GAC2570 User Manual
Version 1.0.1.23
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Session Timer
Enable Session Timer
Allows the device to use the session timer, when set to “Yes”, it will be
added in the SIP INVITE message to notify the server.
Session Expiration (s)
Configures the device’s SIP session timer. It enables SIP sessions to be
periodically "refreshed" via a SIP request (UPDATE, or re-INVITE). If there
is no refresh via an UPDATE or re-INVITE message, the session will be
terminated once the session interval expires.
Session Expiration is the time (in seconds) where the session is considered
timed out, provided no successful session refresh transaction occurs
beforehand.
The default setting is 180. The valid range is from 90 to 64800.
Min-SE (s)
Determines the minimum session expiration timer (in seconds) if the device
act as a timer refresher. Default is 90. The valid range is from 90 to 64800.
UAC Specify Refresher
Sets which party will refresh the active session if the device makes
outbound calls. If it is set to “UAC” and the remote party does not support
Refresher feature, the device will refresh the active session.
If it is set to “UAS”, the remote party will refresh it. If it is set to “Omit”, the
header will be omitted so that it can be selected by the negotiation
mechanism. The default setting is "Omit".
UAS Specify Refresher
Specifies which party will refresh the active session if the device receives
inbound calls. If it is set to “UAC”, the remote party will refresh the active
session. If it is set to “UAS” and the remote party does not support refresh
feature, the device will refresh it. The default setting is "UAC".
Caller Request Timer
Sets the caller party to act as refresher by force. If set to "Yes" and both
party support session timers, the device will enable the session timer
feature when it makes outbound calls. The SIP INVITE will include the
content “refresher=uac”. The default setting is "No".
Callee Request Timer
Sets the callee party to act as refresher by force. If set to "Yes" and both
parties support session timers, the device will enable the session timer
feature when it receives inbound calls. The SIP 200 OK will include the
conte
nt “refresher=uas”. The default setting is "No".
Force Timer
Configures the session timer feature on the device by force.
•
If it is set to "Yes", the device will use the session timer even if the
remote party does not support this feature.
•
If set to "No", the device will enable the session timer only when the
remote party supports this feature. To turn off the session timer, select