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<p class="MsoNormal"><span style="color:#1F497D">If it was a codec disagreement, the call would fail. One-way audio is almost always a routing/firewall/NAT issue.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">-- <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Mike Norton<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I.T. Support<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Peace Wapiti School Division No. 76<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Helpdesk: 780-831-3080<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Direct: 780-831-3076<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net]
<b>On Behalf Of </b>Madziarczyk, Jonathan<br>
<b>Sent:</b> September-15-11 10:37 AM<br>
<b>To:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> [cisco-voip] IP Communicator 1way audio?<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">So here’s what the end user is claiming:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">From their laptop when they are on our network:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">CM to CM – 2 way<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">CM to PRI – 2 way<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">From their laptop when they VPN in (cisco vpn client):<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">CM to CM – 2 way<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">CM to PRI – 1 way audio<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">My initial guess is that the IP communicator client is outthinking itself and changing the codec to something that our Voice Gateway doesn’t understand or isn’t expecting, but only when it’s via VPN. Not quite sure how
to test this yet.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Suggestions on where to start?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">JonM<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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