[Users] OpenSER not processing "200 OK" reponse to CANCEL message

Tavis P tavis.lists at galaxytelecom.net
Mon Oct 3 21:03:19 CEST 2005


Forgot to mention, this is using CVS HEAD checked out on friday

Klaus Darilion wrote:

> Maybe this is also introduced by the CSeq optimations? (Just a guess)
>
> klaus
>
> Tavis P wrote:
>
>> Using logic similar to the Onsip.org config file i'm doing call forward
>> no-answer using a TM timer, when the call is forwarded OSER sends a
>> cancel to the original client which responds with a "200 OK".  OSER
>> doesn't seem to process this 200 ok, generating an error and resending
>> the CANCEL message.
>>
>> Running OSER in debug level 5 shows that OSER was not able to match the
>> "200 OK" to the CANCEL message
>>
>> Below is a trace of exchange, the following error is recorded in the
>> debug log
>> -- 
>>  get_hdr_field: cseq <CSeq>: <102> <CANCEL>
>> header field type 5, name=<CSeq>, body=<102 CANCEL>
>> DEBUG: t_reply_matching: hash 44785 label 1883536846 branch 0
>> DEBUG: t_reply_matching: no matching transaction exists
>> DEBUG: t_reply_matching: failure to match a transaction
>> DEBUG: t_check: msg id=3 global id=3 T end=(nil)
>> ....
>> ERROR: forward_reply: no 2nd via found in reply
>> -- 
>>
>>
>> #
>> U OSER_PROXY:15061 -> SIP_UAC:5060
>> CANCEL sip:200110005333 at 192.168.99.240:5060 SIP/2.0.
>> Via: SIP/2.0/UDP OSER_PROXY:15061;branch=z9hG4bKb3b2.9e597b73.0.
>> From: tavis <sip:200110005334 at OSER_PROXY:15061>;tag=d478d8ef4036cbffo0.
>> Call-ID: c818cfaf-edd9443f at 192.168.99.66.
>> To: <sip:200110005333 at OSER_PROXY:15061>.
>> CSeq: 102 CANCEL.
>> Content-Length: 0.
>> .
>>
>> #
>> U SIP_UAC:5060 -> OSER_PROXY:15061
>> SIP/2.0 200 OK.
>> Via: SIP/2.0/UDP OSER_PROXY:15061;branch=z9hG4bKb3b2.9e597b73.0.
>> From: tavis <sip:200110005334 at OSER_PROXY:15061>;tag=d478d8ef4036cbffo0.
>> To:
>> <sip:200110005333 at OSER_PROXY:15061>;tag=00055e7cd6f33c1a551406a2-75f29afe.
>>
>> Call-ID: c818cfaf-edd9443f at 192.168.99.66.
>> CSeq: 102 CANCEL.
>> Server: Cisco-CP7960G/7.5.
>> Content-Length: 0.
>> .
>>
>>
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>>
>>
>
>





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