Hi Srinivasan,
See my comments inline
> I am trying to implement call forward feature in sip.
> Consider that A has call forwarded it to B.
> C calls up A.
> A sends a 302(moved temporarily) message with contact as B.
> there are two ways to handle this.
> 1) The message 302 goes to the local proxy which builds the invite
> message to B.(does proxy build a invite when it receives a 302
> message?)
The messages do not automatically go through the proxies. If only the
request was received via the proxy, the response will go through it.
Anyway .. if the proxy receives a 302 response it should build a new
Invite message and send it to appropriate destination.
> 2) The message 302 is received by C. C then sends a INVITE message to
> B.
You can build this intelligence in the user agents, for calls not
invloving proxies, or you can prompt the user with the new location of
callee.
Regards
- Ajit
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