Greetings, A customer is running sipXecs (4.4.0- 2011-10-12EDT17:34:54 domU-12-31-39-00-0D-21).
They complained that outbound calls to their ITSP were dropping consistently at 15 minutes into the call. The call fails exactly when the re-INVITE keep-alive is sent. Restarting sipxbridge appears to solve the problem which, by the way has happened only twice in 3 months. Researching a 'good' and 'failed' call, the Via Header is wrong in the failed case -- see re-INVITE messages below. In the 'good' call the Via Header points to the bridge and port 5080 as expected. In the failed call, the Via points to the ITSP and port 5060. In the logs, I see no errors or message sequences that might explain such behavior. I have requested the user to increase the log level for SIP Trunking to DEBUG in hopes of capturing more information. In the meantime, any suggestions? Thanks, jim --------------------------------------------------- bad call: 2012-01-25T21:58:20.914000Z:1361207:OUTGOING:INFO:netvoice:ReInviteSender-1342:00000000:sipXbridge:Sent SIP Message : ----Remote Host:10.20.30.37---- Port: 5060---- INVITE sip:[email protected]:5060;insideBWWEST=BWWESTSIG-j895mp1bqdiba;transport=udp SIP/2.0 Via: SIP/2.0/UDP 10.20.30.37:5060;branch=z9hG4bK71c18bf42eeee0ab9fb3bc6fcdf260b0353439 CSeq: 2 INVITE Call-ID: [email protected] From: \"sipxbridge\" <sip:[email protected]>;tag=2513112800114058419 To: <sip:[email protected];user=phone>;tag=1819991104-1327527848452 Remote-Party-ID: <sip:[email protected];user=phone>;screen=yes;party=called;privacy=off;id-type=subscriber Max-Forwards: 70 User-Agent: sipXecs/4.4.0 sipXecs/sipxbridge (Linux) Allow: INVITE,BYE,ACK,CANCEL,OPTIONS Accept: application/sdp Content-Type: application/sdp Contact: <sip:[email protected]:5080;transport=udp> Session-Expires: 900;refresher=uac Min-SE: 90 Content-Length: 257 good call: INVITE sip:[email protected];user=phone SIP/2.0 Call-ID: [email protected] CSeq: 1 INVITE From: "sipxbridge" <sip:[email protected]>;tag=7554767118327400281 To: <sip:[email protected];user=phone> Via: SIP/2.0/UDP 172.20.3.10:5080;branch=z9hG4bK62b99785b9d6ebd48036d5080407660c3934 Max-Forwards: 70 User-Agent: sipXecs/4.4.0 sipXecs/sipxbridge (Linux) Contact: <sip:[email protected]:5080;transport=udp> Route: <sip:10.20.30.37:5060;transport=udp;lr> Session-Expires: 900;refresher=uac References: [email protected];rel=chain;sipxecs-tag=request-invite-z9hg4bk-xx-064a4yl62itzore3npyhwq12za Allow: INVITE,BYE,ACK,CANCEL,OPTIONS Supported: timer Content-Type: application/sdp Content-Length: 257
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