Grandstream Networks Telephone BudgeTone 200 User Manual

BudgeTone-200 SIP Phone  
User Manual  
Updated – 01/2008  
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Table 8: Key Pad Configuration Menu.......................................................................................... 19  
Table 9: Device Configuration - Status ......................................................................................... 22  
Table 10: Device Configuration – Basic Settings.......................................................................... 22  
Table 11: Advanced Settings........................................................................................................ 23  
Table 12: SIP Account Settings .................................................................................................... 27  
GUI INTERFACE EXAMPLES  
BT200 USER MANUAL  
1. SCREENSHOT OF CONFIGURATION LOGIN PAGE  
2. SCREENSHOT OF STATUS PAGE  
3. SCREENSHOT OF BASIC SETTINGS CONFIGURATION PAGE  
4. SCREENSHOT OF ADVANCED USER CONFIGURATION PAGE  
5. SCREENSHOT OF SIP ACCOUNT CONFIGURATION  
6. SCREENSHOT OF SAVED CONFIGURATION CHANGES  
7. SCREENSHOT OF REBOOT PAGE  
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Welcome  
Thank you for purchasing Grandstream BudgeTone-200 IP Phone. You made an excellent choice and  
we hope you will enjoy all its capabilities.  
Grandstream's BT200 SIP IP phone is the innovative IP telephone that offers a rich set of functionality  
and superb sound quality. They are fully compatible with SIP industry standard and can interoperate with  
many other SIP compliant devices and software on the market.  
This document is subject to changes without notice. The latest electronic version of this user manual is  
available for download from the following location:  
Caution: Changes or modifications to this product not expressly approved by Grandstream, or operation  
of this product in any way other than as detailed by this User Manual, could void your manufacturer  
warranty.  
Warning: Please do not use a different power adaptor with the BT200 as it may cause damage to the  
products and void the manufacturer warranty.  
This document is contains links to Grandstream GUI Interfaces. Please download these examples  
This document is subject to change without notice. The latest electronic version of this user manual  
Reproduction or transmittal of the entire or any part, in any form or by any means, electronic or print,  
for any purpose without the express written permission of Grandstream Networks, Inc. is not  
permitted.  
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Installation  
WHAT IS INCLUDED IN THE PACKAGE  
The BudgeTone-200 phone package contains:  
1. One BudgeTone -200 Main Case  
2. One Handset  
3. One Phone Cord  
4. One Universal Power Adapter  
5. One Ethernet Cable  
CONNECTING YOUR PHONE  
Following is a backside picture of BT200, each connection port is labeled with the name in the following  
table:  
Figure 1: BT200 Back Panel  
PC  
LAN  
POWER HEADSET  
Table 1: BT200 Connectors  
LAN  
10/100 Switch LAN port for connecting to Ethernet.  
10/100Mbps RJ-45 ports for PC (downlink) connection.  
5V DC power port; UL Certified  
PC  
Power Jack  
HEADSET  
2.5mm Headset port  
1. Connect attached telephone cord to the handset and to the phone device.  
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2. Put the handset on the base.  
3. Connect attached LAN cable to the LAN port of the phone.  
4. Connect attached power supply first to the 5V power port of the phone.  
5. Connect attached power supply to the wall outlet.  
When power on, the phone starts the initialization procedure.  
Figure 2: BT200 Internal Headset Wiring Schema  
SAFETY COMPLIANCES  
The BudgeTone-200 phone is compliant with various safety standards including FCC/CE. Its power  
adaptor is compliant with UL standard. The phone should only be operated with the universal power  
adaptor provided with the package. Damages to the phone caused by using other unsupported power  
adaptors are not covered by the manufacturer’s warranty.  
WARRANTY  
If you purchased your BT200 from a reseller, please contact the company where you purchased your  
phone for replacement, repair or refund. If you purchased the product directly from Grandstream, contact  
your Grandstream Sales and Service Representative for a RMA (Return Materials Authorization) number  
before you return the product. Grandstream reserves the right to remedy warranty policy without prior  
notification.  
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Product Overview  
The following photo illustrates the appearance of a BudgeTone-200 IP phone.  
Figure 3: BT200 Front View  
Figure 4: BT200 Side View  
Table 2: BT200 Key Features in a Glance  
Features  
Benefits  
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Table 3: Hardware Specifications  
LAN Interface (Ethernet ports)  
Two (2) 10/100 Mbps Full/Half Duplex Ethernet Switch with LAN and  
PC port with auto detection  
Table 4: BT200 Technical Specifications  
Protocol  
Support  
Support SIP 2.0, TCP/UDP/IP, PPPoE, RTP/RTCP/SRTP, HTTP, ARP/RARP,  
ICMP, DNS, DHCP, NTP/SNTP, TFTP.  
Support Layer 2 (802.1Q, VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS)  
Advanced Digital Signal Processing (DSP)  
Dynamic negotiation of codec and voice payload length  
Support for G.723,1 (5.3/6.3K), G.729A/B, G.711 a/µ-law, G.726-32, G.722 (wide-  
band), GSM and iLBC codecs  
In-band and out-of-band DTMF (in audio, RFC2833, SIP INFO)  
Silence Suppression, VAD (voice activity detection), CNG (comfort noise  
generation), ANG (automatic gain control)  
Acoustic Echo Cancellation (AEC) with Acoustic Gain Control (AGC) for  
speakerphone mode, Support side tone  
Adaptive jitter buffer control (patent-pending) and packet delay & loss concealment  
3-way-conference, off-hook auto dial, auto answer, early dial and speed dial  
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Support NAT traversal using IETF STUN and Symmetric RTP  
Support for IEEE 802.1p/Q tagging (VLAN), Layer 3 TOS  
User specific URL for configuration file and firmware files  
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Using the GXP SIP Enterprise Phone  
GETTING FAMILIAR WITH THE LCD  
BT200 phone has a numeric LCD of 64mmx24mm size with backlight. This model has a small red LED  
status reminder. Here is the display when all segments illuminate:  
Figure 5: BT200 LCD  
When the phone is in the normal idle state, the backlight is off. Whenever an event (call) occurs, the  
backlight will turn on automatically to bring the user’s attention. In addition, if Voice Mail configured and  
there is a VM waiting, the red LED will be blinking to remind user there is a Voice Mail in the Voice Mail  
server.  
Table 5: LCD Icons  
Icon  
LCD Icon Definitions  
Connectivity Status / SIP Proxy/Server Icon:  
OFF – IP address of Sip server is not found  
ON – IP address of Sip server are located  
Blinking –Ethernet link failure or the phone is not registered properly  
Phone Status Icon:  
OFF when the handset is on-hook  
ON when the handset is off-hook  
Speaker Phone Status Icon:  
FLASH when phone rings  
OFF when the speakerphone is off  
ON when the speakerphone is on  
Handset and Speakerphone/Headset Volume Icons:  
0-7 scales to adjust handset / speakerphone volume  
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Real–time Clock:  
Synchronized to Internet time server  
AM  
PM  
Time zone configurable via web browser  
AM/PM indicator  
Call Logs:  
01-10 for CALLED history (dialed number)  
01-10 for CALLERS history (Incoming caller ID)  
Time Icon:  
AM for the morning  
PM for the afternoon  
AM  
PM  
IP Address Separator Icons  
Numerical Numbers and Characters:  
0 - 9  
* =  
# = ┘  
A, b, C, c, d, E, F, G, g, H, h, I, L, n, O, o, P, q, r, S, t, U, u, Y  
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GETTING FAMILIAR WITH KEYPAD  
LCD  
Up/Down Keys  
Message Waiting Indicator  
Menu Button  
Called  
Message  
Callers  
Hold  
Transfer  
Conference  
Flash  
Standard Keypad  
Speaker  
Send  
Mute/Delete  
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Table 6: BT200 Keypad Buttons  
Key Button Key Button Definitions  
0 - 9, *, #  
Digit, star and pound keys are usually used to make phone calls  
1) Reduce handset, speakerphone/headset volume after off hook the phone  
via handset or speaker  
2) Reduce ring tone volume when phone in IDLE and off hook to confirm the  
changed ring tone volume  
3) Next menu item browsing when phone is in IDLE mode after MENU key  
pressed, off hook to interrupt and exit  
Enter keypad MENU mode when phone is in IDLE mode.  
It is also the ENTER key once entering MENU  
MENU  
CALLED  
CALLERS  
After off hook, press to display the dialed numbers. When number displayed,  
press the SEND key can make call using that displayed number  
After off hook, press to display the incoming Caller IDs. When number  
displayed, press the SEND key can make call using that displayed number  
Enter to retrieve voice mails from Voice Mail Portal or Server  
Temporarily hold the active call  
MESSAGE  
HOLD  
Transfer the active call to another party  
Establish 3-way conferencing call  
TRANSFER  
CONFERENCE  
FLASH  
Flash event to switch between two lines  
Mute an active call; or Delete a key entry  
Also used to ‘REJECT’ incoming call.  
MUTE/DEL  
Dial a new number inputted or Redial the number last dialed. After entering  
the phone number, pressing this key would force a call to go out immediately  
before timeout  
SEND/(RE)DIAL  
Enter hands-free mode  
SPEAKERPHONE  
MENU  
Enter keypad MENU mode when phone is in IDLE mode.  
It is also the ENTER key once entering MENU  
After off hook, press to display the dialed numbers. When number displayed,  
press the SEND key can make call using that displayed number  
CALLED  
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MAKING PHONE CALLS  
Handset, Speakerphone and Headset Mode  
The regular Handset mode can be switched with either the Speaker mode (Hand free) or the Headset  
mode, however, whenever the Headset is plugged in, Speaker mode will be switched to the Headset  
mode automatically.  
To Switch between Handset and Speaker/Headset, simply press the Hook Flash in the Handset cradle or  
the Speaker button.  
Make Calls using Numbers  
There are FIVE ways to make phone calls:  
Pick up handset or press SPEAKERPHONE button, and then enter the phone numbers  
Press the SEND button directly to redial the number last called.  
Once pressed, the last dialed number will be displayed on the LCD as the corresponding DTMF  
tones are played out and an outgoing call is sent.  
Browse the CALLED/CALLER history and press the SEND/REDIAL button.  
Pick up the handset or press the speakerphone button, then press the “CALLED/CALLERS”  
button to browse thru the last 10 numbers dialed out. Once the desired number is identified and  
displayed on the LCD screen, press the SEND button and a new call to that displayed number will  
be sent out immediately.  
Examples:  
To dial another extension on the same proxy, such as 1008, simply pick up handset or press  
speakerphone, dial 1008 and then press the “SEND” button.  
To dial a PSTN number such as 6266667890, you might need to enter in some prefix number  
followed by the phone number. Please check with your VoIP service provider to get the  
information. If you phone is assigned with a PSTN-like number such as 6265556789, most likely  
you just follow the rule to dial 16266667890 as if you were calling from a regular analog phone,  
followed by pressing the “SEND” button.  
Make Calls using IP Address  
Direct IP calling allows two parties, that is, a BT200 and another VoIP Device, to talk to each other in an  
ad hoc fashion without a SIP proxy. This kind of VoIP calls can be made between two parties if:  
Both BT200 phone and other VoIP Device(i.e., another IP Phone or BT200 SIP phone or other  
VoIP unit) have public IP addresses, or  
Both BT200 phone and other VoIP Device are on the same LAN using private or public IP  
addresses, or  
Both BT200 phone and other VoIP Device can be connected through a router using public or  
private IP addresses (with necessary port forwarding or DMZ).  
This model has the ability to dial an IP address under the same LAN segment by simply pressing the last  
octet in the IP address.  
In the Advanced Settings page there is an option "Use Quick IP-call mode", by default it is set to No.  
When this option is set to YES, and #XXX is dialed, where X is 0-9 and XXX <=255, phone will make  
direct IP call to aaa.bbb.ccc.XXX where aaa.bbb.ccc comes from the local IP address REGARDLESS of  
subnet mask.  
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#XX or #X are also valid so leading 0 is not required (but OK).  
eg.  
192.168.0.2 calling 192.168.0.3 just dial #3 follow by SEND or #  
192.168.0.2 calling 192.168.0.23 just dial #23 follow by SEND or #  
192.168.0.2 calling 192.168.0.123 just dial #123 follow by SEND or #  
192.168.0.2 dial #3 and #03 and #003 has same effect --> call 192.168.0.3  
Note:- If you have a SIP Server configured, Direct IP-IP call will still work. However, if you are using  
STUN, Direct IP-IP call will also use STUN.  
OR  
To make a direct IP to IP call, first off hook, then press “MENU” key, then enter a 12-digit target IP  
address to make the call. If port is not default 5060, destination ports can be specified by using “*4”  
(encoding for “:”) followed by the port number.  
Examples:  
If the target IP address is 192.168.0.10, the dialing convention is  
MENU_key 192 168 000 010  
followed by pressing the “SEND” key or wait for seconds in the No Key Entry Timeout.  
If the target IP address/port is 192.168.1.20:5062, then the dialing convention would be:  
MENU_key 192168001020*45062  
followed by pressing the “SEND” key wait for seconds in the No Key Entry Timeout.  
Quick IP Call Mode  
The BT200 also supports Quick IP call mode. This enables the phone to make direct IP-calls, using only  
the last few digits (last octet) of the target phone’s IP-number.  
This is possible only if both phones are in under the same LAN/VPN. This simulates a PBX function using  
the CMSA/CD without a SIP server. Controlled static IP usage is recommended.  
Setting up the phone to make Quick IP calls  
To enable Quick IP calls, the phone has to be setup first. This is done through the web-setup function. In  
the “Advanced Settings” page, set the "Use Quick IP-call mode to YES. When #xxx is dialed, where x is  
0-9 and xxx <=255, a direct IP call to aaa.bbb.ccc.XXX is completed. “aaa.bbb.ccc” is from the local IP  
address regardless of subnet mask. The numbers #xx or #x are also valid. The leading 0 is not required  
(but OK).  
For example:  
192.168.0.2 calling 192.168.0.3 -- dial #3 follow by SEND or #  
192.168.0.2 calling 192.168.0.23 -- dial #23 follow by SEND or #  
192.168.0.2 calling 192.168.0.123 -- dial #123 follow by SEND or #  
192.168.0.2: dial #3 and #03 and #003 results in the same call -- call 192.168.0.3  
NOTE: If you have a SIP Server configured, a Direct IP-IP still works. If you are using STUN, the Direct  
IP-IP call will also use STUN. Configure the “Use Random Port” to “NO” when completing Direct IP calls.  
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Answer an Incoming Call  
There are two ways to answer an incoming call:  
1.  
2.  
Pick up the handset to answer the call normally using handset, or  
Press the SPEAKERPHONE button to answer in speakerphone or headset mode  
Call Hold  
While in conversation, pressing the “Hold” button will put the remote end on hold. Pressing the “Hold”  
button again will release the previously Hold state and resume the bi-directional media.  
Call Waiting and Call Flashing  
If call waiting feature is enabled, while the user is in a conversation, he will hear a special stutter tone if  
there is another incoming call. User then can press FLASH button to put the current call party on hold  
automatically and switch to the other call. Pressing flash button toggles between two active calls.  
Call Transfer  
Two transfer operations are supported.  
BLIND TRANSFER  
User can transfer an active call to a third party without announcement.  
User presses the “TRANSFER” button and if the other voice channel is available (i.e., there is no  
other active conversation besides the current one), user will hear a dial tone. User can then dial the  
third party’s phone number followed by pressing SEND button.  
NOTE:  
Enable Call Feature” has to be configured to “Yes” in web configuration page in order to make  
the features to work.  
A can hold on to the phone and wait for one of the three following behaviors:  
A quick confirmation tone (temporarily using the call waiting indication tone) follows by a  
dial tone. This indicates the transfer has been successful. At this point, the user can either hang  
up or make another call.  
A quick busy tone followed by a restored call (On supported platforms only). This means the  
transfer has failed due to the failed response sent from server and the phone will try to recover  
the call. The busy tone is just to indicate to the transferor that the transfer has failed.  
Busy tone keeps playing. This means the phone has failed to receive the final response and  
decide to time out. Be advised that this does not indicate the transfer has been successful, nor  
does it indicate the transfer has failed.  
ATTENDED TRANSFER  
User can transfer an active call to a third party with announcement.  
User presses the “FLASH” button and hears a dial tone, then dial the third party’s phone number  
followed by pressing “SEND” button. If the call is answered, press “TRANSFER” to complete the  
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transfer operation and hand up, if the call is not answered, pressing “FLASH” button to resume the  
original call.  
NOTE:  
When Attended Transfer failed, if A hangs up, the BudgeTone phone will ring user A back again  
to remind A that B is still on the call. A can pick up the phone to restore conversation with B.  
Conference Call  
BT200 phone supports 3-way conference.  
Assuming that call party A and B are in conversation. A wants to bring C in a conference:  
1. A presses the “CONFERENCE” button to get a dial tone and put B on hold  
2. A dials C’s number then “SEND” key to make the call  
3. If C answers the call, then A presses “CONFERENCE” button to bring B, C in the conference.  
4. If C does not answer the call, A can press FLASH back to talk to B.  
NOTE:  
During the conference, if B or C drops the call, the remaining two parties can still talk.  
However, if A the conference initiator hangs up, all calls will be terminated.  
Checking Message and Message Waiting Indication  
When BudgeTone-200 is on-hook, pressing the MESSAGE button will trigger the phone to call the VM  
Server (VMS) configured for the Account.  
The MWI (Message Waiting Indicator) LED will flash in red color in three quarters of a second when  
voicemail server sends message waiting information to BudgeTone-200.  
Mute and Delete  
When in conversation with an ACTIVE LINE, pressing “MUTE/DEL” will mute the conversation, that is,  
you can hear the other party but the other party cannot hear you. Pressing the button again will resume  
the conversation.  
When dialing a number, press “MUTE/DEL” will delete the last entered digit.  
When receiving incoming call, press “MUTE/DEL” will Reject the call and forward to voice mail.  
CALL FEATURES  
BT200 series phone supports a list of call features: Caller ID Block (or Anonymous Call), Disable/Enable  
Call Waiting, Call Forward on Busy, Delay, or Unconditional, etc.  
Following table shows the call features of BudgeTone-200 series phone.  
Table 7: BT200 Call Features  
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Key  
*30  
*31  
*67  
*82  
*70  
*71  
*72  
Call Features  
Block Caller ID (for all subsequent calls)  
Send Caller ID (for all subsequent calls)  
Block Caller ID (per call)  
Send Caller ID (per call)  
Disable Call Waiting (per Call)  
Enable Call Waiting (per Call)  
Unconditional Call Forward  
To use this feature, dial “*72” and get the dial tone. Dial the forward number and “#”  
for a dial tone, then hang up.  
*73  
*90  
Cancel Unconditional Call Forward  
To cancel “Unconditional Call Forward”, dial “*73” and get the dial tone, then hang  
up.  
Busy Call Forward  
To use this feature, dial “*90” and get the dial tone. Dial the forward number and “#”  
for a dial tone, then hang up.  
*91  
*92  
Cancel Busy Call Forward  
To cancel “Busy Call Forward”, dial “*91” and get the dial tone, then hang up.  
Delayed Call Forward  
To use this feature, dial “*92” and get the dial tone. Dial the forward number and “#”  
for a dial tone, then hang up.  
*93  
Cancel Delayed Call Forward  
To cancel this Forward, dial “*93” and get the dial tone, then hang up.  
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Configuration Guide  
The BT200 can be configured in two ways. Firstly, using the Key Pad Configuration Menu on the phone;  
secondly, through embedded web-configuration menu.  
CONFIGURATION VIA KEYPAD  
The BT200 keypad is the same as a traditional phone, with additional feature functionality including  
speaker, menu keys, LCD navigation keys, and advanced feature keys which include hold, transfer,  
conference and flash.  
1. Be sure the phone is idle.  
2. Press the MENU button to enter the keypad MENU to configure the phone.  
Using the Keypad  
1. To enter the MENU, press MENU button.  
2. Navigate the menu by using the UP/DOWN  
3. Press the MENU button to confirm a menu selection.  
4. To delete an entry by pressing the MUTE/DEL button.  
Press the MENU button to enter the key the Key Pad Menu. The menu options available are listed in table 8.  
Table 8: Key Pad Configuration Menu  
Manual Option Call Features  
1
Display “[1] dhcP On or [1] dhcP oFF” for the current selection  
Press MENU key to enter edit mode  
2
Display “[2] IP Addr ”  
Press MENU to display the current IP address  
Enter new IP address if DHCP is OFF  
3
4
5
6
7
8
Display “[3] SubNet ”  
Press MENU to display the Subnet mask  
Enter new Subnet mask if DHCP is OFF  
Display “[4] routEr ”  
Press MENU to display the Router/Gateway address  
Enter new Router/Gateway address if DHCP is OFF  
Display “[5] dnS ”  
Press MENU to display the DNS address  
Enter new DNS address if DHCP is OFF  
Display “[6] tFtP ”  
Press MENU to display the TFTP address  
Enter new TFTP server IP address  
Display “[7] G-711u 2”  
Press MENU to select new codec  
Press ‘’ or ’’ to browse a list of available codecs  
Display “[8] codE rEL”  
Press Menu to display the code releases  
Press ‘’ or ’’ to browse  
9
Display “[9] Phy Addr”  
Press MENU to display the physical / MAC address.  
10  
Display “[10] ring 0”  
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Press MENU to hear the selected ring tone, press ‘’ or ’’ to select the stored ring tones.  
11  
Display “[11]trANSPOrt”  
Press MENU to select SIP Transport.  
Factory Reset  
Display “ -- rESEt --”. Please be very careful when using this function.  
Two options: factory reset or manual reboot.  
Factory Reset:  
1. Key in the physical / MAC address on back of the phone.  
2. Press MENU to reset phone to FACTORY DEFAULT settings. All your setting will be  
erased.  
Manual Reboot: Press MENU without keying anything.  
Others  
When phone is powered on and time is displayed  
Press ‘’ or ’’, Display “ ring [4] ”, press ‘’ or ’’ again to hear and adjust the ring tone  
volume, from 0 (off) to 7 (maximum), off and on hook to set  
Press SPEAKERPHONE button, or off hook and pick up handset, press ‘’ or ’’ to adjust  
the speakerphone/headset or handset volume  
CONFIGURATION VIA WEB BROWSER  
The BT200 embedded Web server responds to HTTP/HTTPS GET/POST requests. Embedded HTML  
pages allow a user to configure the IP phone through a Web browser such as Microsoft’s IE or Mozilla  
Firefox.  
Access the Web Configuration Menu  
To access the phone’s Web Configuration Menu  
Connect the computer to the same network as the phone1  
Make sure the phone is turned on and shows its IP-address  
Start a Web-browser on your computer  
Enter the phone’s IP-address in the address bar of the browser2  
Enter the administrator’s password to access the Web Configuration Menu3  
1
2
3
The Web-enabled computer has to be connected to the same sub-network as the phone. This can  
easily be done by connecting the computer to the same hub or switch as the phone is connected to. In  
absence of a hub/switch (or free ports on the hub/switch), please connect the computer directly to the  
phone using the PC-port on the phone.  
If the phone is properly connected to a working Internet connection, the phone will display its IP  
address. This address has the format: xxx.xxx.xxx.xxx, where xxx stands for a number from 0-255. You  
will need this number to access the Web Configuration Menu. e.g. if the phone shows 192.168.0.60,  
please use “http://192.168.0.60” in the address bar your browser.  
The default administrator password is “admin”; the default end-user password is “123”.  
NOTE: When changing any settings, always SUBMIT them by pressing the button on the bottom of the  
page. Reboot the phone to have the changes take effect. If, after having submitted some changes, more  
settings have to be changed, press the menu option needed.  
Definitions  
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This section will describe the options in the Web configuration user interface. As mentioned, a used can  
log in as an administrator or end-user.  
Functions available for the end-user are:  
Status: Displays the network status, account statuses, software version and MAC-address of the  
phone  
Basic: Basic preferences such as date and time settings, multi-purpose keys and LCD settings  
can be set here.  
Additional functions available to administrators are:  
Advanced Settings: To set advanced network settings, codec settings.  
Account: To configure each of the SIP accounts.  
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Table 9: Device Configuration - Status  
MAC Address  
IP Address  
The device ID, in HEXADECIMAL format.  
This field shows IP address of BT200  
Product Model  
Software Version  
This field contains the product model information.  
Program: This is the main software (firmware) release number, always used to  
identify the software (firmware) system of the phone.  
Boot: Booting code version number  
System Up Time  
Registered  
This field shows system up time since the last reboot.  
Indicates whether accounts are registered to the related SIP server(s). BT200 can  
support four unique SIP profiles.  
PPPoE Link Up  
Indicates whether the PPPoE connection is enabled (connected to a modem).  
Table 10: Device Configuration – Basic Settings  
End User  
Password  
This contains the password to access the Web Configuration Menu. This field is  
case sensitive with a maximum length of 25 characters.  
IP Address  
There BT200 operates in two modes:  
1. DHCP mode: all the field values for the Static IP mode are not used (even  
though they are still saved in the Flash memory.) The BT200 acquires its IP  
address from the first DHCP server it discovers on its LAN. The DHCP  
option is reserved for NAT router mode. To use the PPPoE feature, set the  
PPPoE account settings. The BT200 establishes a PPPoE session if any of  
the PPPoE fields are set.  
2. Static IP mode: configure all of the following fields: IP address, Subnet  
Mask, Default Router IP address, DNS Server 1 (primary), DNS Server 2  
(secondary). These fields are set to zero by default.  
Time Zone  
This parameter controls the date/time display according to the specified time zone.  
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This parameter controls time displayed in daylight savings time. If set to “Yes”, then the  
displayed time will be 1 hour ahead of normal time.  
Daylight Savings Time  
The “Optional Rule” is configured to automatically adjust the Daylight Savings Time (DST)  
based on the rule set in this field.  
Rule Syntax:  
start-time; end-time; saving  
Both start-time and end-time have the same syntax: month,day,weekday,hour,minute  
o
o
o
month: 1,2,3,..,12 (for Jan, Feb, .., Dec)  
day: [+|-]1,2,3,..,31  
weekday: 1, 2, 3, .., 7 (for Mon, Tue, .., Sun), or 0 which means the daylight  
saving rule is not based on week days but based on the day of the month.  
hour: hour (0-23), minute: minute (0-59)  
o
If “weekday” is 0, it means the date to start or end daylight saving is at exactly the given date.  
In that case, the “day” value must not be negative. If “weekday” is not zero and “day” is  
positive, then the daylight saving starts on the first “day” the iteration of the weekday (e.g.:  
1st Sunday, 3rd Tuesday etc). If “weekday” is not zero and “day” is negative, then the  
daylight saving starts on the last “day” the iteration of the weekday (e.g.: last Sunday, 3rd last  
Tuesday etc).  
The saving is in the unit of minutes. The saving time may also be preceded by a negative (-)  
sign if subtraction is desired instead of addition.  
The default value is set for US, the “Automatic Daylight Saving Time Rule” shall be set to  
“3,2,7,2,0;11,1,7,2,0;60”  
Examples  
US/Canada where daylight saving time is applicable:  
03,02,7,02,00;11,1,7,02,00;60  
This means the daylight saving time starts from the second Sunday of March at 2AM and  
ends the first Sunday of November at 2AM. The saving is 60 minutes.  
Date Display Format  
Choose one of the following formats:  
Year-Month-Day  
Month-Day-Year  
Day-Month-Year  
Display Account Name  
instead of Date  
Choose to display Account Name or date on LCD.  
Mute Speaker Ringer  
in Headset Mode  
Default is No. This field lets user to choose whether to ring the phone Speaker  
when headset is connected.  
Advanced User configuration includes not only the end user configuration, but also advanced  
configuration such as SIP configuration, Codec selection, NAT Traversal Setting and other miscellaneous  
configuration.  
Table 11: Advanced Settings  
Admin  
Password  
Administrator password. Only the administrator can access the “Advanced Settings” and  
“Account Settings” page. Password field is purposely blank for security reasons after  
clicking update and saved. The maximum password length is 25 characters.  
G723 rate  
Encoding rate for G723 codec. By default, 6.3kbps rate is set.  
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iLBC frame size iLBC packet frame size. Default is 20ms. For Asterisk PBX, 30ms might be required.  
iLBC payload  
type  
Payload type for iLBC. Default value is 97. The valid range is between 96 and 127.  
Silence  
Suppression  
This controls the silence suppression/VAD feature of the audio codec G.723 and G.729.  
If set to “Yes”, when silence is detected, a small quantity of VAD packets (instead of  
audio packets) will be sent during the period of no talking. If set to “No”, this feature is  
disabled.  
Voice Frames  
per TX  
This field contains the number of voice frames to be transmitted in a single Ethernet  
packet (be advised the IS limit is based on the maximum size of Ethernet packet is 1500  
byte (or 120kbps)).  
When setting this value, be aware of the requested packet time (ptime, used in SDP  
message) is a result of configuring this parameter. This parameter is associated with the  
first codec in the above codec Preference List or the actual used payload type  
negotiated between the 2 conversation parties at run time. e.g., if the first codec is  
configured as G.723 and the “Voice Frames per TX” is set to 2, then the “ptime” value in  
the SDP message of an INVITE request will be 60ms because each G.723 voice frame  
contains 30ms of audio. Similarly, if this field is set to 2 and the first codec is G.729 or  
G.711 or G.726, then the “ptime” value in the SDP message of an INVITE request will be  
20ms.  
If the configured voice frames per TX exceeds the maximum allowed value, the IP phone  
will use and save the maximum allowed value for the corresponding first codec choice.  
The maximum value for PCM is 10 (x10ms) frames; for G.726, it is 20 (x10ms) frames;  
for G.723, it is 32 (x30ms) frames; for G.729/G.728, 64 (x10ms) and 64 (x2.5ms) frames  
respectively.  
Please be careful when editing these parameters. Adjusting these parameters will also  
change the dynamic jitter buffer. The BT200 has a patent dynamic jitter buffer handling  
algorithm. The jitter buffer range is 20 ~ 200 ms.  
Grandstream recommends using the default settings provided. Grandstream does not  
recommend adjusting these parameters if you are an average user. Incorrect settings  
will affect the voice quality.  
Please refer to the Codec FAQ at  
http://www.grandstream.com/faqscodec.html for more technical detail.  
Layer 3 QoS  
Layer 2 QoS  
This field defines the layer 3 QoS parameter. It is the value used for IP Precedence or  
Diff-Serv or MPLS. Default value is 48.  
This contains the value used for layer 2 VLAN tag. Default setting is blank.  
Default is 4 seconds.  
No Key Entry  
Timeout  
Use # as  
Dial Key  
This parameter allows users to configure the “#” key as the “Send” (or “Dial”) key. If set  
to “Yes”, the “#” key will immediately send the call. In this case, this key is essentially  
equivalent to the “Dial” key. If set to “No”, the “#” key is included as part of the dial string.  
Local RTP port This parameter defines the local RTP-RTCP port pair used to listen and transmit. It is the  
base RTP port for channel 0. When configured, channel 0 will use this port _value for  
RTP and the port_value+1 for its RTCP; channel 1 will use port_value+2 for RTP and  
port_value+3 for its RTCP. The default value is 5004.  
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Use Random  
Port  
This parameter, when set to “Yes”, will force random generation of both the local SIP  
and RTP ports. This is usually necessary when multiple BT200s are behind the same  
NAT. Default is No.  
Keep-alive  
interval  
This parameter specifies how often the BT200 sends a blank UDP packet to the SIP  
server in order to keep the “hole” on the NAT open. Default is 20 seconds.  
Use NAT IP  
NAT IP address used in SIP/SDP message. Default is blank.  
STUN Server  
IP address or Domain name of the STUN server. STUN resolution result will display in  
the STATUS page of the Web UI.  
Firmware  
Upgrade and  
Provisioning  
Default method is HTTP. Firmware upgrade may take up to 10 minutes depending on  
network environment. Do not interrupt the firmware upgrading process.  
Via TFTP Server This is the IP address of the configured TFTP server. If selected and it is non-zero or not  
blank, the BT200 will attempt to retrieve a new configuration file or new code image from  
the specified TFTP server at boot time. It will make up to 3 attempts before timeout and  
then it will start the boot process using the existing code image in the Flash memory. If a  
TFTP server is configured and a new code image is retrieved, the new downloaded  
image will be verified and then saved into the Flash memory.  
Note: Grandstream strongly recommends that the user upgrade firmware locally in a  
LAN environment if using TFTP to upgrade. Please do NOT interrupt the TFTP upgrade  
process (especially the power supply) as this will damage the device.  
Via HTTP  
Server  
The HTTP server URL used for firmware upgrade and configuration via HTTP. For  
Here “:6688” is the specific TCP port that the HTTP server is using; omit if using default  
port 80.  
Note: If Auto Upgrade is set to No, BT200 will only perform HTTP download once at  
boot up.  
Config Server  
Path  
IP address or domain name of firmware server.  
Firmware File  
Prefix/Postfix  
Default is blank. If configured, BT200 will request the firmware file with the prefix/postfix.  
This setting is useful for ITSPs. End user should keep it blank.  
Config File  
Prefix/Postfix  
Default is blank. End user should keep it blank.  
Allow DHCP  
Option 66 to  
override server  
Default is Yes. This allows device gets provisioned automatically.  
Authenticate  
Conf File  
Default is “No”. If set to “Yes”, configuration file would be authenticated before  
acceptance. End user should use default setting.  
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Automatic  
Upgrade  
This function is used by ITSP. End user should NOT touch these parameters.  
Default is No. Choose “Yes” to enable automatic HTTP upgrade and provisioning.  
In “Check for upgrade every” field, enter the number of minutes to check the HTTP  
server for firmware upgrade or configuration changes. When set to “No”, the phone will  
only perform HTTP upgrade and configuration check once at boot up.  
Offhook Auto  
Dial  
To configure a User ID/extension to dial automatically when the phone is taken offhook.  
DTMF Payload  
Type  
This parameter sets the payload type for DTMF using RFC2833. Default is 101.  
Onhook  
Threshold  
Time period when the cradle is pressed (Hook Flash) to simulate FLASH. To prevent  
unwanted activation of the Flash/Hold and automatic phone ring-back, adjust this time  
value.  
Syslog Server  
Syslog Level  
The IP address or URL of System log server. This feature is especially useful for ITSPs.  
Select the ATA to report the log level. Default is NONE. The level is one of DEBUG,  
INFO, WARNING or ERROR. Syslog messages are sent based on the following events:  
product model/version on boot up (INFO level)  
NAT related info (INFO level)  
sent or received SIP message (DEBUG level)  
SIP message summary (INFO level)  
inbound and outbound calls (INFO level)  
registration status change (INFO level)  
negotiated codec (INFO level)  
Ethernet link up (INFO level)  
SLIC chip exception (WARNING and ERROR levels)  
memory exception (ERROR level)  
The Syslog uses USER facility. In addition to standard Syslog payload, it contains the  
following components: GS_LOG: [device MAC address][error code] error message  
For example: May 19 02:40:38 192.168.1.14 GS_LOG: [00:0b:82:00:a1:be][000].  
Ethernet link is up.  
NTP server  
This parameter defines the URI or IP address of the NTP (Network Time Protocol) serve.  
It is used to display the current date/time.  
Distinctive Ring Caller ID must be configured. Select a Distinctive Ring Tone 1 through 3 for a particular  
Tone  
Caller ID. The BT200 will ONLY use selected ring tones for particular Caller IDs. For all  
other calls, the BT200 will use System Ring Tone. When selected and no Caller ID is  
configured, the selected ring tone will be used for all incoming calls.  
System Ring  
Tone  
System ring tone. Default is North American standard.  
Adjust system ring tone frequencies and cadences based on local telecom standard.  
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Call Progress  
Tones  
Using these settings, users can configure ring or tone frequencies based on parameters  
from local telecom. By default, they are set to North American standard.  
Frequencies should be configured with known values to avoid uncomfortable high pitch  
sounds.  
Syntax: f1=val,f2=val[,c=on1/off1[-on2/off2[-on3/off3]]];  
(Frequencies are in Hz and cadence on and off are in 10ms)  
ON is the period of ringing (“On time” in ‘ms’) while OFF is the period of silence. In order  
to set a continuous ring, OFF should be zero. Otherwise it will ring ON ms and a pause  
of OFF ms and then repeat the pattern. Up to three cadences are supported.  
Disable Call  
Waiting  
Default is No. If set to Yes, the call waiting will be disabled.  
Use Quick IP  
Call Mode  
Dial an IP address under the same LAN/VPN segment by entering the last octet in the IP  
address.  
In the Advanced Settings page there is an option "Use Quick IP-call mode". Default  
setting is No. When set to YES, and #XXX is dialed, where X is 0-9 and XXX <=255,  
phone will make direct IP call to aaa.bbb.ccc.XXX where aaa.bbb.ccc comes from the  
local IP address REGARDLESS of subnet mask.  
#XX or #X are also valid so leading 0 is not required (but OK). See Quick IP Call Mode  
for details.  
Lock keypad  
update  
If set to “Yes”, the configuration changes via keypad are disabled.  
Table 12: SIP Account Settings  
Account Name  
SIP Server  
The name associated with each account - displayed on LCD.  
SIP Server’s IP address or Domain name provided by VoIP service provider.  
Outbound Proxy  
IP address or Domain name of Outbound Proxy, Media Gateway, or Session  
Border Controller. Used for firewall or NAT penetration in different network  
environment. If the system detects symmetric NAT, STUN will not work. ONLY  
outbound proxy can provide solution for symmetric NAT.  
SIP User ID  
User account information provided by VoIP service provider (ITSP); either an  
actual phone number or formatted like one.  
Authenticate ID  
SIP service subscriber’s Authenticate ID used for authentication. It can be  
identical to or different from SIP User ID.  
Authenticate Password SIP service subscriber’s account password for BT200 to register to (SIP) servers  
of ITSP.  
Name  
SIP service subscriber’s name that is used for Caller ID display.  
Use DNS SRV  
Default is No. If set to “Yes”, the client will use DNS SRV to look up server.  
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User ID is Phone  
Number  
If the phone has an assigned PSTN telephone number, this field should be set to  
“Yes”. Otherwise, set it to “No”. If “Yes” is set, a “user=phone” parameter will be  
attached to the “From” header in SIP request  
SIP Registration  
This parameter controls sending REGISTER messages to the proxy server. The  
default setting is “Yes”.  
Un-register on Reboot  
Register Expiration  
Default is No. If set to “Yes”, the SIP user’s registration information will be  
cleared on reboot.  
This parameter allows user to specify the time frequency (in minutes) that BT200  
refreshes its registration with the specified registrar. The default interval is 60  
minutes. The maximum interval is 65,535 minutes (about 45 days).  
Local SIP Port  
This parameter defines the local SIP port used to listen and transmit. The default  
value for Account 1 is 5060. It is 5062, 5064, 5066 for Account 2, Account 3 and  
Account 4 respectively.  
SIP Registration Failure Retry registration if the process failed. Default is 20 seconds.  
Retry Wait Time  
SIP T1 Timeout  
SIP T2 Interval  
SIP Transport  
RFC 3261 SIP T1 timer. Default is 1 second.  
RFC 3261 SIP T2 timer. Default is 0.5 seconds.  
Choose SIP Transport between UDP and TCP. Default is UDP.  
Use RFC3581  
Symmetric Routing  
This option allows a SIP client to request that the server send the response back  
to the source IP address and port from which the request originated.  
NAT Traversal (STUN)  
This parameter activates the NAT traversal mechanism. If activated (by choosing  
“Yes”) and a STUN server is also specified, the phone performs according to the  
STUN client specification. Using this mode, the embedded STUN client detects if  
and what type of NAT/Firewall configuration is used. If the detected NAT is a Full  
Cone, Restricted Cone, or a Port-Restricted Cone, the phone will use its mapped  
public IP address and port in all of its SIP and SDP messages. If the NAT  
Traversal field is set to “Yes” with no specified STUN server, the BT200 will  
periodically (every 20 seconds or so) send a blank UDP packet (with no payload  
data) to the SIP server to keep the “hole” on the NAT open.  
Subscribe for MWI  
Default is No. When set to “Yes” a SUBSCRIBE for Message Waiting Indication  
will be sent periodically.  
Proxy-Require  
SIP Extension to notify SIP server that the unit is behind the NAT/Firewall.  
Voice Mail UserID  
When configured, user can access messages by pressing “MSG” button. This ID  
is usually the VM portal access number.  
Send DTMF  
This parameter specifies the mechanism to transmit DTMF digit. There are 3  
supported modes: in audio which means DTMF is combined in audio signal (not  
very reliable with low-bit-rate codec), via RTP (RFC2833), or via SIP INFO.  
Early Dial  
Default is No. Use only if proxy supports 484 response.  
Sets the prefix added to each dialed number.  
Dial Plan Prefix  
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Delayed Call Forward  
Wait Time  
Time waited before the call is forward to a number or VM.  
Default is 20 seconds.  
Enable Call Features  
Disable Call Log  
Default is Yes. If set to “Yes”, all star code call features will be supported locally.  
User can choose to disable Call Log.  
Session Expiration  
The SIP Session Timer extension enables SIP sessions to be periodically  
“refreshed” via a SIP request (UPDATE, or re-INVITE. Once the session interval  
expires, if there is no refresh via a UPDATE or re-INVITE message, the session is  
terminated.  
Session Expiration is the time (in seconds) at which the session is considered  
timed out, provided no successful session refresh transaction occurs beforehand.  
The default value is 180 seconds.  
Min-SE  
Defines the minimum session expiration (in seconds). Default is 90 seconds.  
Caller Request Timer  
If set to “Yes”, the phone will use session timer when it makes outbound calls if  
remote party supports session timer.  
Callee Request Timer  
Force Timer  
If selecting “Yes”, the phone will use session timer when it receives inbound calls  
with session timer request.  
If set to “Yes”, the phone will use session timer even if the remote party does not  
support this feature. If set to “No”, the session timer is enabled only when the  
remote party supports this feature. To turn off Session Timer, select “No” for  
Caller Request Timer, Callee Request Timer, and Force Timer.  
UAC Specify Refresher As a Caller, select UAC to use the phone as the refresher, or UAS to use the  
Callee or proxy server as the refresher.  
UAS Specify Refresher As a Callee, select UAC to use caller or proxy server as the refresher, or UAS to  
use the phone as the refresher.  
Force INVITE  
Enable 100rel  
Session Timer can be refreshed using INVITE method or UPDATE method.  
Select “Yes” to use INVITE method to refresh the session timer.  
PRACK (Provisional Acknowledgment) method enables reliability to SIP  
provisional responses (1xx series). This is required to support PSTN inter-  
networking..  
Account Ring Tone  
There are 4 uniquely defined ring tones:  
One (1) System Ring Tone: when selected, all calls will ring with system  
ring tone.  
Three (3) Customer Ring Tones: when selected, incoming calls from  
designated account will play selected ring tone.  
Send Anonymous  
If this parameter is set to “Yes”, the “From” header in outgoing INVITE message  
will be set to anonymous, essentially blocking the Caller ID from displaying.  
Anonymous Method  
Whether to use “sip:[email protected]>” in the From Header or P-  
Asserted-Identity header.  
Anonymous Call  
Rejection  
Default is NO. If set to YES, anonymous call will be rejected  
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Auto Answer  
Default is No. If set to “Yes”, BT200 will automatically switch on speaker to  
answer the incoming call. Set to Intercom/Paging mode, it will answer the call  
based on the SIP info header from the server.  
Allow Auto Answer by  
Call-Info  
If the Call-Info header contains answer-after=0, the call be answered  
automatically (so called paging mode).  
Turn off speaker on  
remote disconnect  
When BYE is received, the phone will turn off its speaker automatically.  
Check SIP User ID for  
incoming INVITE  
Check the SIP User ID in Request URI. If they don’t match, the call will be  
rejected.  
Refer-To Use Target  
Contact  
Default is NO. If set to YES, then for Attended Transfer, the “Refer-To” header  
uses the transferred target’s Contact header information.  
Disable Multiple Media Default is No.  
Attribute in SDP  
Preferred Vocoder  
BT200 supports up to 5 different Vocoder types including G.711(a/µ) (also known  
as PCMU/PCMA), GSM, G.723.1, G.729A/B.  
Configure Vocoders in a preference list that is included with the same preference  
order in SDP message. Enter the first Vocoder in this list by choosing the  
appropriate option in “Choice 1”. Similarly, enter the last Vocoder in this list by  
choosing the appropriate option in “Choice 8”.  
SRTP Mode  
Enable SRTP mode based on selection. Default is No.  
Special Feature  
Default is Standard. Choose the selection to meet special requirements from Soft  
Switch vendors.  
SAVING THE CONFIGURATION CHANGES  
After the user makes a change to the configuration, press the “Update” button in the Configuration Menu.  
The web browser will then display a message window to confirm saved changes.  
Grandstream recommends reboot or power cycle the IP phone after saving changes.  
REBOOTING THE PHONE REMOTELY  
Press the “Reboot” button at the bottom of the configuration menu to reboot the phone remotely. The web  
browser will then display a message window to confirm that reboot is underway. Wait 30 seconds to log in  
again.  
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Software Upgrade & Customization  
Software (or firmware) upgrades are completed via either TFTP or HTTP. The corresponding  
configuration settings are in the ADVANCED SETTINGS configuration page.  
FIRMWARE UPGRADE THROUGH TFTP/HTTP  
To upgrade via TFTP or HTTP, select TFTP or HTTP upgrade method. “Upgrade Server” needs to be set  
to a valid URL of a HTTP server. Server name can be in either FQDN or IP address format. Here are  
examples of some valid URLs.  
firmware.mycompany.com:6688/Grandstream/1.1.5.15  
168.75.215.189  
There are two ways to set up the Upgrade Server to upgrade firmware: via Key Pad Menu and Web  
Configuration Interface.  
Key Pad Menu  
Only TFTP would be used when configure the phone using key pad. To configure the Upgrade Server via  
Key Pad Menu options, select “[6]tFtP” from the Main Menu, then press MENU button to enter this option.  
Enter the 12-digit IP address. Then, press MENU button to save. Must reboot the phone to take effect.  
Web Configuration Interface  
To configure the Upgrade Server via the Web configuration interface, open the web browser. Enter the  
BT200 IP address. Enter the admin password to access the web configuration interface. In the  
ADVANCED SETTINGS page, enter the Upgrade Server’s IP address or FQDN in the “Firmware Server  
Path” field. Select TFTP or HTTP upgrade method. Update the change by clicking the “Update” button.  
“Reboot” or power cycle the phone to update the new firmware.  
During this stage, the LCD will display the firmware file downloading process. If a firmware upgrade fails  
for any reason (e.g., TFTP/HTTP server is not responding, there are no code image files available for  
upgrade, or checksum test fails, etc), the phone will stop the upgrading process and re-boot using the  
existing firmware/software.  
Firmware upgrades take around 60 seconds in a controlled LAN or 5-10 minutes over the Internet.  
Grandstream recommends completing firmware upgrades in a controlled LAN environment whenever  
possible.  
No Local TFTP Server  
For users who do not have a local TFTP server, Grandstream provides a NAT-friendly TFTP server on  
the public Internet for users to download the latest firmware upgrade automatically. Please check the  
Support/Download section of our website to obtain this TFTP server IP address:  
Alternatively, download and install a free TFTP or HTTP server to the LAN to perform firmware upgrades.  
A free Windows version TFTP server is available:  
customerFree.cfm.  
Grandstream Networks, Inc.  
BT200 User Manual  
Page 31 of 33  
Firmware 1.1.5.15  
Last Updated: 01/2008  
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Instructions for local TFTP Upgrade:  
1. Unzip the file and put all of them under the root directory of the TFTP server.  
2. The PC running the TFTP server and the BT200 should be in the same LAN segment.  
3. Go to File -> Configure -> Security to change the TFTP server's default setting from  
"Receive Only" to "Transmit Only" for the firmware upgrade.  
4. Start the TFTP server, in the phone’s web configuration page  
5. Configure the Firmware Server Path with the IP address of the PC  
6. Update the change and reboot the unit  
User can also choose to download the free HTTP server from http://httpd.apache.org/ or use Microsoft IIS  
web server.  
NOTE:  
When BT200 phone boots up, it will send TFTP or HTTP request to download configuration file  
“cfg000b82xxxxxx”, where “000b82xxxxxx” is the MAC address of the BT200 phone. This file is  
for provisioning purpose. For normal TFTP or HTTP firmware upgrades, the following error  
messages in a TFTP or HTTP server log can be ignored: TFTP Error from [IP ADRESS]  
requesting cfg000b82023dd4 : File does not exist. Configuration File Download”  
CONFIGURATION FILE DOWNLOAD  
The BT200 can be configured via Web Interface as well as via Configuration File through TFTP or HTTP.  
“Config Server Path” is the TFTP or HTTP server path for the configuration file. It needs to be set to a  
valid URL, either in FQDN or IP address format.  
A configuration parameter is associated with each particular field in the web configuration page.  
A
parameter consists of a Capital letter P and 2 to 4 digit numeric numbers. i.e., P2 is associated with  
“Admin Password” in the ADVANCED SETTINGS page. For a detailed parameter list, please refer to the  
corresponding configuration template of the firmware.  
Once the BT200 boots up (or re-booted), it will request a configuration file named “cfgxxxxxxxxxxxx”,  
where “xxxxxxxxxxxx” is the MAC address of the device, i.e., “cfg000b820102ab”. The configuration file  
name should be in lower cases.  
Managing Firmware and Configuration File Download  
When “Automatic Upgrade” is set to “Yes”, a Service Provider can use P193 (Auto Check Interval, in  
minutes, default and minimum is 60 minutes) to have the devices periodically check for upgrades at pre-  
scheduled time intervals. By defining different intervals in P193 for different devices, a Server Provider  
can manage and reduce the Firmware or Provisioning Server load at any given time.  
Grandstream Networks, Inc.  
BT200 User Manual  
Page 32 of 33  
Firmware 1.1.5.15  
Last Updated: 01/2008  
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Restore Factory Default Setting  
WARNING: Restoring the Factory Default Setting will delete all configuration information of the phone.  
Please backup or print all the settings before you restoring factory default settings. Grandstream is not  
responsible for restoring lost parameters and cannot connect your device to your VoIP service provider.  
INSTRUCTIONS FOR RESTORATION:  
Step 1: Press the MENU button for Key Pad Menu options and press the Up button to see “reset”.  
Step 2: Enter the MAC address printed on the bottom of the sticker. Please use the following  
mapping:  
0-9: 0-9  
A: 22 (press the “2” key twice, “A” will show on the LCD)  
B: 222  
C: 2222  
D: 33 (press the “3” key twice, “D” will show on the LCD)  
E: 333  
F: 3333  
Example: if the MAC address is 000b8200e395, it should be key in as “0002228200333395”.  
NOTE: If there are digits like “22” in the MAC, you need to type “2” then press “->” right arrow key to  
move the cursor or wait for 4 seconds to continue to key in another “2”.  
Step 3: Press the MENU button again. If the MAC address is correct, the phone will reboot. Wait for  
phone reboot and the LCD backlight finish flashing.  
Grandstream Networks, Inc.  
BT200 User Manual  
Page 33 of 33  
Firmware 1.1.5.15  
Last Updated: 01/2008  
Download from Www.Somanuals.com. All Manuals Search And Download.  

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