
Analog Gateway User Manual
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required for devices that send non-standard SDP packets (observed
with Microsoft
OCS). By default this option is on.
Allow Transfers
Whether or not to globally enable transfers. Choosing 'no' will disable all
transfers (unless enabled in peers or users). Default is enabled.
Allow
Promiscuous
Redirects
Whether or not to allow 302 or REDIR to non-local SIP address.
Note that promiscredir when redirects are made to the local system will
cause loops since this gateway is incapable of performing a "hairpin" call.
Max Forwards
Setting for the SIP Max-Forwards header (loop prevention).
Send TRYING
on REGISTER
Send a 100 Trying when the endpoint registers.
Advanced: 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.