Grandstream Networks GXP2110 User Manual page 37

Session Expiration
Min-SE
Caller Request Timer
Callee Request Timer
Force Timer
UAC Specify Refresher
UAS Specify Refresher
Force INVITE
Enable 100rel
Account Ring Tone
Ring Timeout
Send Anonymous
Anonymous Call
Rejection
Auto Answer
Allow Auto Answer by
Call-Info
Grandstream Networks, Inc.
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.
Defines the minimum session expiration (in seconds). Default is 90 seconds.
If set to "Yes", the phone will use session timer when it makes outbound calls if
remote party supports session 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.
As a Caller, select UAC to use the phone as the refresher, or UAS to use the
Callee or proxy server as the refresher.
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
ring tone.
•
Three (3) Customer Ring Tones: when selected, incoming calls from
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.
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).
GXP2110 User Manual
Firmware 1.0.0.44
Page 37 of 42
Last Updated: 09/2010