[cisco-voip] Unity Connections (Native Transcoding)

[ccieid1ot]

Always set transcoders closest to the source.  Uccx, cue, etc.

duy
ccie #27737 voice

tmobile g2
On Jan 25, 2011 6:42 PM, "Mark Marquez" <MMarquez at goldsys.com> wrote:
> 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.
>
>
>
> From: ccieid1ot [mailto:ccieid1ot at gmail.com]
> Sent: Tuesday, January 25, 2011 4:44 PM
> To: Pat Hayes
> Cc: cisco-voip at puck.nether.net; Mark Marquez
> Subject: Re: [cisco-voip] Unity Connections (Native Transcoding)
>
>
> What are you trying to achieve to not use the unity for transcoding?
>
> duy
> ccie #27737 voice
>
> tmobile g2
> On Jan 25, 2011 5:30 PM, "Pat Hayes" <pat-cv at wcyv.com<mailto:
pat-cv at wcyv.com>> wrote:
>> You are saying that when you have UC setup to advertise G711 and G729,
>> your G729 calls to it work, but when it is setup to only advertise
>> G711, G729 calls fail? That sounds like UC is transcoding just fine
>> and the problem is with your hardware transcoders. Have you verified
>> that the transcoders are listed in the device pool/MRGL associated
>> with the voicemail ports and that other devices with that same device
>> pool are able to complete similar call flows?
>>
>>
>> On Tue, Jan 25, 2011 at 4:39 PM, Mark Marquez <MMarquez at goldsys.com
<mailto:MMarquez at goldsys.com>> wrote:
>>> I hope someone can provide some help. Below is an explanation of my
iissue.
>>>
>>>
>>>
>>> In Unity Connections I've set the Port Group settings to only advertise
G711
>>> mu-law. From reading I found that Unity Connections does Native
>>> Transcoding. My remote branch devices are set to use G729 over the WAN.
>>> When I dial voicemail from remote branch phones using either the Pilot
>>> number or by using the Messages button calls get a fast busy. If I
re-add
>>> the G729 codec to the advertised codec list on the Unity Connections
Port
>>> Group then calls complete. Apparently Native Transcoding on the Unity
Server
>>> is not working. I do have hardware transcoding resources available to
the
>>> phones in question but they are not getting invoked. My understanding is
>>> that this is normal since Unity Connections should do the transcoding
>>> natively via its CPU. Any help is appreciated.
>>>
>>> BTW, phones at headquarters which are set to use G711 do work when Unity
>>> Connections is set to only advertise G711. Remote branch phones
connecting
>>> over the WAN using G729 fail.
>>>
>>>
>>>
>>>
>>>
>>> _______________________________________________
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>>> cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
>>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>>
>>>
>>
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