[asterisk-users] How to check if a SIP phone is forwarded without ringing it ?

[Olivier]

2008/1/7, Kevin P. Fleming <kpfleming at digium.com>:
>
> Olivier wrote:
>
> > Is there way for an Asterisk server to check if a sip phone is forwarded
> > without bothering phone's user ?
>
> No.
>
> > I was thinking of some Alert-Info option that would let the phone reply
> > with a 302 Moved Temporarily or 182 Queued message and not let the phone
> > ring or display anything on its screen.
>
> According to the SIP RFC, a SIP endpoint is supposed to respond to an
> OPTIONS message the same way that it would respond to an INVITE message
> with the identical destination, but I've never seen a phone respond to
> an OPTIONS message with anything but '200 OK', even when a redirect
> (forward) is in place.


So, the alternative option is to play with html and use phone embedded html
server to get this redirection data.

Cheers

--
> Kevin P. Fleming
> Director of Software Technologies
> Digium, Inc. - "The Genuine Asterisk Experience" (TM)
>
>
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