Situation:
Endpoint is called Party (Sipura SPA2000)
Calling Party is routed through from a TDM call and VoIP'd by Cisco 3640 router then sent to SER.
Endpoint receives call - everything works. When the Sipura hangs up the call, it sends a BYE to ser - but ser does not send the BYE to the router to disconnect the TDM channel.
All other situations result in a completed call with channels released on the router just fine.
After further inspection - we noticed that when the Sipura hangs up and send the BYE to SER, SER responds with this:
SIP/2.0 481 Call/Transaction Does Not Exist Via: SIP/2.0/UDP 11.11.111.155:5060;branch=z9hG4bK-b76fe29f From: sip:8646783182@22.22.222.154;tag=bc5a80577e3d5642 To: sip:8644679887@33.33.333.157;tag=322BCA98-25A3 Call-ID: F429FDCE-30B011D8-BA0EDB9C-52307829@33.33.333.157 CSeq: 101 BYE Contact: sip:8644679887@44.44.444.148 Server: Sip EXpress router (0.8.12 (i386/linux)) Content-Length: 0 Warning: 392 44.44.444.148:5060 "Noisy feedback tells: pid=20033 req_src_ip=22.22.222.154 req_src_port=5060 in_uri=sip:8644679887@44.44.444.148:5060 out_uri=sip:8644679887@44.44.444.148:5060 via_cnt==0"
Any ideas?
Thanks,
- Darren