The RESTART is sent out for PRI (and ISDN) when the signalling is first established, or the link to the switch needs to be restarted. If the switch does not respond to RESTART (and the timer T316 expires - IIRC this is a long timeout), then no channels will be available for calls. The first thing to check I think is that your PRI board is definitely set to the right variant of signalling protocol, so that it matches that at the switch/provider. There are many variations of protocol (NI-1, EuroISDN etc), and if there's a mismatch it could be that one end or the other is using RESTART to try to recover the link after some kind of failure. Tell me, do any calls go out at all? Or is it that some calls go out, then you get congestion? Regards, Martyn On 8 April 2013 06:09, Ashish gautam <ashish@nms.co.in> wrote:
Hi,
I am getting this warning: "2013-03-15 12:25:15.816238 [WARNING] ftmod_libpri.c:1954 [s1c29][1:29] -- T316 timed out, resending RESTART request" when I start my FS box.
After these warnings with three restart attempts I get this error:
2013-03-15 12:25:45.816239 [ERR] ftmod_libpri.c:1950 [s1c31][1:31] -- T316 timed out, channel reached restart attempt limit '3' and is suspended
I am also facing NORMAL_CIRCUIT_CONGESTION error when generation outgoing calls through FreeTDM. Is this a bug?
Kindly help.
-- Ashish
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