[Freeswitch-users] media gateway

Steven Ayre steveayre at gmail.com
Sat Jul 24 14:24:07 PDT 2010

FS still needs to see the signalling to start up the call.

You'll need to bridge the call from the Windows FS to the Linux FS, and then
have Linux FS send the call on to the final destination either directly or
via the Windows FS by bridging back to it (but on another
profile/dialplan/extension so it knows it's to send out to the phone not to
the Linux FS).

Client ----(g711)----> Windows FS ----(g711)-----> Linux FS ----(g729)---->
IP Phone
Client ----(g711)----> Windows FS ----(g711)-----> Linux FS ----(g729)---->
Windows FS ----(g729)----> IP Phone

Directly from Linux FS to phone would be optimal, but you'll need to do it
via the Windows FS if you're using the registration data to know where to
send the call to.

Using bypass_media would allow you to avoid sending media via Windows FS
which'll massively reduce the server load. SIP signalling uses hardly any
CPU since there are very few messages during most calls. You'll get the
following paths:
Signalling: Client ----> Windows FS ----> Linux FS ----> Windows FS ----> IP
Media: Client ----(g711)----> Linux FS ----(g729)----> IP Phone


On 24 July 2010 19:10, babak yakhchali <babak.freeswitch at gmail.com> wrote:

> how can I force windows side freeswitch to send calls through linux fs box?
> I mean registrations are sent to windows box so how should I call bridge
> application to send calls through linux box which g729 licenses are
> available on
> thanx
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