[Freeswitch-users] To Proxy Media or Not

[Avi Marcus]

Yes, you probably don't need "media proxy", just the "default" to hide the
remote IP.
See: http://wiki.freeswitch.org/wiki/Proxy_Media

<http://wiki.freeswitch.org/wiki/Proxy_Media>-Avi

On Wed, Mar 9, 2011 at 7:02 PM, Kristian Kielhofner <kris at kriskinc.com>wrote:

> If your intention is to *strictly* hide topology proxy media will
> rewrite the IP address in the SDP but that's about it.  Technically
> that counts as "topology hiding".  Other SDP parameters, however, will
> pass through and leak various bits of information about the endpoints
> behind the SBC:
>
> - Codec support
> - Payload types
> - Other "random" various SDP parameters
>
> Most real SBCs will rewrite the entire SDP (as FS does by default).
>
> Another thing to consider - the vast majority of FS users do not use
> proxy media (and most that do use it incorrectly).  This leaves you
> open to the possibility that you'll experience strange edge case bugs
> using a media mode different from the majority of the rest of the FS
> user base.
>
> On Wed, Mar 9, 2011 at 10:52 AM, Max Clark <max.clark at gmail.com> wrote:
> > Hello,
> >
> > I have a couple of FreeSWITCH boxes functioning as SBCs on our
> > network. We need them to:
> >
> > - Route Calls
> > - Function as B2BUAs for call logging
> > - Hide topology from the endpoints
> >
> > They do not need to:
> >
> > - Intercept/play audio
> > - Manipulate the SDP
> > - Transcode
> > - Process anything other than SIP
> >
> > So these machines have been running with Proxy Media enabled in the
> > dialplan. Is the the proper/recommended way of configuring for our
> > environment/needs? Is the minimal gain of resources by not processing
> > the RTP worth it?
> >
> > Thanks,
> > Max
>
>
>
> --
> Kristian Kielhofner
>
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