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iAG200/400 Series Analog Gateway User Manual
36
OpenVox Communication Co. ,LTD.
URL: www.openvox.cn
4.1.5 Advanced: Timer Settings
Figure 4-1-8 Definition of Timer Settings
Table 4-1-5 Definition of Timer Options
Options
Definition
Default T1 Timer
This timer is used primarily in INVITE transactions. The default for Timer
T1 is 500ms or the measured run-trip time between the gateway and the
device if you have qualify=yes for the device.
Call Setup Timer
If a provisional response is not received in this amount of time, the call will
auto-congest. Defaults to 64 times the default T1 timer.
Session Timers
Session-Timers feature operates in the following three modes:
Originate, request and run session-timers always;
Accept, run session-timers only when requested by other UA;
Refuse, do not run session timers in any case.
Minimum Session
Refresh Interval
Minimum session refresh interval in seconds. Default is 90secs.
Maximum Session
Refresh Interval
Maximum session refresh interval in seconds. Defaults to 1800secs.
Session Refresher
The session refresher, uac or uas. Defaults to uas.