[Serusers] RTPProxy h/w and s/w

[Nithin Rajagopal]

Hello,

I am newbie to this field. We are trying to use a separate card for 
handling the rtp voice traffic but use the RTPProxy (IPtel) software to 
handle the  NAT issues. We have been fairly successful in doing that.

The problem now is to handle asymmetric NATs. I hear one way audio.We 
are not sure how to handle this when there is one machine running 
rtpproxy software and another card with a different IP handling the SDP 
(In nathelper.c of Openser new_ip= card IP). In the symmetric NAT 
scenario this works fine. I would appreciate and pointers to modify 
rtpproxy for this configuration.

We use rtpproxy 0.3, Opneser 1.1.0.

  -the card only handles RTP data and has its
   own GbE port

  - made changes to nathelper.c nathelper.cfg
   source code to account for separate IP addrs

 - made changes to  RTPProxy to open channels for RTPtraffic flow on the card.

 -Openser,RTPProxy and the card , all 3 different Public IPs



Thanks

Nithin