[Freeswitch-users] media proxy

[Dmitry Sytchev]

This probably will not work if you have NATed endpoints
At least, without proper NAT handling on these devices to make them
advertise their external host/port in SDP

BTW, there is a variable *bypass_media_after_bridge* and it should make FS
send re-invite to endpoints connecting them directly

2012/11/7 Sergey Okhapkin <sos at sokhapkin.dyndns.org>

>  Set bypass_media=true and do not set proxy_media variable.
>
> On Wednesday 07 November 2012 03:47:19 Max Kovalenko wrote:
> > Lets return to root direction of the topic.
> >
> > How to set Full media proxy mode per channel?
> >
> > Meaning, what values should be set for channel variables: bypass_media &
> > proxy_media ?
> >
> > Max Kovalenko
> > ---------------
> > CyberVision Inc.
> >
> > ----- Original Message -----
> > From: "Dmitry Sytchev" <kbdfck at gmail.com>
> > To: "FreeSWITCH Users Help" <freeswitch-users at lists.freeswitch.org>
> > Sent: Tuesday, November 6, 2012 9:01:59 PM
> > Subject: Re: [Freeswitch-users] media proxy
> >
> >
> > Media proxy mode not only affects codecs, but any parameters negotiated
> by
> > SDP. We use media proxy to handle NAT and still allow untouched SDP
> > exchange between customer endpoints and PSTN gateway for T38, for example
> >
> >
> > 2012/11/6 Max Kovalenko < mkovalenko at cybervisiontech.com >
> >
> >
> > I'm getting the data from external DB containing subscribers' parameters.
> >
> > Max Kovalenko
> > ---------------
> > CyberVision Inc.
> >
> >
> >
> > ----- Original Message -----
> > From: "Ben Langfeld" < ben at langfeld.co.uk >
> > To: "FreeSWITCH Users Help" < freeswitch-users at lists.freeswitch.org >
> > Sent: Sunday, November 4, 2012 10:46:00 PM
> > Subject: Re: [Freeswitch-users] media proxy
> >
> >
> > Can you point to other software that provides this distinction in media
> > proxying?
> >
> > Regards,
> > Ben Langfeld
> >
> >
> >
> > On 4 November 2012 11:57, Max Kovalenko < mkovalenko at cybervisiontech.com>
> > wrote:
> >
> >
> > Unfortunately, it isn't well documented, or else I would not ask about
> > :))))))
> >
> > Those parameters perhaps are exclusive of each other, by mechanics they
> > affects to is almost the same. Or at least, I would call them two sides
> of
> > ame thing.
> >
> > Theoretically, if you consider the situation of bypass_media=true, that
> > means media flow bypass around Freeswitch, it also automatically
> > annihilates settings of proxy_media variable. It doesn't matter, even you
> > would set proxy_media=true for same channel, it should not provide you
> > "light proxy" of media flow, because your settign of bypass_proxy
> comprises
> > Freeswitch don't proxy media. Thus I guess in order to set "light" or
> > "hard" proxy the variable bypass_media must be set to FALSE first, for
> same
> > channel of course.
> >
> > My task requires either bypass media or light/hard proxy to be set for a
> > channel depending of some conditions of a session. In the other words, I
> > need to set up one of three modes per each channel.
> >
> > Perhaps I undestand something not so right - I will appreciate if you
> will
> > correct me with the following:
> >
> > 1. Default (full media proxy) : bypass_media=false ; proxy_media=false
> >
> > 2. Transparent proxy (mine "light proxy"): bypass_media=false;
> > proxy_media=true
> >
> > 3. Bypass media: bupass_media=true (it's doesn't matter what currect
> value
> > of proxy_media is)
> >
> > Thanks
> >
> >
> > Max Kovalenko
> > Team Leader
> > VoIP & UC Team
> > Managed Services Dept.
> > CyberVision Inc.
> > -------------------------------------------------
> > tel. +1 (201) 585-9809 ext. 215
> > Email: mkovalenko at cybervisiontech.com
> > Skype: mkovalenko_cv, panzer_meister
> > WWW: www.cybervisiontech.com
> >
> >
> >
> > ----- Исходное сообщение -----
> > От: "Ken Rice" < krice at freeswitch.org >
> > Кому: "FreeSWITCH Users Help" < freeswitch-users at lists.freeswitch.org >
> > Отправленные: Пятница, 2 Ноябрь 2012 г 17:12:11 GMT +02:00 Афины,
> Бухарест,
> > Стамбул Тема: Re: [Freeswitch-users] media proxy
> >
> >
> > Default, proxy and bybass media are exclusive of each other, you can not
> > combine them on a single call...
> >
> > Proxy media is just that proxy the media
> >
> > Bypass media is just that, bypass freeswitch and send the media direct
> > between the end point...
> >
> > Setting this options is fairly well documented on the wiki...
> >
> > On 11/2/12 9:13 AM, "Max Kovalenko" < mkovalenko at cybervisiontech.com >
> wrote:
> > > Hello,
> > >
> > > There are two modes of media stream to be proxied or bypassed.
> > >
> > > 1. Default - "hard proxy" supplying trans coding, DTMF manipulations,
> etc.
> > > 2. Proxy - "light proxy" supplying only symmetrical RTP for mostly NAT
> > > traversal purposes. No media stream parsing is supported
> > > 3. Media bypass - RTP streams are bypassing FreeSWITCH at all.
> > >
> > > There are also two channel parameters affecting above modes:
> bypass_media
> > > and proxy_media.
> > >
> > > - Are these parameters independent? Meaning the combination:
> > > bypass_media=true AND proxy_media=true is possible. What effect will
> be?
> > >
> > > - Does it means that if I want to turn on "light proxy" I would always
> > > need to set bypass_media=false AND proxy_media=true?
> > >
> > > - How to set "hard proxy" (full media proxy) per channel before to
> bridge
> > > legs?
> > >
> > > Waiting for your replay ASAP. Thank you in advance.
> > >
> > >
> > > Best Regards.
> > >
> > > Max Kovalenko
> > > Team Leader
> > > VoIP & UC Team
> > > Managed Services Dept.
> > > CyberVision Inc.
> > > -------------------------------------------------
> > > tel. +1 (201) 585-9809 ext. 215
> > > Email: mkovalenko at cybervisiontech.com
> > > Skype: mkovalenko_cv, panzer_meister
> > > WWW: www.cybervisiontech.com
> > >
> > >
> > >
> > >
> > >
> > >
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-- 
Best regards,

Dmitry Sytchev,
IT Engineer
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