[Freeswitch-users] media proxy

Wed Nov 7 11:47:19 MSK 2012

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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> 
>  
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-- 
Ken 
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irc.freenode.net #freeswitch 

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_________________________________________________________________________ 
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Official FreeSWITCH Sites 
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_________________________________________________________________________ 
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-- 
Best regards, 

Dmitry Sytchev, 
IT Engineer 

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