Plane
This level contains the Polycom® RealPresence® Resource Manager component. The
RealPresence Resource Manager controls and manages all enterprise management
applications and servers such as Authentication, DNS, Email, in addition to client
provisioning through the enterprise Management User Interface (UI).
Additionally, this level contains the enterprise Active Directory (AD), which communicates
with the RealPresence Resource Manager as well as the RealPresence Virtualization
Manager (DMA).
Polycom System Environment Components
This section describes the Polycom RealPresence components that are used in the SVC
conferencing solution. Additionally, it describes the component and endpoint
interoperability.
RealPresence Access Director
The RealPresence Access Director (RPAD) is an expanded firewall traversal solution that
makes it easier for conference participants, inside or outside the firewall, to video
conference safely with anyone in the organization, whether they are in a secure environment
at the office or an unsecure environment at home or away.
For more information on using the RealPresence Access Director, see the Polycom®
RealPresence® Access Director™ System Administrator’s Guide.
RealPresence Virtualization Manager (DMA)
The RealPresence Virtualization Manager (DMA), is the primary server communicating
between the endpoints and the RealPresence Collaboration Server (RMX). The RealPresence
Virtualization Manager (DMA) is responsible for managing conferences, call control, and
signaling and acting as the conference focus. It communicates with the RealPresence
Collaboration Server using the SIP protocol. Additionally, the RealPresence Virtualization
Manager (DMA) provides a Northbound REST API for creating virtual meeting rooms
(VMR). Enabling SVC-based conferences on VMRs can be done by configuring the
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Conference Template in the RealPresence Virtualization Manager (DMA). For details on
configuring the RealPresence Virtualization Manager (DMA) for SVC-based conferences,
For more information on using the RealPresence Virtualization Manager (DMA), see the
Polycom® DMA 7000™ System Operations Guide.
RealPresence Collaboration Server (RMX)
In the SVC conferencing environment, the Polycom RealPresence Collaboration Server
(RMX) functions as a media relay server. The RealPresence Collaboration Server (RMX)
does not perform encoding and decoding or any transcoding between the endpoints as it
would normally do in an AVC conferencing environment. The RealPresence Collaboration
Server (RMX) determines in real-time which of the incoming video streams to send to each
endpoint.
In addition, the RealPresence Collaboration Server (RMX) controls and manages non-SVC
multipoint video and audio conferences at the same time.
The RealPresence Collaboration Server (RMX) does not run mixed AVC and SVC conferences.
For more information on the RealPresence Collaboration Server (RMX), see the Polycom®
RealPresence® Collaboration Server 1500/2000/4000 Administrator’s Guide.
RealPresence Collaboration Server 800s, Virtual Edition
The Polycom® RealPresence® Collaboration Server 800s, Virtual Edition, is the industry’s
first multi-protocol, integrated software MCU that runs on industry-standard servers. The
Collaboration Server 800s, Virtual Edition delivers open standards-based SVC that results in
3X HD multipoint video capacity for greater scalability. For SVC-based conferencing, the
RealPresence Collaboration Server 800s performs similar functions as the RealPresence
Collaboration Server (RMX). In addition, the Collaboration Server 800s controls and
manages mixed AVC/SVC video conferences as well as non-SVC multipoint video and
audio conferences at the same time.
®
The RealPresence Collaboration Server 800s system is installed on the Dell PowerEdge™
R620 E5-2690 Rack Server.
For more information on the RealPresence Collaboration Server 800s, see the Polycom®
RealPresence® Collaboration Server 800s, Virtual Edition Administrator’s Guide.
Licensing for SVC-Based Conferencing
Before using SVC-based conferencing on the RealPresence Collaboration Server 800s, it is
necessary to register the product and the various software licences and obtain an Activation
key. Specifically, you are required to register the Collaboration Server with an SVC license
to run SVC-based conferences.
For more information on registering the RealPresence Collaboration Server 800s, see the
Polycom® RealPresence® Collaboration Server 800s - Virtual Edition Getting Started Guide.
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Chapter 3-SVC Conferencing System Architecture
RealPresence Resource Manager
The RealPresence Resource Manager system is an integrated scheduling and device
management platform for video conferencing that can include these features:
•
Endpoint management, including provisioning, updating, monitoring, and
troubleshooting.
•
Conference scheduling and monitoring on both RealPresence Resource Manager
system resources and the RealPresence Virtualization Manager (DMA) system (when
integrated with the RealPresence Resource Manager system).
•
Conference, network device, and system monitoring and management including
network typology by geography and visual alarm reporting.
•
•
Directory and user management including address books and presence.
The Polycom RealPresence Desktop client for Windows operating systems—an easy-to-
use video and audio conferencing application that lets your users see and hear the
people they call on their desktop system.
•
•
Automatic provisioning for dynamically-managed endpoint systems and scheduled
provisioning for standardly-managed and legacy endpoints.
Automatic software updates for dynamically-managed endpoint systems and
scheduled software updates for standardly-managed and legacy endpoints.
•
•
Firewall management capabilities which enable video conferencing across firewalls.
Access to user and room directories for on-demand and scheduled calls.
Directory services include:
—
—
—
Presence and contact list functionality for dynamically-managed endpoints (except
for RealPresence Mobile clients).
Global Address Book for a single directory structure or Multiple Address Books for
multiple managed directories.
H.350 and LDAP directory functionality. H.350 defines a directory services
architecture for multimedia conferencing for H.323, H.320, SIP and generic
protocols.
•
•
Device monitoring and management, including bridges and access controllers such as
firewalls and SBCs.
An optional high-availability, redundant management server configuration.
The RealPresence Resource Manager system supports up to 10,000 managed devices. It
integrates with the RealPresence Virtualization Manager (DMA) system for call control via
H.323 gatekeeper and SIP proxy functions.
For more information about the Polycom RealPresence Resource Manager, see the Polycom®
RealPresence® Resource Manager™ System Operations Guide.
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Interoperability
The following table describes the Polycom components and endpoints supported in the SVC
solution:
Table 3-1 Polycom Components Supported in the SVC Solution
Component
Product Version
Description
RealPresence Access
Director
2.0
The RealPresence Access Director is a firewall
traversal solution for secured video
conferencing.
RealPresence
Virtualization Manager
(DMA)
5.2
The RealPresence Virtualization Manager
(DMA) is the primary server communicating
between the endpoints and the RealPresence
Collaboration Server.
RealPresence
Collaboration Server
1500/2000/4000 (RMX)
7.8
8.0
The RealPresence Collaboration Server
functions as a media relay server for SVC Only
conferences.
RealPresence
Collaboration Server
800s, Virtual Edition
The Polycom® RealPresence® Collaboration
Server 800s, Virtual Edition, is a multi-protocol,
integrated software MCU that runs on industry-
standard servers. It is used as a media relay
server for SVC-based conferences and for SVC
endpoints in a mixed AVC and SVC conference..
RealPresence Resource
Manager
7.1
The RealPresence Resource Manager is an
integrated scheduling, provisioning, and device
management platform for video conferencing.
Endpoints
RealPresence Desktop
2.0
2.0
The RealPresence Desktop application enables
SVC conferences on PC desktop and laptop
endpoint devices.
RealPresence Mobile
The RealPresence Mobile application enables
SVC conferences on iPad tablets and iPhone
devices.
A Typical SVC-Based Conference Deployment Scenario
Polycom’s migration path for SVC-based conferencing enables a smooth and incremental
transition for enterprises that have existing Polycom UC infrastructure such as the
RealPresence Collaboration Server (RMX) or the RealPresence Collaboration Server 800s -
Virtual Edition, RealPresence Virtualization Manager (DMA), and the RealPresence
Resource Manager. Software upgrades to the various Polycom components are performed
to provide deployment of SVC-based conferencing, enabling the enterprise to keep their
initial investments and upgrading costs to a minimum. Additionally, POCN, Cisco TIP,
ISDN, PSTN, and H323 are supported in the RealPresence Collaboration Server for AVC-
based conferences.
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Chapter 3-SVC Conferencing System Architecture
The RealPresence Collaboration Server automatically assigns AVC and SVC resources and
can be expanded as needed. Upgrading the RealPresence Collaboration Server software
enables managing and operating SVC-based conferences in addition to AVC-based
conferences.
SVC-based conferencing requires that the RealPresence Virtualization Manager (DMA) component
be installed as a SIP Proxy server.
Polycom’s SVC-based conferencing solution does not require any special training and does
not require changing existing dial plans. SVC-based conferencing possess exceptional audio
quality — Scalable Audio Coding (SAC) is supported.
The following diagram illustrates Polycom’s migration to the SVC-based conferencing
solution:
SVC Support for Endpoints
Supported endpoints for SVC-based conferencing are Polycom’s RealPresence Desktop for
PCs and Laptops, and RealPresence Mobile for iPad and iPhone.
The following table describes the SVC support for each type of endpoint:
Table 3-2 SVC Support for Endpoints
Endpoint
SVC Support
RealPresence Desktop
•
•
•
Sends and receives up to 720p30
Layout up to 1+10
Content is added to the layout (double-click to view full
screen)
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Table 3-2 SVC Support for Endpoints
Endpoint
SVC Support
RealPresence Mobile
•
•
•
•
Receives up to 360p30 (for iPad2 and iPad3)
Sends up to 270p at 15fps
Layout up to 1+5 on iPad and up to 2x2 on iPhone
Content is added to the layout on iPad (double-click to
view full screen)
Deploying the RealPresence Virtualization Manager (DMA) in the Enterprise
Environment
The RealPresence Virtualization Manager (DMA) is used as the primary video conferencing
call controller. It provides conference management, call control, port signaling and functions
as the conference focus. Additionally, the RealPresence Virtualization Manager (DMA)
communicates with the provisioning server to configure conferences, create virtual meeting
rooms (VMR), and connects participants to conferences.
The RealPresence Virtualization Manager (DMA) is used as the SIP Proxy server when
making SVC-based calls.
Upgrading the RealPresence Virtualization Manager (DMA) software to version 5.2 enables
the enterprise deployment to keep the existing Polycom DMA component and use the
RealPresence Virtualization Manager (DMA) for SVC-based conferencing.
For more information on the RealPresence Virtualization Manager (DMA), see the Polycom®
DMA™ 7000 System Operations Guide.
Deploying the RealPresence Resource Manager in the Enterprise Environment
The RealPresence Resource Manager is an integrated scheduling and device management
platform for video conferencing. The RealPresence Resource Manager handles the
provisioning of the conference participant endpoints and the scheduling of video
conferencing. Additionally, it communicates with the enterprise’s management applications
and servers such as user authentication, DNS, and Email servers.
The RealPresence Resource Manager replaces the CMA 4000/5000 in the SVC-based
conferencing architecture. An existing CMA server may be used in an enterprise
deployment but with limited SVC-based conferencing support - the scheduling of SVC-
based conferences are not supported.
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Chapter 3-SVC Conferencing System Architecture
Supported Features in the RealPresence Collaboration Server
This section describes the features supported or not supported in the varying RealPresence
Collaboration Server components, between the RealPresence Collaboration Server 1500/
2000/4000 (RMX) and the RealPresence Collaboration Server 800s, Virtual Edition.
The following table describes the features for SVC Only conferences, AVC Only conferences,
and mixed AVC and SVC conferences for each Collaboration Server component:
Table 3-3 Supported Features Per Collaboration Server Component
RealPresence
RealPresence Collaboration Server 800s,
Collaboration Server
Virtual Edition
(RMX) 1500/2000/4000
Mixed CP &
AVC
SVC
AVC/CP
SVC
Feature
SVC
Operator
Conferences
Entry Queues
Reservations
Dial Out
8
1
1
2
Gateway Profiles
Cascading
IVR
3
6
4
FECC
Encryption
5
LPR
SVC Error Resiliency
Auto Redial
Cisco TIP
Force Layout
7
Media Recording
Message Overlay
Site Names
7
7
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Polycom® RealPresence® SVC-Based Conferencing Solutions Deployment Guide
Table 3-3 Supported Features Per Collaboration Server Component (Continued)
RealPresence
Collaboration Server
(RMX) 1500/2000/4000
RealPresence Collaboration Server 800s,
Virtual Edition
Mixed CP &
AVC
SVC
AVC/CP
SVC
Feature
SVC
Presentation Mode
Graphics only,
H.264
Graphics only,
H.264
Graphics only,
H.264
Content
Cascade &
SVC
Cascade &
SVC
Cascade &
SVC
Optimized
Optimized
Optimized
Lecture Mode
Skins
9
1. Entry Queue and destination conference must have the same Profile (that is, SVC Only to
SVC Only and CP and SVC to CP and SVC)
2. AVC Only participants
3. Only Basic Cascading is available
4. Reduced IVR set for SVC endpoints (also for Mixed CP-SVC)
5. For AVC endpoints, LPR is used. However, for SVC endpoints, new SVC error resiliency
methods are used.
6. SVC endpoints only
7. AVC recording only
8. For SVC endpoints, Site Names are managed by the endpoint, not by the MCU.
9. AVC Only participants
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Chapter 3-SVC Conferencing System Architecture
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4
Configuration
This chapter describes how to configure the Polycom components for SVC-based
conferencing.
The RealPresence Collaboration Server (RMX), the RealPresence Collaboration Server 800s
and the RealPresence Virtualization Manager (DMA) are the only Polycom components that
require configuration for SVC-based conferences. All other components do not need any
special configuration.
This chapter includes the following topics:
•
•
•
•
Configuring the RealPresence Collaboration Server (RMX) for
SVC Only Conferences
This section describes how to configure the RealPresence Collaboration Server for SVC-
based conferences.
The RealPresence Collaboration Server (RMX) can only run SVC Only and AVC Only Conferences.
for configuring mixed AVC/SVC conferences.
To define an SVC Only Profile:
1
2
In the RMX Management pane, click Conference Profiles.
In the Conference Profiles pane, click the New Profile button.
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Chapter 4-Configuration
The New Profile – General dialog box opens.
By default, the Profile is set to AVC Only Conferencing Mode.
3
In the Conferencing Mode list, select SVC Only to define an SVC Profile.
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The profile tabs and options change accordingly and only supported options are
available for selection. Unsupported options are disabled (grayed out).
4
Define the Profile name and, if required, the Profile - General parameters:
Table 4-1 New SVC Profile - General Parameters
Field/Option
Description
Display Name
Enter a unique Profile name, as follows:
•
•
•
English text uses ASCII encoding and can contain the most
characters (length varies according to the field).
European and Latin text length is approximately half the length of
the maximum.
Asian text length is approximately one third of the length of the
maximum.
It is recommended to use a name that indicates the Profile type, such
as Operator conference or Video Switching conference.
Note: This is the only parameter that must be defined when creating
a new profile.
Note: This field is displayed in all tabs.
Line Rate
Select the conference bit rate. The line rate represents the combined
video, audio and Content rate
.
The default setting for SVC Only conference is 1920kbps.
Notes:
•
This field is displayed in all tabs.
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Chapter 4-Configuration
Table 4-1 New SVC Profile - General Parameters (Continued)
Field/Option
Description
Routing Name
Enter the Profile name using ASCII characters set.
The Routing Name can be defined by the user or automatically
generated by the system if no Routing Name is entered as follows:
•
If an all ASCII text is entered in Display Name, it is used also as
the Routing Name.
•
If any combination of Unicode and ASCII text (or full Unicode text)
is entered in Display Name, the ID (such as Conference ID) is
used as the Routing Name.
5
Click the Advanced tab.
The New Profile – Advanced dialog box opens.
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6
Define the following supported parameters:
Table 4-2 New SVC Profile - Advanced Parameters
Field/Option
Description
Auto Terminate
When selected (default), the conference automatically ends when the
termination conditions are met:
Before First Joins — No participant has connected to a conference
during the n minutes after it started. Default idle time is 10 minutes.
At the End - After Last participant Quits — All the participants
have disconnected from the conference and the conference is idle
(empty) for the predefined time period. Default idle time is 1 minute.
At the End - When Last Participant Remains — Only one
participant is still connected to the conference for the predefined time
period (excluding the recording link which is not considered a
participant when this option is selected).
It is not recommended to select this option for SVC Conferences.
Default idle time is 1 minute.
Exclusive Content
Mode
When selected, Content broadcasting is limited to one participant
preventing other participants from interrupting the Content
broadcasting while it is active. For more details, see
FW NAT Keep Alive
Interval
When selected, an FW NAT Keep Alive message is sent at an interval
defined in the field below the check box.
The time in seconds between FW NAT Keep Alive messages.
7
Click the Video Quality tab.
The New Profile – Video Quality dialog box opens.
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Chapter 4-Configuration
8
Define the following parameters:
Table 4-3 New SVC Profile - Video Quality Parameters
Field/Option
Description
Content Video Definition
Content Settings
Content Protocol
Only Graphics is available in SVC Conferencing Mode for
transmission of Content. It offers the
basic mode, intended for normal graphics
For more information, see "H.239” on page 4-2.
H.264 Cascade and SVC Optimized is the only available Content
Protocol for content sharing during SVC-based conferences.
In this mode, all Content is shared using the H.264 content protocol
and all endpoints must use the set video resolution and frame rate
(720p 5fps). Endpoints that do not support these settings cannot
share content.
9
Click the Network Services tab.
The New Profile - Network Services tab opens.
Registration of conferencing entities such as ongoing conferences, Meeting Rooms, and
SIP Factories with SIP servers is done per conferencing entity. This allows better control
of the number of entities that register with each SIP server. Selective registration is
enabled by assigning a conference Profile in which registration is configured for the
required conferencing entities. Assigning a conference Profile in which registration is
not configure for conferencing entities will prevent them from registering. By default,
Registration is disabled in the Conference Profile, and must be enabled in Profiles
assigned to conferencing entities that require registration.
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10 Define the following parameters:
Table 4-4 New SVC Profile - Network Services Parameters
Parameter
Description
IP Network Services:
Service Name
This column lists all the defined Network Services, one or several
depending on the system configuration.
SIP Registration
To register the conferencing entity to which this profile is assigned
with the SIP Server of the selected Network Service, click the check
box of that Network Service in this column.
When SIP registration is not enabled in the conference profile, the
RMX's registering to SIP Servers will each register with an URL
derived from its own signaling address. This unique URL replaces the
non-unique URL, dummy_tester, used in previous versions.
Accept Calls
To prevent dial in participants from connecting to a conferencing
entity when connecting via a Network Service, clear the check box of
the Network Service from which calls cannot connect to the
conference.
11 Click OK to complete the Profile definition.
A new Profile is created and added to the Conference Profiles list.
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Chapter 4-Configuration
Configuring the RealPresence Collaboration Server 800s for
SVC Only Conferences
This section describes how to configure the RealPresence Collaboration Server 800s for SVC-
based conferences.
To define an SVC Only Profile:
1
2
In the RMX Management pane, click Conference Profiles.
In the Conference Profiles pane, click the New Profile button.
The New Profile - General dialog box is displayed.
By default, the Profile is set to the CP and SVC conferencing mode.
3
In the Conferencing Mode list, select SVC Only to define an SVC Profile.
The profile tabs and options change accordingly and only supported options are
available for selection. Unsupported options are disabled (grayed out).
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4
Define the Profile name and, if required, the Profile - General parameters:
Table 4-5 New SVC Profile - General Parameters
Field/Option
Description
Display Name
Enter a unique Profile name, as follows:
•
•
•
English text uses ASCII encoding and can contain the most
characters (length varies according to the field).
European and Latin text length is approximately half the length of
the maximum.
Asian text length is approximately one third of the length of the
maximum.
It is recommended to use a name that indicates the Profile type, such
as Operator conference or Video Switching conference.
Note: This is the only parameter that must be defined when creating
a new profile.
Note: This field is displayed in all tabs.
Line Rate
Select the conference bit rate. The line rate represents the combined
video, audio and Content rate
.
The default setting for SVC Only conference is 1920kbps.
Notes:
This field is displayed in all tabs.
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Chapter 4-Configuration
Table 4-5 New SVC Profile - General Parameters (Continued)
Field/Option
Description
Routing Name
Enter the Profile name using the ASCII characters set.
The Routing Name can be defined by the user or automatically
generated by the system if no Routing Name is entered as follows:
•
If an all ASCII text is entered in Display Name, it is used also as
the Routing Name.
If any combination of Unicode and ASCII text (or full Unicode text) is
entered in Display Name, the ID (such as Conference ID) is used as
the Routing Name.
5
Click the Advanced tab.
The New Profile - Advanced dialog box is displayed.
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6
Define the following supported parameters:
Table 4-6 New SVC Profile - Advanced Parameters
Field/Option
Description
Auto Terminate
When selected (default), the conference automatically ends when the
termination conditions are met:
Before First Joins — No participant has connected to a conference
during the n minutes after it started. Default idle time is 10 minutes.
At the End - After Last participant Quits — All the participants
have disconnected from the conference and the conference is idle
(empty) for the predefined time period. Default idle time is 1 minute.
At the End - When Last Participant Remains — Only one
participant is still connected to the conference for the predefined time
period (excluding the recording link which is not considered a
participant when this option is selected).
It is not recommended to select this option for SVC Conferences.
Default idle time is 1 minute.
Exclusive Content
Mode
When selected, Content broadcasting is limited to one participant
preventing other participants from interrupting the Content
broadcasting while it is active.
FW NAT Keep Alive
Interval
When selected, an FW NAT Keep Alive message is sent at an interval
defined in the field below the check box.
The time in seconds between FW NAT Keep Alive messages
7
Click the Video Quality tab.
The New Profile - Video Quality dialog box is displayed.
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Chapter 4-Configuration
8
Define the following parameters:
Table 4-7 New SVC Profile - Video Quality Parameters
Field/Option
Description
Content Video Definition
Content Settings
Only Graphics is available in SVC Conferencing Mode for
transmission of Content. It offers the basic mode, intended for normal
graphics.
For more information, see the RealPresence Collaboration Server
Administrator’s Guide, “H.239”.
Content Protocol
H.264 Cascade and SVC Optimized is the only available Content
Protocol for content sharing during SVC-based conferences.
In this mode, all Content is shared using the H.264 content protocol
and all endpoints must use the set video resolution and frame rate
(720p 5fps). Endpoints that do not support these settings cannot
share content.
9
Click the Audio Settings tab.
The New Profile - Audio Settings dialog box is displayed.
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10 Define the following supported parameters:
Table 4-8 New SVC Profile - Audio Settings Parameters
Field/Option
Description
Speaker Change
Threshold (Sec)
Select the amount of time a participant must speak continuously
before becoming the speaker. The possible values are:
•
•
•
•
Auto (Default, 3 seconds)
1.5 seconds
3 seconds
5 seconds
11 Click the IVR tab.
The New Profile - IVR dialog box is displayed.
12 Define the following parameters:
Table 4-9 New SVC Profile - IVR Parameters
Field/Option
Description
Conference IVR
Service
The default Conference IVR Service is selected. You can select
another conference IVR Service if required.
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Chapter 4-Configuration
Table 4-9 New SVC Profile - IVR Parameters
Field/Option
Description
Conference Requires
Chairperson
Select this option to allow the conference to start only when the
chairperson connects to the conference and to automatically
terminate the conference when the chairperson exits. Participants
who connect to the conference before the chairperson are placed on
Hold and hear background music (and see the Welcome video slide).
Once the conference is activated, the participants are automatically
connected to the conference.
When the check box is cleared, the conference starts when the first
participant connects to it and ends at the predefined time or according
to the Auto Terminate rules when enabled.
Note: This feature is implemented only if the System Flag
TERMINATE_CONF_AFTER_CHAIR_DROPPED is set to YES.
13 Click the Network Services tab.
The New Profile - Network Services dialog box is displayed.
Registration of conferencing entities such as ongoing conferences, Meeting Rooms, and
SIP Factories with SIP servers is done per conferencing entity. This allows better control
of the number of entities that register with each SIP server. Selective registration is
enabled by assigning a conference profile in which registration is configured for the
required conferencing entities. Assigning a conference profile in which registration is
not configure for conferencing entities will prevent them from registering. By default,
Registration is disabled in the Conference Profile, and must be enabled in the
Conference Profiles assigned to conferencing entities that require registration.
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Polycom® RealPresence® SVC-Based Conferencing Solutions Deployment Guide
14 Define the following parameters:
Table 4-10 New SVC Profile - Network Services Parameters
Field/Option
Description
IP Network Services:
Service Name
This column lists all the defined Network Services, one or several
depending on the system configuration
SIP Registration
To register the conferencing entity to which this profile is assigned
with the SIP Server of the selected Network Service, click the check
box of that Network Service in this column.
When SIP registration is not enabled in the conference profile, the
RMX's registering to SIP Servers will each register with an URL
derived from its own signaling address. This unique URL replaces the
non-unique URL, dummy_tester, used in previous versions.
Accept Calls
To prevent dial in participants from connecting to a conferencing
entity when connecting via a Network Service, clear the check box of
the Network Service from which calls cannot connect to the
conference.
15 Click OK to complete the Conference Profile definition.
A new Profile has been created and added to the Conference Profiles list.
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Chapter 4-Configuration
Configuring a Mixed CP (AVC) and SVC Conference on the
RealPresence Collaboration Server 800s
The RealPresence Collaboration Server 800s can be configured for a mixed AVC (CP) and
SVC conference.
To configure a mixed CP and SVC conference:
1
2
In the RealPresence Collaboration Server Management pane, click Conference Profiles.
In the Conference Profiles pane, click the New Profile button.
The New Profile - General dialog box is displayed.
By default, the Profile is set to the CP and SVC conferencing mode.
3
4
In the Conferencing Mode list, ensure that CP and SVC is selected to define a mixed CP
and SVC conference.
Define the rest of the Conference Profile parameters for the mixed CP and SVC
conference as detailed in the Polycom RealPresence Collaboration Server 800s
Administrator’s Guide.
Using Video Resources for a Mixed AVC and SVC Conference
In a mixed CP and SVC conference, video resources are used according to the amount of
both AVC and SVC participants in the conference. The ratio of resources in a mixed
conference is one AVC HD (720p30) video resource to three SVC video resources, meaning
for each AVC HD video resource, three SVC video resources can be allocated.
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The following table describes the resource capacity allocations for the RealPresence
Collaboration Server 800s.
Table 4-11
Resource Capacity Allocation
Number of
Resources
Resource Type
VoIP Ports
120
40
40
20
20
60
CIF Ports
SD Ports (4CIF)
HD 720p30 Ports
VGA RTV Ports
SVC Only Ports
For example, in a mixed AVC/SVC conference, 10 HD ports and 30 SVC ports can be the
maintaining ratio of one HD port to three SVC ports.
The following diagram illustrates the amount of AVC to SVC port resources that are used in
a mixed AVC/SVC conference:
Resource Report
When viewing the Collaboration Server resource report, the resource allocations are
described in AVC SD/CIF units. A port ratio of 1 AVC HD port will equal 2 AVC SD ports,
which equals 3 SVC ports. This signifies that when the Collaboration Server is reporting the
available capacity, it will appropriately round up the remaining capacity to the nearest
whole value of available ports. For a detailed description of the Collaboration Server
resource report, see the Polycom® RealPresence® Collaboration Server Administrator’s Guide.
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Chapter 4-Configuration
Configuring the RealPresence Virtualization Manager (DMA)
The RealPresence Virtualization Manager (DMA) Version 5.1 only supports SVC Only conferences
on the RealPresence Collaboration Server (RMX).
To configure the RealPresence Virtualization Manager (DMA) for SVC-based
conferences:
1
In the Edit Conference Template: Factory Template dialog box, click RMX General
Settings.
2
In the Conference mode setting, click the drop-down menu arrow and select SVC only
(RMX only).
Selecting this setting disables most of the other template settings such as Encryption, LPR,
and TIP compatibility.
3
Select any of the other settings that is relevant for the conference.
4
Click OK.
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5
Making an SVC-Based Conference
Call
This chapter describes how to place an SVC-based conference call using the RealPresence
SVC-Based Conferencing solution. It describes the conference call from the end-user
perspective in addition to describing the SVC-based conference established in the
RealPresence Collaboration Server and the RealPresence Virtualization Manager (DMA).
Additionally, the chapter describes the various features that can be used in an SVC-based
conference.
Using the Polycom RealPresence Desktop and the Polycom
RealPresence Mobile Applications
The Polycom RealPresence Desktop application is designed as an enhancement and
replacement of the existing Polycom CMA Desktop and m100 applications. However, in this
release, the RealPresence Desktop supports the Windows platform only.
The Polycom RealPresence Mobile application provides video conferencing for tablets and
smartphones, extending video beyond conference rooms, enabling organizations to deliver
video collaboration to more users in more environments. RealPresence Desktop and
RealPresence Mobile are fully SVC-enabled applications.
Making a Conference Call
There are several types of conferences:
•
•
Point-to-Point Calls
Point-to-point calls enable one participant to call another participant for video conferencing.
Using the RealPresence Desktop or RealPresence Mobile, a point-to-point call can be made
between two endpoints using the SIP protocol. Point-to-point calls can also be done between
standard-based H.323 and SIP clients.
For point-to-point calls using the SIP protocol, an exchange is performed for video
capabilities between the participants at the beginning of the call to determine the preferred
call characteristics by both sides. When that is determined, point-to-point calls uses the SVC
error resiliency capabilities but only one resolution is sent between the endpoints.
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Chapter 5-Making an SVC-Based Conference Call
Using the RealPresence Desktop or the RealPresence Mobile applications, the participant
can initiate a point-to-point call by:
•
Selecting a participant from the Contacts list (LDAP access from the provisioning server
or a manually entered contact)
•
•
Selecting a participant from the Recent Calls list
Typing the IP address of the calling participant
When the RealPresence Desktop is provisioned using the RealPresence Resource Manager,
the Contacts list is comprised of the LDAP directory and contacts that have been manually
added. When selecting a participant from the Contacts list, the call is started when the called
participant answers the call.
The RealPresence® Access Director™, the Polycom secure firewall solution, enables high-
quality and secure unified communications with remote enterprise users and guest users in
the enterprise. In this solution, the RealPresence Access Director system, acting as the
Session Border Controller (SBC) for the enterprise IP network, secures the borders to the
enterprise IP network, the private VPN, and the Internet. This allows for secure
communication between the enterprise environment and enterprise remote users.
The RealPresence Access Director enables external, remote users via designated video
endpoints such as smartphones and tablets, to make an LDAP connection to the
RealPresence Access Director system which are then proxied to the internal LDAP server.
The RealPresence Virtualization Manager (DMA) establishes point-to-point conferences
within the enterprise network and is used as the SIP proxy server between the conference
participants.
Point-to-point calls uses the RealPresence Virtualization Manager (DMA) for call control.
When the point-to-point video call is sent to an endpoint outside the enterprise firewall, SIP
signaling and media are sent through the RealPresence Access Director.
Video Layouts for Point-to-Point Calls
The video layout for point-to-point calls contain both participants in the layout view. The
smaller pane displays the local participant (self-view).
The following table illustrates how participants are displayed in the video layout of a point-
to-point call:
Table 5-1
Point-to-Point Video Layout
Number of
RealPresence Desktop
RealPresence Mobile
Participants
1 - 2
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Polycom® RealPresence® SVC-Based Conferencing Solutions Deployment Guide
Multipoint Conferences
For SVC-based conferences, only SVC-enabled endpoints, such as the RealPresence Desktop
and RealPresence Mobile applications, can connect to a configured SVC Only conference on
the RealPresence Collaboration Server and the RealPresence Virtualization Manager
(DMA). Non-SVC endpoints are not able to connect to SVC Only conferences.
SVC-based conferences are established on the RealPresence Virtualization Manager (DMA)
through Virtual Meeting Rooms. Participants to SVC-based conferences can dial-in to the
Virtual Meeting Room using a SIP URI, SIP IP address, or a Meeting Room number.
Examples of these can be:
•
•
•
SIP URI — [email protected]
SIP IP Address — [email protected]
Meeting Room — 724999
The RealPresence Collaboration Server 800s currently enables an SVC participant to directly
dial-in to a Meeting Room or an ongoing conference or dial-in through an Entry Queue.
VMRs can also be located in the Contacts list when the RealPresence Resource Manager is
connected with the enterprise LDAP. The RealPresence Resource Manager controls the
provisioning of the enterprise computers.
The RealPresence Virtualization Manager (DMA) is used for call control, SIP proxy, and
conference management. The RealPresence Virtualization Manager (DMA) allocates a
RealPresence Collaboration Server for sending and receiving video streams to and from the
SVC-enabled endpoints. When the RealPresence Collaboration Server is allocated, it detects
if all endpoints support SVC capabilities and allows SVC-enabled endpoints to connect.
When an endpoint in the conference is not an SVC endpoint, the RealPresence Collaboration
Server rejects the call and does not allow it to connect to the conference.
The RealPresence Collaboration Server provides the information on the SVC streams for
each endpoint in the conference and negotiates the required video streams to be sent to the
endpoints.
Using the RealPresence Desktop or RealPresence Mobile applications, the user is able to dial
to VMRs and other participants, view other participants in a continuous presence video
layout, control video and audio mute, and share content.
Video Layouts
Depending on the number of participants in the multipoint conferencing, video layouts are
automatically configured for displaying on the participant endpoint. The participant that is
currently speaking is displayed in the larger video pane and the participants currently
listening are displayed in the smaller video panes.
The following video layouts are used in an SVC-based conference using the RealPresence
Desktop or RealPresence Mobile clients.
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Chapter 5-Making an SVC-Based Conference Call
The following table illustrates how participants are displayed in video layouts in an SVC-
based conference:
Table 5-2
Video Layouts for Multipoint Conferences
Number of
Participants
RealPresence Desktop
RealPresence Mobile
2
3
4
5
6
7
8
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Table 5-2
Video Layouts for Multipoint Conferences (Continued)
Number of
Participants
RealPresence Desktop
RealPresence Mobile
9
10
11
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A
Appendix - SVC-Based
Conferencing Solution
Specifications
Solution Specifications
The following table describes the SVC-based conferencing solution supported capabilities:
Table A-1 Supported Solution Capabilities
Feature
Description
Video Protocol
H.264 SVC, Baseline Profile
For details, see:
Video Resolutions
Audio Protocols
•
The following protocols are supported for SVC conferencing:
•
SAC LPR (multipoint only)
Signaling
•
•
•
SIP over TCP (Recommended)
SIP over UDP
SIP over UDP/TLS
Media Quality
Low Latency, VID & AUD error resiliency
Additional Video RFC
Support
•
•
PLI (Picture Loss Indication, RFC 4585)
FIR (Full Intra Request, RFC 5104)
A-1
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Chapter A-Appendix - SVC-Based Conferencing Solution Specifications
Table A-1 Supported Solution Capabilities (Continued)
Feature
Description
Video Layout
•
RealPresence Desktop:
•
•
•
•
1+3
1+4
1+7
1+10
•
•
RealPresence Mobile (iPad):
•
•
1+3
1+5
RealPresence Mobile (iPhone):
•
•
•
•
1x1
1x2
1+2
2x2
Note: For asymmetric layouts such as 1+3 and 1+4, the first digit
denotes the current speaker in the conference. The second digit
denotes the number of participants including the local (self view).
A-2
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Polycom® RealPresence® SVC-Based Conferencing Solutions Deployment Guide
Supported Conferencing Features
•
Multipoint Video H.264 SVC call between SVC endpoints and a single MCU
•
Maximum number of SVC participants in a conference:
—
—
Up to 90 video participants using the RealPresence Collaboration Server (RMX)
Up to 60 video participants using the RealPresence Collaboration Server 800s
When running an SVC-based conference in the RealPresence Collaboration Server (RMX), all SVC
participants in the same conference must reside on the same MPMx media card.
•
A content session can be started
Video Resources Capacity:
•
Table A-2
Video Resources Capacity
RP Collaboration
Server (RMX)
(per MPMx card)
RP Collaboration
Server 800s
Resource Type
HD 720p
SD
30
60
90
20
40
60
SVC
RP Collaboration Server (RMX): 1 CIF port is equivalent to 1 SVC port
RP Collaboration Server 800s: 2 CIF/SD ports is equivalent to 3 SVC ports
•
The Polycom RealPresence Virtualization Manager (DMA) provides the following
Proxy services via the SIP and Registrar servers to the registered clients:
—
—
—
—
—
—
Trunk configuration
Feature server insertion (dial plan)
SIP outbound tunneling (RFC5626) over TCP and TLS
Support of up to 60 registrations per second
Support of up to 30 call setups per second
Support of up to 15,000 registrations
A-3
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Chapter A-Appendix - SVC-Based Conferencing Solution Specifications
MCU Supported Resolutions
The MCU automatically selects the resolution and frame rate according to the conference
line rate. Table A-3 details the maximum resolution and frame rates supported by the MCU
for each conference line rate. The actual video rate, resolution and frame rates displayed on
each endpoints is determined by the endpoint’s capabilities.:
Table A-3 SVC Conferencing - Maximum Supported Resolutions per Simulcast Stream
Conference Line Rate
(kbps)
Maximum
Resolution
Max. Frame
Rate (fps)
Audio Rate
(kbps)
Profile
1472 - 2048
1024 - 1472
768 - 1024
512 - 768
256 - 512
192 - 256
128 - 192
High Profile
High Profile
High Profile
High Profile
Base Profile
Base Profile
Base Profile
720p
720p
360p
360p
180p
180p
180p
30fps
15fps
30fps
15fps
30fps
15fps
7.5fps
48
48
48
48
48
48
48
The maximum conference line rate for the RealPresence Collaboration Server 800s is 1920 kbps.
A-4
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