try playing with keepalive settings on the trunk... also, may be a firewall issue, not even related to SIP...
but start with keepalive... On Fri, Apr 6, 2012 at 12:32 PM, Jarrod Cuzens <[email protected]> wrote: > We are having an issue where Bandwidth.com drops our conference call after > about 15 minutes. Attached is the sipxtrace. I know a lot of people use > Bandwidth.com so I'm wondering if someone can provide insight. > > Basically, the call goes along fine and then a REINVITE occurs and > Bandwidth.com returns a 481. > > INVITE sip:[email protected]:5060 SIP/2.0^M > Via: SIP/2.0/UDP 216.55.27.54:5080 > ;branch=z9hG4bK004f2e385f3b8153396a7e0d3e17526f313833^M > CSeq: 2 INVITE^M > From: "sipxbridge" <sip:[email protected] > >;tag=7663711578417146310^M > To: <sip:[email protected];user=phone>;tag=gK0db35f58^M > Call-ID: [email protected]^M > Content-Disposition: session;handling=required^M > Max-Forwards: 70^M > Route: <sip:216.82.224.202:5060;lr;ftag=7663711578417146310>^M > User-Agent: sipXecs/4.4.0 sipXecs/sipxbridge (Linux)^M > Allow: INVITE,BYE,ACK,CANCEL,OPTIONS^M > Accept: application/sdp^M > Content-Type: application/sdp^M > Contact: <sip:216.55.27.54:5080>^M > Session-Expires: 1800;refresher=uac^M > Min-SE: 90^M > Content-Length: 198^M > ^M > v=0^M > o=sipxbridge 7423237425625656682 1 IN IP4 216.55.27.66^M > s=SIP Call^M > c=IN IP4 216.55.27.66^M > t=0 0^M > m=audio 30280 RTP/AVP 0 8^M > a=sendrecv^M > a=rtpmap:0 PCMU/8000^M > a=ptime:20^M > a=rtpmap:8 PCMA/8000^ > > SIP/2.0 100 Giving a try^M > Via: SIP/2.0/UDP 216.55.27.54:5080 > ;branch=z9hG4bK004f2e385f3b8153396a7e0d3e17526f313833;received=216.55.27.66^M > CSeq: 2 INVITE^M > From: "sipxbridge" <sip:[email protected] > >;tag=7663711578417146310^M > To: <sip:[email protected];user=phone>;tag=gK0db35f58^M > Call-ID: [email protected]^M > Server: Bandwidth.com TRM (bw7.gold.13)^M > Content-Length: 0 > > SIP/2.0 481 Call Leg/Transaction Does Not Exist^M > Via: SIP/2.0/UDP 216.55.27.54:5080 > ;received=216.55.27.66;branch=z9hG4bK004f2e385f3b8153396a7e0d3e17526f313833^M > From: "sipxbridge" <sip:[email protected] > >;tag=7663711578417146310^M > To: <sip:[email protected];user=phone>;tag=gK0db35f58^M > Call-ID: [email protected]^M > CSeq: 2 INVITE^M > Content-Length: 0 > > Thanks, > Jarrod > > _______________________________________________ > sipx-users mailing list > [email protected] > List Archive: http://list.sipfoundry.org/archive/sipx-users/ > -- Michael Picher, Director of Technical Services eZuce, Inc. 300 Brickstone Square**** Suite 201**** Andover, MA. 01810 O.978-296-1005 X2015 M.207-956-0262 @mpicher <http://twitter.com/mpicher> www.ezuce.com ------------------------------------------------------------------------------------------------------------ There are 10 kinds of people in the world, those who understand binary and those who don't.
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