> -----Original Message-----
> From: Sambhrama Mundkur [mailto:[EMAIL PROTECTED]]
>
> When a UAS receives a request, is the response always sent back to the
> host mentioned in the Via header?
The response is always sent to the source address of the request and to the
port from the top Via (5060 being the default).
> And if the port is not
> mentioned in the
> via header, to the default port of 5060 ( even though the
> request might
> have come though a proxy running on a different port?) .
Correct.
> And
> what if there
> is no via header?
Such request is badly malformed and should be dropped.
> Is From never considered while sending responses?
No, never.
---
Igor Slepchin
