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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Essentially offloading transcoding from UC to hardware resources. Under heavy load UC could suffer from heavy call volume. Checking to see if it’s possible.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> ccieid1ot [mailto:ccieid1ot@gmail.com]
<br>
<b>Sent:</b> Tuesday, January 25, 2011 4:44 PM<br>
<b>To:</b> Pat Hayes<br>
<b>Cc:</b> cisco-voip@puck.nether.net; Mark Marquez<br>
<b>Subject:</b> Re: [cisco-voip] Unity Connections (Native Transcoding)<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p>What are you trying to achieve to not use the unity for transcoding?<o:p></o:p></p>
<p>duy<br>
ccie #27737 voice<o:p></o:p></p>
<p>tmobile g2<o:p></o:p></p>
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<p class="MsoNormal">On Jan 25, 2011 5:30 PM, "Pat Hayes" <<a href="mailto:pat-cv@wcyv.com">pat-cv@wcyv.com</a>> wrote:<br>
> You are saying that when you have UC setup to advertise G711 and G729,<br>
> your G729 calls to it work, but when it is setup to only advertise<br>
> G711, G729 calls fail? That sounds like UC is transcoding just fine<br>
> and the problem is with your hardware transcoders. Have you verified<br>
> that the transcoders are listed in the device pool/MRGL associated<br>
> with the voicemail ports and that other devices with that same device<br>
> pool are able to complete similar call flows?<br>
> <br>
> <br>
> On Tue, Jan 25, 2011 at 4:39 PM, Mark Marquez <<a href="mailto:MMarquez@goldsys.com">MMarquez@goldsys.com</a>> wrote:<br>
>> I hope someone can provide some help. Below is an explanation of my iissue.<br>
>><br>
>><br>
>><br>
>> In Unity Connections I've set the Port Group settings to only advertise G711<br>
>> mu-law. From reading I found that Unity Connections does Native<br>
>> Transcoding. My remote branch devices are set to use G729 over the WAN.<br>
>> When I dial voicemail from remote branch phones using either the Pilot<br>
>> number or by using the Messages button calls get a fast busy. If I re-add<br>
>> the G729 codec to the advertised codec list on the Unity Connections Port<br>
>> Group then calls complete. Apparently Native Transcoding on the Unity Server<br>
>> is not working. I do have hardware transcoding resources available to the<br>
>> phones in question but they are not getting invoked. My understanding is<br>
>> that this is normal since Unity Connections should do the transcoding<br>
>> natively via its CPU. Any help is appreciated.<br>
>><br>
>> BTW, phones at headquarters which are set to use G711 do work when Unity<br>
>> Connections is set to only advertise G711. Remote branch phones connecting<br>
>> over the WAN using G729 fail.<br>
>><br>
>><br>
>><br>
>><br>
>><br>
>> _______________________________________________<br>
>> cisco-voip mailing list<br>
>> <a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br>
>> <a href="https://puck.nether.net/mailman/listinfo/cisco-voip">https://puck.nether.net/mailman/listinfo/cisco-voip</a><br>
>><br>
>><br>
> <br>
> _______________________________________________<br>
> cisco-voip mailing list<br>
> <a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br>
> <a href="https://puck.nether.net/mailman/listinfo/cisco-voip">https://puck.nether.net/mailman/listinfo/cisco-voip</a><o:p></o:p></p>
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