Grandstream Networks GXP2000EXT Manual page 40

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UAS Specify Refresher
Force INVITE
Enable 100rel
Account Ring Tone
Ring Timeout
Send Anonymous
Anonymous Method
Anonymous Call
Rejection
Auto Answer
Allow Auto Answer by
Call-Info
Turn off speaker on
remote disconnect
Check SIP User ID for
incoming INVITE
Refer-To Use Target
Contact
Disable Multiple Media
Attribute in SDP
Preferred Vocoder
SRTP Mode
Grandstream Networks, Inc.
As a Callee, select UAC to use caller or proxy server as the refresher, or UAS to
use the phone as the refresher.
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..
There are 4 uniquely defined ring tones:
One (1) System Ring Tone: when selected, all calls will ring with system
x
ring tone.
Three (3) Customer Ring Tones: when selected, incoming calls from
x
designated account will play selected ring tone.
Defines how long ring will ring when receiving a call. Default is 60 seconds.
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.
Whether to use "<sip:anonymous@anonymous.invalid>" in the From Header or P-
Asserted-Identity header.
Default is NO. If set to YES, anonymous call will be rejected
Default is No. If set to "Yes", GXP 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.
If the Call-Info header contains answer-after=0, the call be answered
automatically (so called paging mode).
When BYE is received, the phone will turn off its speaker automatically.
Check the SIP User ID in Request URI. If they don't match, the call will be
rejected.
Default is NO. If set to YES, then for Attended Transfer, the "Refer-To" header uses the
transferred target's Contact header information.
Default is No.
GXP supports up to 7 different Vocoder types including G.711(a/µ) (also known
as PCMU/PCMA), GSM, G.723.1, G.729A/B, G.726-32, iLBC, G.722 (wide-band).
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".
Enable SRTP mode based on selection. Default is No.
GXP User Manual
Firmware 1.2.5.3
Page 40 of 44
Last Updated: 03/2011