[Kamailio-Users] CANCEL goes bananas!

Klaus Darilion klaus.mailinglists at pernau.at
Mon Feb 15 10:02:59 CET 2010


Which version of kamailio?

How is the CANCEL routed/processed in your config? (it must be routed 
identical to INVITE. if t_relay is used, just call t_relay for cANCEL too).

increase loglevel and watch syslog during processing of CANCEL, there 
might be some error/warnings.

regards
klaus

Am 12.02.2010 21:54, schrieb Anders:
> Ok, "bananas" might not be the right word, but it resembles what is
> happening ;-)
>
> When I get a CANCEL from my customer to Kamailio, it is not passed on
> to my vendor - this is with a specific customer using VoipSwitch. The
> result is that the phone called keeps ringing even though it's been
> (attempted) cancelled, and a sideeffect is that it goes nuts at the
> carrier side because it can send anymore and returns 480 or 486. Below
> is the dialog from the Session Progress to when the call is cancelled
> - and then it goes bananas.
>
> Any ideas?
>
> Thanks a lot!
>
>
> U 2010/02/12 14:40:25.435793 MyKamailioIP:5060 ->  MyCustomerIP:5060
> SIP/2.0 183 Session Progress.
> To:<sip:890912551184517324 at MyKamailioIP>;tag=3474974816-620042.
> From: "69912390"
> <sip:001128650136 at MyCustomerIP:5060>;tag=1202461012501320412156.
> Contact:<sip:84370551184517324 at MyVendorIP:5060>.
> Call-ID: GWV0iI5c5vUSEUnPBz at MyCustomerIP.
> CSeq: 1 INVITE.
> Content-Type: application/sdp.
> Via: SIP/2.0/UDP
> MyCustomerIP:5060;rport=5060;received=MyCustomerIP;branch=z9hG4bk120246101250121320412156.
> Content-Length: 210.
> .
> v=0.
> o=prxams02 0 0 IN IP4 MyVendorIP.
> s=sip call.
> c=IN IP4 62.93.140.13.
> t=0 0.
> m=audio 42972 RTP/AVP 18 101.
> a=rtpmap:18 G729/8000.
> a=fmtp:18 annexb=no.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2010/02/12 14:40:30.625842 MyCustomerIP:5060 ->  MyKamailioIP:5060
> CANCEL sip:890912551184517324 at MyKamailioIP SIP/2.0.
> CSeq: 1 CANCEL.
> Via: SIP/2.0/UDP MyCustomerIP:5060;branch=z9hG4bk120246101250121320412156.
> From: "69912390"
> <sip:001128650136 at MyCustomerIP:5060>;tag=1202461012501320412156.
> Call-ID: GWV0iI5c5vUSEUnPBz at MyCustomerIP.
> To:<sip:890912551184517324 at MyKamailioIP>;tag=3474974816-620042.
> Contact:<sip:MyCustomerIP:5060;transport=udp>.
> Content-Length: 0.
> .
>
>
> U 2010/02/12 14:41:25.496605 MyVendorIP:5060 ->  MyKamailioIP:5060
> SIP/2.0 480 Temporarily Unavailable.
> To:<sip:890912551184517324 at MyKamailioIP>;tag=3474974816-620042.
> From: "69912390"
> <sip:001128650136 at MyCustomerIP:5060>;tag=1202461012501320412156.
> Contact:<sip:84370551184517324 at MyVendorIP:5060>.
> Call-ID: GWV0iI5c5vUSEUnPBz at MyCustomerIP.
> CSeq: 1 INVITE.
> Via: SIP/2.0/UDP MyKamailioIP;branch=z9hG4bKf18c.fa7b81d2.0.
> Via: SIP/2.0/UDP
> MyCustomerIP:5060;rport=5060;received=MyCustomerIP;branch=z9hG4bk120246101250121320412156.
> Content-Length: 0.
> .
>
>
> U 2010/02/12 14:41:25.496888 MyKamailioIP:5060 ->  MyVendorIP:5060
> ACK sip:84370551184517324 at MyVendorIP:5060 SIP/2.0.
> Via: SIP/2.0/UDP MyKamailioIP;branch=z9hG4bKf18c.fa7b81d2.0.
> From: "69912390"
> <sip:001128650136 at MyCustomerIP:5060>;tag=1202461012501320412156.
> Call-ID: GWV0iI5c5vUSEUnPBz at MyCustomerIP.
> To:<sip:890912551184517324 at MyKamailioIP>;tag=3474974816-620042.
> CSeq: 1 ACK.
> Max-Forwards: 70.
> User-Agent: Kamailio.
> Content-Length: 0.
>
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