Hi all, 

We have usual config Kamailio + Asterisk where Kamailio play as sip and rtp
proxy. Kamailio have public IP, asterisk - no. All calls between clients now
going like that:


UserA ---sip--> Kamailio --> Asterisk --> UserB

           \-rtp--> Kamailio (rtpproxy) --> Asterisk --> UserB


All clients of course from Internet and behind Nat. Main problem is amount
of traffic going through Kamailio and Asterisk. We need to pay for every
additional GB behind limit in tariff plan to hosting provider.

So we decided to try route all rtp traffic between users directly. 


UserA ---sip--> Kamailio --> Asterisk --> UserB

           \-rtp--> --> --> UserB


Is it possible at all? Maybe someone already did it .




BR, Alex



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