Cheers for that. We solved the problem this time by updating the routers firmware to the latest version but if it happens again I'll look into what you're saying. Can I just clarify that you mean the RTP Timers though? It's a production server and doing sip reloads is massively frowned upon.
Thanks again Ish Peter Johansson wrote: > Hello. I think i've seen this problem, it was generated by a missing ACK > on 200 OK. If that is the case try modifying session timer parameters in > sip.conf so a missing ACK will not lead to call termination. > > Peter > > Ishfaq Malik wrote: > >> Hi >> >> I'm having an issue with just one of the phones (snom300) attached to >> our asterisk server (1.4.17 using RealTime) >> Sometimes (not consistently), any outbound call cust off at 20 seconds >> exactly and I see the following in my asterisk console >> [Aug 6 10:37:24] WARNING[1679]: chan_sip.c:1946 retrans_pkt: Maximum >> retries exceeded on transmission 3c3251e0edaf-4jnjbmy9uupi for seqno 2 >> (Critical Response) >> [Aug 6 10:37:24] WARNING[1679]: chan_sip.c:1970 retrans_pkt: Hanging up >> call 3c3251e0edaf-4jnjbmy9uupi - no reply to our critical packet. >> >> There as another SIP phone plugged into the same router and that has no >> issues at all and inbound calls are not affected either. >> The codecs order on the phone match up to those set on the server >> (g729;alaw;ulaw;;). >> >> There are about 50 other phones attached to the server and none of the >> others have this issue. Well actually, one did but that person got a new >> handset (they were previously using a very old and rubbish Grandstream) >> and the problem immediately stopped. >> >> Has anyone experienced anything like this before? >> >> >> > > > _______________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > AstriCon 2009 - October 13 - 15 Phoenix, Arizona > Register Now: http://www.astricon.net > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > > -- Ishfaq Malik Software Developer PackNet Ltd Office: 0161 660 3062 _______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- AstriCon 2009 - October 13 - 15 Phoenix, Arizona Register Now: http://www.astricon.net asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
