One final follow-up on this... turns out that YES there was a PSTN switching issue... but also we could have increased a timer on survivability.tcl on the ingress leg. Just leaving this here in case anyone ever does a search.
application service survivability param setup-timeout 15 On Mon, Apr 19, 2021, at 8:24 AM, Nick Barnett wrote: > The PSTN issue was resolved by the time I could get more traces. i still have > no idea what timer was popping, TAC couldn't figure it out either... so I > guess hope you don't ever have a mystery 7 second timer that cuts off your > calls. > > On Fri, Apr 16, 2021, at 11:25 AM, Nick Barnett wrote: >> Unfortunately, I only had ccsip and ccapi inout debugs running... I'll add >> those 2 other sip debugs the next time. This is what I had handy from last >> night. I'm sure new traces would be very helpful, but can't get to it right >> now and wanted to at least respond. >> >> Here is a sanitized copy of the cancel. The time between the trying and the >> cancel is always between 6.8 and 6.9 seconds. >> >> CANCEL sip:17633334...@voip.centurylink.com:5100 SIP/2.0 >> Via: SIP/2.0/UDP voip.centurylink.com:5060;branch=z9hG4bK2804DC216B >> From: sip:1652223333@10.10.10.10;tag=7FF3BC40-14BB >> To: <sip:17635670...@voip.centurylink.com> >> Date: Thu, 15 Apr 2021 18:39:42 GMT >> Call-ID: c6ab9407-9d5011eb-88bf8f36-hi-...@voip.centurylink.com >> <mailto:c6ab9407-9d5011eb-88bf8f36-4c717...@voip.centurylink.com> >> CSeq: 102 CANCEL >> Max-Forwards: 70 >> Timestamp: 1618511989 >> Reason: Q.850;cause=0 >> Content-Length: 0 >> >> That pesky 0 for the cause code is making life difficult. >> >> On Fri, Apr 16, 2021, at 10:29 AM, Sreekanth Narayanan (sreenara) wrote: >>> Nick, >>> >>> What's the disconnect cause from the CUBE? 102? >>> >>> Do you have logs for this call? Would be clear which timers are expiring, >>> causing the problem. >>> debug ccsip message >>> debug ccsip error >>> debug ccsip info >>> >>> -sreekanth >>> >>> >>> *From:* cisco-voip <cisco-voip-boun...@puck.nether.net> on behalf of Nick >>> Barnett <nick@barnett.email> >>> *Sent:* Friday, April 16, 2021 6:53 PM >>> *To:* cisco-voip <cisco-voip@puck.nether.net> >>> *Subject:* [cisco-voip] Outbound SIP connection failing in CUBE due to some >>> timer... maybe. >>> >>> Yes, very vague subject. Sorry about that. Some calls to certain wireless >>> carriers on our ITSP connections have started failing. >>> >>> Win10 Jabber client (off of 12.5.su3) -> CUBE -> ITSP >>> >>> The call goes out Lumen, the 401 auth and challenge response are fine, the >>> INVITE is then sent with SDP. We get a TRYING response which we immediately >>> ACK. Up until this point, the entire call flow is NORMAL. >>> >>> If we don't receive a 18X response within 7 Seconds, the, the CUBE sends a >>> cancel. Yes, the CUBE. >>> >>> It appears that the far end is taking too long to send the 18X message. we >>> involved our carrier and they can see the 18X come back a split second >>> later (sometimes), but our side has already closed the connection. >>> >>> I looked at all of the sip-ua timers and retry settings. nothing adds up to >>> 7 seconds. Most timers are set to 500 msec. I'm not sure where to look? >>> It's not on the sip profile. i tried bumping up the connect, update, info >>> and trying timers (one at a time), but it didn't make any difference. Maybe >>> I was supposed to do something to make sip-ua changes "kick in" like bounce >>> the sip service which I didn't do... not sure on that part. >>> >>> Please tell me there is something simple I'm missing. Pointers? >>> >>> Thanks, >>> Nick >>> >>> >>> p.s. : some possibly relevant config and the timers and retries from my >>> sip-ua >>> >>> retry invite 2 >>> retry response 6 >>> retry bye 10 >>> retry cancel 10 >>> retry prack 10 >>> retry update 6 >>> retry rel1xx 6 >>> retry notify 10 >>> retry refer 10 >>> retry info 6 >>> retry register 6 >>> retry subscribe 6 >>> retry keepalive 6 >>> retry options 6 >>> timers trying 500 >>> timers expires 180000 >>> timers connect 500 >>> timers connection aging 5 >>> timers disconnect 500 >>> timers prack 500 >>> timers update 500 >>> timers rel1xx 500 >>> timers notify 750 >>> timers refer 500 >>> timers hold 2880 >>> timers info 500 >>> timers register 500 >>> timers buffer-invite 0 >>> timers keepalive down 30 >>> timers keepalive active 120 >>> timers dns registrar-cache 3600 >>> timers options 500 >> >> >> Thanks, >> Nick >> >> _______________________________________________ >> cisco-voip mailing list >> cisco-voip@puck.nether.net <mailto:cisco-voip%40puck.nether.net> >> https://puck.nether.net/mailman/listinfo/cisco-voip >> > > > Thanks, > Nick > > _______________________________________________ > cisco-voip mailing list > cisco-voip@puck.nether.net <mailto:cisco-voip%40puck.nether.net> > https://puck.nether.net/mailman/listinfo/cisco-voip > Thanks, Nick
_______________________________________________ cisco-voip mailing list cisco-voip@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-voip