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

Bogdan-Andrei Iancu bogdan at voice-system.ro
Tue Oct 4 12:30:03 CEST 2005


Hi there,

it might be a problem - I will take a fast look !!

regards,
bogdan

Tavis P wrote:

>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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