[Freeswitch-users] Call transfer/forward PSTN-SIP-PSTN

[Vladimir Rodionov]

Yes, I need SIP-REFER (pass back media and signaling to PSTN). I am pretty
sure it is doable because voxeo offers this
option for their Voice XML customers but I am not interested in a hosted
solution at the time - it is quite expensive. As far as I understood, Voip
provider MUST have pstn call transfer feature enabled by telecom provider
(AT&T for example) and this should work fine with SIP.

-Vladimir Rodionov


On Sat, Aug 8, 2009 at 10:40 AM, Phillip Jones <pjintheusa at gmail.com> wrote:

> Hi there,
>
> Are you wanting to keep the SIP signaling in FreeSWITCH (SIP re
> INVITE) and only pass back the media to the network, or pass back
> signaling also (SIP REFER)?
>
> I know several suppliers who support SIP re INVITE but none that
> support SIP REFER.
>
> Check out http://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_deflect
> and http://wiki.freeswitch.org/wiki/Bypass_Media
>
>
>
> On Sat, Aug 8, 2009 at 9:26 AM, Vladimir Rodionov<vladrodionov at gmail.com>
> wrote:
> > Good morning,
> > This is the scenario: User 1 (PSTN) calls freeSWITCH (DID). Calls goes
> > through PSTN Gateway (1) to freeSWITCH application server (AS) (2).
> > AS does some logic and transfers call (or forward) out of Voip provider
> > network to another PSTN number User2.
> >
> >
> > This is call bridge
> >
> >
> >     UA1     (PSTN) -                                 ->  UA2 (PSTN)
> >               -                                            -
> >                 -  (1)                                   -  (4)
> >                   ->         PSTN Gateway->
> >                             -                        -
> >                        (2) -                        - (3)
> >                           -> FreeSWITCH ->
> >
> >
> > This is what I want to acomplish
> >                                     (4)
> >     UA1     (PSTN) ------------------------------- ->  UA2 (PSTN)
> >                     -
> >                        -   (1)
> >                         ->  PSTN Gateway->
> >                              -                        -
> >                        (2)  -                        - (3)
> >                             -> FreeSWITCH ->
> >
> >
> > 1. Can it be implemented in FreeSWITCH?
> > 2. Does anybody know Voip providers which support out of network call
> > transfer/forwarding to PSTN?
> >
> > TIA
> >
> > -Vladimir Rodionov
> >
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