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GXV-3000 User Manual Grandstream Networks, Inc.
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Callee Request Timer
If selecting “Yes” the phone will use session timer when it receives inbound
calls with session timer request.
Force Timer
If selecting “Yes” the phone will use session timer even if the remote party
does not support this feature. Selecting “No” will allow the phone to enable
session timer only when the remote party support this feature.
To turn off Session Timer, select “No” for Caller Request Timer, Callee Re-
quest Timer, and Force Timer.
UAC Specify Re-
fresher
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 Re-
fresher
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
Session Timer can be refreshed using INVITE method or UPDATE method.
Select “Yes” to use INVITE method to refresh the session timer.
Enable 100rel
The use of the PRACK (Provisional Acknowledgment) method enables reli-
ability to be offered to SIP provisional responses (1xx series). This is very im-
portant if PSTN internetworking is to be supported. A user’s wish to use reli-
able provisional responses is invoked by the 100rel tag which is appended to
the value of the required header of initial signalling messages.
Account Ring Tone
There are 4 different ring tone that are defined:
• System Ring Tone: when selected, all calls will ring with system ring
tone.
• Customer Ring Tone 1 to 3: when selected, GXV-3000 will ONLY
play this ring tone for all the incoming calls for this account.
Send Anonymous
If this parameter is set to “Yes”, the “From” header in outgoing INVITE mes-
sage will be set to anonymous, essentially blocking the Caller ID from display-
ing.
Auto Answer
When set to “Yes”, GXV-3000 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. Default is No.
Preferred Vocoder
The GXV-3000 supports up to 5 different Vocoder types including G.711 A-
/U-law (nickname as PCMU/PCMA), GSM, G.723.1, G.729A/B.
User can configure Vocoders in a preference list that will be included with the
same preference order in SDP message. The first Vocoder in this list can be
entered by choosing the appropriate option in “Choice 1”. Similarly, the last
Vocoder in this list can be entered by choosing the appropriate option in
“Choice 8”.
Preferred Video
Coder
Currently GXV-3000 supports only H.264 codec. H.263 is not supported now
but will be supported in the future via firmware upgrade.