El Miércoles, 10 de Febrero de 2010, Couret Tabt escribió:
> I mean below:
> 
> When the proxy route back the response to the UAC,
> which header does it refer to?("From" header or "Via:" header)
> 
> Because of Castillo's suggestion below,
> I understood that the  proxy refer to "Via:" headers (NOT to "From" header)
> to route back the response to the UAC.

Hi, you are asking the same again and again. Sorry, but some basic SIP 
knowledge is required. How responses are routed back to the UAC is a core 
concept of SIP protocol, more or less perfectly explained in RFC 3261. It's 
time you to read RFC 3261.


-- 
Iñaki Baz Castillo <[email protected]>

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