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Grandstream Networks, Inc. GXV300x User Manual Page 35 of 54
Firmware 1.2.3.7 Updated: 12/2010
Callee Request Timer
If selecting “Yes”, the phone will use session timer when it receives inbound calls with ses-
sion timer request.
Force Timer
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 phone enables the session timer only when the remote party
supports this feature. To turn off Session Timer, select “No”.
UAC Specify R
e
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 R
e
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 reliability to SIP
provisional responses (1xx series). This is very important in order to support PSTN inter-
networking. To invoke a reliable provisional response, the 100rel tag is appended to the
value of the required header of initial signaling messages.
Audio Call Ring Tone
There are
4
uniquely defined ring tones for Audio Only incoming calls:
• 1 System Ring Tone: when selected, all calls will ring with system ring tone.
• 3 Customer Ring Tones: when selected, incoming calls from this account will play
selected ring tone.
Video Call Ring Tone
There are
4
uniquely defined ring tones for Video incoming calls:
• 1 System Ring Tone: when selected, all calls will ring with system ring tone.
• 3 Customer Ring Tones: when selected, incoming calls from this 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 displa
y
ing.
Anonymous Call Reje
c
tion
Default is NO. If set to YES, anonymous call will be rejected
Refer
-
To Uses
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.
Auto Answer
Default is
No
. If set to “Yes”, GXV300x will automatically switch on speaker to answer the
incoming call after a short reminding beep.
If set to “Intercom/Paging” mode, it will answer the call based on the SIP info header sent
from the server
/proxy.
Preferred Vocoder
The GXV300x supports up to 6 different Vocoder types including G.711 A-/µ-law (nick-
name PCMU/PCMA), GSM, G.723.1, G.729A/B and G.726-32.
User can 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 op-
tion in “Choice 1
”. Similarly,
enter
the last Vocoder by choosing the o
p
tion in “Choice 8”.
Preferred Video Coder
H.264, H.263 or H.263+. Codec H.264 is recommended.
Choose Video Codec By
Local Preference
Default is
No
.
If it is set to YES, we will choose the video codec using the configured preferred sequence
when we receive an SDP offer.