<div dir="ltr"><div><div><div><div>I am gound flags for rtpproxy_manage(which help external (behind NAT) UA registerd on Kamailio call to Echo() test extension on Asterisk - it is "cwie". But for Peer-to-Peerm, registered on Kamailio and working though Asterisk dialplan, it must be rtpproxy_manage("cwii").<br>
<br></div>Thanks to author of this example of kamailio.cfg <br><a href="https://github.com/xlab1/sipfe_kamailio/blob/master/kamailio.cfg">https://github.com/xlab1/sipfe_kamailio/blob/master/kamailio.cfg</a><br><br></div>And from Kamailio documentation for rtpproxy_offer([flags [, ip_address]]):<br>
<br><ul class=""><li class="">
                        <p>
                                <span class=""><em>c</em></span> - flags to change the session-level
                                SDP connection (c=) IP if media-description also includes
                                connection information.
                                </p>
                      </li><li class="">
                        <p>
                                <span class=""><em>w</em></span> - flags that for the UA from which
                                message is received, support symmetric RTP must be forced.
                                </p>
                      </li></ul><br></div>Hope I am understand what I do =)<br></div>Thank you all for speaking with me! I'll be back... ASAP<br></div>