ET 200X(L) Series Digital Gateway User Manual
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Table 4-1-4 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
Minimum session refresh interval in seconds. Default is 90secs.
Maximum
Session
Refresh
Maximum session refresh interval in seconds. Defaults to 1800s.
Session Refresher
The session refresher, uac or uas. Defaults to uas.
4.1.6 Advanced Signaling Settings
Table 4-1-5 Definition of Signaling Options
Options
Definition
Progress Inband
If we should generate in-band ringing. Always use ‘never’ to never use in-band
signaling,
Even in cases where some buggy devices might not render it. Valid values: yes, no,
never. Default: never.
Append
user=phone to URI
Whether or not to add;’ user=phone’ to URIs that contain a valid phone number.
Add Q.850 Reason
Headers
Whether or not to add Reason header and to use it if it is available.
