<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:10pt"><div>Hi fellows.<br><br>I've been looking for a solution to solve this problem. The Openser is running<br>over 2 IPs: private and public. I also have 2 ATAs: one of them has a private IP<br>and the second has a public. When the session is established, ATA A will send<br>RTP to the Openser private interface and ATA B will send to its public IP. RTPProxy will<br>route the "private RTP packets" to "public network" and vice-versa<br><br>private public<br>ATA A
Openser ATA B<br>------- INVITE -------> private IP<br> public IP ------- INVITE -----> <br><br><br>I've implemented a script but it doesn't work like the way described above. <br>When Openser receives the INVITE through its private IP, it forwards the <br>message to ATA B using the its private IP. <br>I saw that RTPProxy has a bridge mode and the Nathelper's function has <br>some parameters to handle with it. The SDP's 'c header' is changed properly when<br>I use them, but the source IP (when Openser sends it to the public ATA) remains private (I'm not thinking that 'force_rtp_proxy' will set the network layer). In one hand, I already <br>have the SDP set properly; but the source address still belonging to the private<br>network. So,
I just have 50% done. I tried to add an argument in "t_relay", like "udp:XXX.YYY.WWW.ZZZ:5060", without success.<br>I don't know if what I want is possible: this behavior belongs to a "IP router", interconnecting 2 different networks. I didn't find anything similar to this (maybe I didn't search enough (and I believe that it is the only clever thing here until now...)). <br>So... Am I getting crazy or it is clearly possible? (perhaps both..)<br><br>Regards<br>Bruno Machado<br></div></div><br>
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