[Serusers] sequential forking and merged request

Greger V. Teigre greger at teigre.com
Mon May 7 15:48:34 CEST 2007


Any device implementing UA functionality should follow RFC3261. But I'm 
not sure how you manage to fork off two INVITEs to the same gateway? I 
would start there.
g-)

Zappasodi Daniele wrote:
> Hello, 
> I have a question about sequential forking and Merged Request.
> If in a forking SER calls two lines of the same client (different numbers and different Request-URIs) it refuses the second call with 482 (Cisco and Snom multiline phone for example) according with RFC 3261 section 8.2.2.2 because the two INVITEs have the same Call-Id, From tag and Cseq.
> If this behaviour is reasonable with a phone, it could not be acceptable for other types of client, first of all SIP-PSTN gateway.
> Is it correct this RFC interpretation? Maybe is this section inappropriate for gateways?  
> Is there something that I can do in the config file?
>
>
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