[Kamailio-Users] CANCEL can't be forward!

[BERGANZ François]

Ok, I can see,

But, in the cancel, I can't know the codec!
Then, I can't select the good asterisk.
 I'm lost


Cordialement

BERGANZ François
http://www.acropolistelecom.net
TEL/FAX : 33 (0) 1 70 72 50 15

-----Message d'origine-----
De : users-bounces at lists.kamailio.org
[mailto:users-bounces at lists.kamailio.org] De la part de Iñaki Baz Castillo
Envoyé : mercredi 10 septembre 2008 10:25
À : users at lists.kamailio.org
Objet : Re: [Kamailio-Users] CANCEL can't be forward!

El Wednesday 10 September 2008 10:14:23 BERGANZ François escribió:
> hello a problem with my CANCEL frames!
>
>
>
>
> user-------openser------asterisk
>
> invite>>>>>>>|>>>>>>invite
> ringing<<<<<<|<<<<<<ringing
> cancel>>>>>>>|
>
> in fact, I don't know where forward the cancel in stateless!
> I have no information in the frame to forward it to the right asterisk
(one
> for g711, one for g729...)


RFC 3261

16.11 Stateless Proxy
   [...]
   Stateless proxies MUST NOT perform special processing for CANCEL
   requests.  They are processed by the above rules as any other
   requests.  In particular, a stateless proxy applies the same Route
   header field processing to CANCEL requests that it applies to any
   other request.


This is, if you proxy works in stateless, you must treat a CANCEL as it was
a 
completely new INVITE. So, if you receive a CANCEL do exactly the SAME to 
decide the destination as if it was an INVITE. No more.



-- 
Iñaki Baz Castillo
ibc at in.ilimit.es

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