[Freeswitch-users] Why does a SIP forked dial select just the first 183?

[Anthony Minessale]

if you want to wait for the first one to answer instead of indicate progress
you add
{ignore_early_media=true} to the beginning of the dial string
<action application="bridge" data="{ignore_early_media=true}sofa/profile/
200 at dom.com,sofia/profile/201 at dom.com"/>

On Thu, Nov 20, 2008 at 3:13 AM, Iñaki Baz Castillo <ibc at aliax.net> wrote:

> Hi, I read in:
>  http://wiki.freeswitch.org/wiki/Dialplan_Recipes
> the following:
>
> -----------------------
> = Forked dial example =
> Forked dial is when you want to attempt to ring 2 destinations at the
> same time. Freeswitch will attempt to call both bridge options
> simultaneously. The first bridge leg that replies with a 183 (session
> progress) message will win the call, and the other bridge leg is
> dropped. This only will work with late_negotiation enabled.
> -----------------------
>
> While the above could be valid when sending calls to varios (just
> two?) PSTN gateways, I wonder why I couldn't send a call to two local
> users (200 and 201) and wait until one of them *answers*. My expected
> behaviour is:
>
> - I call to FS extension 500.
> - FS does a bridge to 200 and 201.
> - 200 replies 180 "Ringing"
> - 201 replies 183 "Session Progress" with early media (not very common
> in a SIP phone but possible anyway)
> - After a while 200 replies a 200 OK so FS sends a CANCEL to 201 and
> replies 200 OK to the caller.
>
> Is this common behaviour not possible in FS? is there othe way to get
> it instead of using "bridge" app with two destinations in "data"?
>
> Thanks.
>
>
>
>
> --
> Iñaki Baz Castillo
> <ibc at aliax.net>
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-- 
Anthony Minessale II

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