<p>Always set transcoders closest to the source. Uccx, cue, etc.</p>
<p>duy<br>
ccie #27737 voice</p>
<p>tmobile g2</p>
<div class="gmail_quote">On Jan 25, 2011 6:42 PM, "Mark Marquez" <<a href="mailto:MMarquez@goldsys.com">MMarquez@goldsys.com</a>> wrote:<br type="attribution">> 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.<br>
> <br>> <br>> <br>> From: ccieid1ot [mailto:<a href="mailto:ccieid1ot@gmail.com">ccieid1ot@gmail.com</a>]<br>> Sent: Tuesday, January 25, 2011 4:44 PM<br>> To: Pat Hayes<br>> Cc: <a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a>; Mark Marquez<br>
> Subject: Re: [cisco-voip] Unity Connections (Native Transcoding)<br>> <br>> <br>> What are you trying to achieve to not use the unity for transcoding?<br>> <br>> duy<br>> ccie #27737 voice<br>> <br>
> tmobile g2<br>> On Jan 25, 2011 5:30 PM, "Pat Hayes" <<a href="mailto:pat-cv@wcyv.com">pat-cv@wcyv.com</a><mailto:<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><mailto:<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><mailto:<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><mailto:<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></div>