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<div class="moz-cite-prefix">On 03/14/2013 12:34 PM, Developing
Tomorrow wrote:<br>
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<p class="MsoNormal">Hi.,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This is my first mail to this mailing list,
so please forgive my erroneous procedure if it might be.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have installed sipwise CE, with some
pains but it does the job.<o:p></o:p></p>
<p class="MsoNormal">If I use a provider connected over normal
line (any normal sip provider)<o:p></o:p></p>
<p class="MsoNormal">The signalling is done properly I can see
the messages, but then the audio is not following.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">By that I mean I cannot hear the ringtone
nor can I hear the other party talking, nor they can hear me.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have tried over a vpn, and I have one way
audio.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The system is installed on a public server
with the default iptables.<o:p></o:p></p>
<p class="MsoNormal">I have created only 1 domain that receive
the external connections on port 5060<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">On the other hand, I have a vpn conection
to a foreign network.<o:p></o:p></p>
<p class="MsoNormal">Client-----XXXXX (public ip)
----------provider********************* no audio nor A nor B
leg.<o:p></o:p></p>
<p class="MsoNormal">Client-----XXXXX(public
ip)----------VPN_start
(10.8.0.1)-------------VPN_end(10.8.0.6)-----------provider
(172.26.10.2 [not real])******** 1 way audio, they do not hear
me<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Anybody can shade a light here?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thx<o:p></o:p></p>
<p class="MsoNormal">herve<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<pre wrap="">_______________________________________________
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<br>
<br>
<tt>Hi Herve,<br>
please check your mediaproxy process, is it running properly (ps
-ef | grep mediaproxy) and listening on your public IP ?<br>
If the client is behind nat, please make sure it's not using any
kind on STUN server to discover its own public IP, or ICE or
whatever, NAT stuffs are handled by NGCP.<br>
<br>
Try to run ngrep-sip and check the SIP messages. SDP part of
INVITE to provider and of 200 OK to the client should contain the
mediaproxy's public IP.<br>
<br>
<br>
Daniel<br>
</tt>
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