[SR-Users] Problem with loose_route for a BYE

[Daniel-Constantin Mierla]

Hello,

you have to give all the BYE -- the best is to send from the first 
INVITE to the last BYE, because it matters how the record-route are 
built for INVITE.

I suspect that the BYE comes with r-uri having kamailio address, if the 
old ser does fix natted contact (which should not do in this case).

Cheers,
Daniel

On 11/20/13 3:03 PM, Igor Potjevlesch wrote:
>
> Hello,
>
> I work on interconnecting an old SER version with Kamailio.
>
> When a BYE is sent by the old SER, the "if (loose_route)" instruction 
> returns false and then a "404 Not here" is sent. So the BYE is not 
> relay to the UA.
>
> If the BYE is sent by Kamailio, no problem.
>
> Here are the BYE headers received by Kamailio:
>
> Record-Route: sip:OLD_SER_IP_ADDRESS;ftag=e97b7b77c5a3a9cc;lr=on
>
> Via: SIP/2.0/UDP OLD_SER_IP_ADDRESS;branch=z9hG4bKc9e5.3cbad207.0
>
> Via: SIP/2.0/UDP 
> UA_IP_ADDRESS_CONNECTED_TO_OLD_SER:5060;rport=5060;branch=z9hG4bK1fbe0a49fe344e6af1efd45b74305a9a
>
> Route: sip:KAMAILIO_IP_ADDRESS;lr=on
>
> I looked at the RR module documentation and it's clearly said that 
> "The loose_route function analyzes the Route: headers in the requests. 
> [...]If a Route: header is found, the function returns 1 and behaves 
> as described in section 16.12 of RFC 3261.".
>
> Someone has an idea?
>
> Regards,
>
> Igor.
>
>
>
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-- 
Daniel-Constantin Mierla - http://www.asipto.com
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