[SR-Users] CANCEL message within transaction not being relayed

[Daniel-Constantin Mierla]

Hello,


did the INVITE get to creating a transaction (e.g., was
t_relay()/t_newtran() used for it)?


Cheers,
Daniel


On 25/07/16 16:37, Ali Soltani wrote:
>
> Hi,
>
>
> We tested the following on Kamailio 3.x and 4.x and observed the same
> behavior.
>
>
> INVITE and CANCEL are sent to Kamailo from the same source within the
> same transaction. (branch value in the first via header are the same
> in both INVITE and CANCEL message. Also FROM and TO header are same as
> well). 
>
> However, Kamailio does not relay CANCEL message.  UAC keep sending
> CANCEL till timeout. Apparently, t_check_trans() returns false.   
>
>
> Can anyone help me on this issue on why Kamailio does not relay CANCEL
> message?
>
>
> Thanks,
>
> AS
>
>
>
> INVITE received by Kamailio
>
>
> INVITE sip:1111111 at 10.10.10.10:5060;user=phone SIP/2.0
> Via: SIP/2.0/UDP 20.20.20.20:5060;branch=z9hG4bKkjhg4n100gagvkoup741.1
> Max-Forwards: 69
> From: <sip:2222222 at 20.20.20.20>;tag=SDl9eu701-1c1026774897
> To: <sip:1111111 at 10.10.10.10;user=phone>
> Call-ID: SDl9eu701-36d75c874d3f463f6c83c5c94cc98b77-8q7ug02
> CSeq: 1 INVITE
> Contact: <sip:2222222 at 20.20.20.20:5060;transport=udp>
> Supported: em,timer,replaces,path,resource-priority,sdp-anat
> Allow:
> REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO,SUBSCRIBE,UPDATE
> User-Agent: CS-CustomerName/v.6.60A.274
> Content-Type: application/sdp
> Content-Length: 237
> P-Asserted-Identity: tel:2222222
> P-Asserted-Identity: sip:2222222 at 192.168.0.1
>
> after 70 msec CANCEL received by Kamailio in the same transaction
>
> CANCEL sip:1111111 at 10.10.10.10:5060;user=phone SIP/2.0
> Via: SIP/2.0/UDP 20.20.20.20:5060;branch=z9hG4bKkjhg4n100gagvkoup741.1
> CSeq: 1 CANCEL
> Max-Forwards: 69
> From: <sip:2222222 at 20.20.20.20>;tag=SDl9eu701-1c1026774897
> To: <sip:1111111 at 10.10.10.10.;user=phone>
> Call-ID: SDl9eu701-36d75c874d3f463f6c83c5c94cc98b77-8q7ug02
> Content-Length: 0
> Reason: Q.850 ;cause=16
>
>
>
>
>
>
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-- 
Daniel-Constantin Mierla
http://www.asipto.com - http://www.kamailio.org
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda

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