With a patched version of rtpproxy you can advertise your private ip. http://www.fredposner.com/voip/1457/kamailio-behind-nat/
---Fred > On Jan 21, 2014, at 6:18 AM, "John Smith" <jsmith...@mail.com> wrote: > > Hello, > > I am currently deploying one Kamailio behind NAT with one Asterisk as > explained in the Asipto KB (Kamailio 4.0.x and Asterisk 11.3.0 using Asterisk > Database). The structure is deployed as described in that document, with the > only addition of one NAT between Kamailio and Internet: > > Phone ———————> Nat ———————> Kamailio ——————> Asterisk > > I have declared the private IP with the advertise option in order to support > the NAT, enabled WITH_NAT and I have installed rtpproxy using standard Debian > package configured as rtpproxy -l public_ip_ -s udp:localhost:7722 > > After setting up two phones which register correctly at Asterisk, I have no > audio at all. > > By placing tcpdumps between nodes I see at Kamailio node both audio from > public IP to internal Kamailio IP and from the latter to the Asterisk IP. In > Asterisk I see audio coming from the Kamailio private IP and then back to the > public IP of the phone. > > My guess is that audio should flow back into Kamailio and then to the phone, > not directly from Asterisk as it is right now. > > Can anyone hint at where I am wrong? > > Thank you > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users@lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
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