[Freeswitch-users] RTP traffic on LAn

Raimund Sacherer raimund.sacherer at logitravel.com
Fri Jan 11 14:19:12 MSK 2013


isn't there allready a protocol that does that? ICE? 

this is an excerpt from the SNOM wiki page (we have about 280 snom phones in action): 

--- snip --- 
ICE DESCRIPTION Choose whether or not you want to use ICE (Interactive Connectivity Establishment). ICE optimizes the media path. This would be the case, for example, when two phones in the same network are calling each other via a long media path through other, external networks. With ICE, the short media path in the same network would be chosen, which will presumably have better quality than the long one. Sometimes this feature will stop you from being able to make calls. When this occurs, switch it off. 
--- snip --- 

Link here: http://wiki.snom.com/Settings/user_ice 

Here seems to be more information, check "Probing Media Path": http://wiki.snom.com/Networking/NAT 



----- Original Message -----

From: "Chris B. Ware" <chrisbware at yahoo.it> 
To: freeswitch-users at lists.freeswitch.org 
Sent: Viernes, 11 de Enero 2013 10:30:52 
Subject: [Freeswitch-users] RTP traffic on LAn 

Hi all, 

I'm trying to find a way to let RTP traffic between two phones, registered to a public Freeswitch, on the same LAN, remain local. 
Usually phones are natted behind an ADSL router and using two RTP streams to speack each other (because, for example, are on different 
rooms on the same office) consume a lot of bandwidth. 

Is there anyone who has found a solution to this problem? 

I was thinking on using SIP INFO for sending DTMF (in case customer have to use some phone features activated via phone), using 
private IP (no STUN on phones) and keeping FS out of RTP streaming. 

Any help will be appreciated. 


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