<div dir="ltr">Is this issue resolved? I seem to hit the same issue right now.<div><br></div><div>Here is what I did</div><div><ul><li>a fresh FS 1.6 build from master git branch on debian8/jessie, (following<a href="https://freeswitch.org/confluence/display/FREESWITCH/Debian+8+Jessie"> this instruction</a>, "compile latest master")</li><li>since the machine is on AWS (NAT'ed), I loosely followed <a href="https://freeswitch.org/confluence/display/FREESWITCH/Amazon+EC2">this instruction.</a> FS works fine with audio on two X-lite clients.</li><li>followed a couple of verto/video related links to get verto communicator working (sort of) but without audio/video, the same issue reported here.</li></ul><div>I did follow Giovanni's suggestion on setting <span style="color:rgb(80,0,80);font-size:12.8px"><param name="ext-rtp-ip" value="$${external_rtp_ip}"/> in verto.conf.xml. That fixed RTP address in caller side. However, SDP received on callee side is still using private address. See below.</span></div><div><span style="color:rgb(80,0,80);font-size:12.8px"><br></span></div><div><br></div></div><div><font color="#500050"><span style="font-size:12.8px">Remote SDP on callee side</span></font></div><div><pre style="color:rgb(0,0,0)">type: offer, sdp: v=0
o=FreeSWITCH 1457907139 1457907140 IN IP4 172.30.0.223
s=FreeSWITCH
c=IN IP4 172.30.0.223
t=0 0
a=msid-semantic: WMS QTxWvKXI4optn9Z4do0kb1cAyOQE1rCI
m=audio 18480 RTP/SAVPF 111 9 0 8
a=rtpmap:111 opus/48000/2
a=fmtp:111 minptime=10; useinbandfec=1; stereo=1; sprop-stereo=1
a=rtpmap:9 G722/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=fingerprint:sha-256 B0:6B:27:66:D3:1E:F9:CD:C7:F2:D8:A5:6A:58:6F:8E:93:6F:84:2B:6F:B2:D0:70:BC:65:3A:5E:52:2A:E9:E8
a=setup:actpass
a=rtcp-mux
a=rtcp:18480 IN IP4 172.30.0.223
a=ssrc:988985139 cname:aZvwzi4uwkNKkC</pre><pre style="color:rgb(0,0,0)"><br></pre></div><div><font color="#500050"><span style="font-size:12.8px">By contrast, below is the remote SDP on caller side.</span></font></div><div><font color="#500050"><span style="font-size:12.8px"><br></span></font></div><div><pre style="color:rgb(0,0,0)">type: answer, sdp: v=0
o=FreeSWITCH 1457901489 1457901490 IN IP4 52.53.227.122
s=FreeSWITCH
c=IN IP4 52.53.227.122
t=0 0
a=msid-semantic: WMS qejP8dntVtvBWvqJkQ59aKDPVpHbyKvO
m=audio 25168 UDP/TLS/RTP/SAVPF 111 126
a=rtpmap:111 opus/48000/2
a=fmtp:111 useinbandfec=1; minptime=10; stereo=1; sprop-stereo=1
a=rtpmap:126 telephone-event/8000
a=silenceSupp:off - - - -
a=ptime:20
a=sendrecv
a=fingerprint:sha-256 B0:6B:27:66:D3:1E:F9:CD:C7:F2:D8:A5:6A:58:6F:8E:93:6F:84:2B:6F:B2:D0:70:BC:65:3A:5E:52:2A:E9:E8
a=setup:active
a=rtcp-mux
a=rtcp:25168 IN IP4 52.53.227.122</pre></div><div><font color="#500050"><span style="font-size:12.8px">To prove the setup is right, I added "bypass_media= true" to the default dialplan. And now I can see audio/video with verto communicator. That seems to indicate something is wrong with verto/FS.</span></font></div><div><font color="#500050"><span style="font-size:12.8px"><br></span></font></div><div><font color="#500050"><span style="font-size:12.8px">Any thoughts? Why verto does give right rtcp address to callee? Many thanks.</span></font></div><div><font color="#500050"><span style="font-size:12.8px"><br></span></font></div><div><font color="#500050"><span style="font-size:12.8px">Jun</span></font></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Oct 9, 2015 at 12:39 PM, Giovanni Maruzzelli <span dir="ltr"><<a href="mailto:gmaruzz@gmail.com" target="_blank">gmaruzz@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">erase your all install, and start from scratch following exactly, step by step <a href="https://freeswitch.org/confluence/display/FREESWITCH/FreeSWITCH+1.6+Video" target="_blank">https://freeswitch.org/confluence/display/FREESWITCH/FreeSWITCH+1.6+Video</a><br></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Oct 9, 2015 at 9:34 PM, Tao Zhang <span dir="ltr"><<a href="mailto:tao@petatrading.com" target="_blank">tao@petatrading.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Yes, I did <div><br></div><div>systemctl stop freeswitch<br></div><div><br></div><div>then </div><div><br></div><div>systemctl start freeswitch<br></div><div><br></div><div>I also tried to modify internal.xml and external.xml following some instructions on <a href="https://wiki.freeswitch.org/wiki/NAT_Traversal" target="_blank">https://wiki.freeswitch.org/wiki/NAT_Traversal</a>. I think this verto video conf demo is not using those sip profiles? It did not fix the problem either anyway.</div><div><br></div><div>Thanks</div><span><font color="#888888"><div><br></div><div>Tao</div><div><br></div></font></span></div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Oct 9, 2015 at 12:13 PM, Giovanni Maruzzelli <span dir="ltr"><<a href="mailto:gmaruzz@gmail.com" target="_blank">gmaruzz@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote"><span>On Fri, Oct 9, 2015 at 3:06 PM, Tao Zhang <span dir="ltr"><<a href="mailto:tao@petatrading.com" target="_blank">tao@petatrading.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">In verto.conf.xml, there is a param for ext_rtp_ip, but it was commented out.<div><br></div><div><!-- <param name="ext-rtp-ip" value=""/> --><br></div><div><br></div><div>I tried to uncomment this param and set it to the FS external IP, but it dd not fix the problem..</div><span><font color="#888888"><div><br></div></font></span></div></blockquote><div><br></div></span><div>have you restarted mod_verto, or freeswitch ?<br></div><div><div><div><br> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><span><font color="#888888"><div></div><div>Tao</div><div><br></div></font></span></div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Oct 9, 2015 at 4:50 AM, Giovanni Maruzzelli <span dir="ltr"><<a href="mailto:gmaruzz@gmail.com" target="_blank">gmaruzz@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">FS is almost always behind a NAT.<br>
You must set ext-rtp-ip in verto.conf.xml (can't remember the variable name now from cellphone. Check into verto.conf.xml)<br></p>
<p dir="ltr">sent from my mobile,<br>
Giovanni Maruzzelli<br>
cell: +39 347 266 56 18</p>
<div class="gmail_quote"><div><div>On Oct 9, 2015 8:17 AM, "Tao Zhang" <<a href="mailto:tao@petatrading.com" target="_blank">tao@petatrading.com</a>> wrote:<br type="attribution"></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr">Hi all,<div><br></div><div>I have been tracking down why my FS verto video conf demo setup not working. Now I believe the reason is my FS server is behind a NAT. My previous posts may be misleading now, so I am creating a new thread. </div><div><br></div><div>Some evidence I saw:</div><div><br></div><div>1) In the SDP dialog, I saw my FS server's internal IP got used, rather than its public IP, for example</div><div><br></div><div><div>Dialog 6c62f631-469c-a2f0-e484-6e9cfcda7eedANSWER SDP v=0</div><div>o=FreeSWITCH 1444254094 1444254095 IN IP4 10.240.15.244</div><div>s=FreeSWITCH</div><div>c=IN IP4 10.240.15.244 <=============</div><div>t=0 0</div></div><div><br></div><div>2) Also, in wireshark , I saw my client is trying to send STUN packets to the FS server's internal IP,</div><div><br></div><div>450<span style="white-space:pre-wrap"> </span>18.252726000<span style="white-space:pre-wrap"> </span>192.168.1.7<span style="white-space:pre-wrap"> </span>10.240.15.244<span style="white-space:pre-wrap"> </span>STUN<span style="white-space:pre-wrap"> </span>158<span style="white-space:pre-wrap"> </span>Binding Request user: mlvLvmDzCphyQYz5:N3MZoB99aGiAZotr<br></div><div><br></div><div>So now my questions are Will the verto video conf demo work when the FS server is behind NAT? If so, could someone help me with the necessary config changes and etc.?</div><div><br></div><div>Thanks so much!</div><div><br></div><div>Tao</div><div><br></div></div>
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