I believe it can also cover no 100 Trying reply to the INVITE. There's also a no RTP timeout in FS(disabled by default), not sure the cause it'll raise but it might be that one. You might also be receiving this cause from upstream - SIP '408 Request Timeout' response, or ISDN cause set in the Reason header. -Steve On 16 December 2012 23:27, Sergey Okhapkin <sos@sokhapkin.dyndns.org> wrote:
I bet there is no SIP 180 or 183 after INVITE within progress_timeout interval.
On Monday 17 December 2012 01:15:21 Avi Marcus wrote:
Not this case. There is no NAT involved - my FS is on public and it's to a carrier to PSTN. Also, the call never connected: there's no billsec and the entire length of the call was ringing.
-Avi
On Mon, Dec 17, 2012 at 1:00 AM, Andrew Cassidy <
andrew@cassidywebservices.co.uk> wrote:
Basically, FreeSWITCH sends occasional re-invites to the remote party to make sure the call is still valid. If no response is received it will assume the call has ended and drop the call. This behavior is completely valid. However, this can also show up potential NAT/firewall issues, where the NAT mapping is being lost.
I have come across people that deliberately block these re-invites, who obviously have a fetish for zombie calls clogging up their systems...
On 16 December 2012 21:53, Avi Marcus <avi@avimarcus.net> wrote:
I'm trying to clear up my CDRs from errors, if possible... I see a bunch of Recovery On Timer Expire and they mostly seem to be after 45 seconds of ring time (there is progress). Does that basically mean it rang for 40+ seconds before some timer somewhere kicked in and ended the call? So it's basically a "no answer" or "no user response"?
Thanks, -Avi
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