[cisco-voip] Transcoder Issue

Wes Sisk wsisk at cisco.com
Fri Aug 13 13:34:11 EDT 2010


On Friday, August 13, 2010 1:11:04 PM, Peter Slow <peter.slow at gmail.com> 
wrote:
>> routing (connectivity) to device in the other center?  If xcoder is invoked
>> then media may NOT flow from MoH server to xcoder properly. In this case it
>> would depend if you are using unicast or multicast (I don't think xcoders
>> handle multicast moh).  Does the CM hosting the MoH server have ip
>> connectivity to the xcoder?
>>     
>
> ..They dont, (neither will IOS MTPs or CFBs. and up until somewhat
> recently recently theres no multicast moh period across an ICT, even
> without a transcoder in the mix.
>
>   
ws: yep, 
http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/rel_notes/7_1_1/711newchange.html#wp694130
>> At the same time, what IP interface on the
>> router is the transcoder bound to?  It could be bound to an IP interface
>> that is not advertised in routing protocols so all devices don't know how to
>> reach the transcoder IP address.
>>     
>
> The interesting thign to consider here is that the xcoder , in order
> to be used, necessarily has IP connectivity with at least one CUCM
> unless someoens gone out of their way to cofngure separate media and
> signalling addresses.
>
> Oh wait, Tim, is your transcoder a CMM module? (I snicker, but ask a
> serious question)
>
> Tim, considering that you HAVE to have IP connectivity to one or more
> CUCM servers, do you know what server is doing MoH for the XOCDE? The
> MoH server will be selected from the MRGL on the device pool that the
> utilized transcoder is in.
>
> Thinking more abotu your issue aloud, can you tell us which side of
> the ICT the transcoder is invoked on? what I just stated regarding IP
> connectivity made the assumption that the transcoder is on the same
> side of the ICT as the IP phone user hitting the hold key.
>
> also, do everything wes said =)
>
> -Peter
>
>   
>> /wes
>>
>>   I’ve triple checked my configs with the transcoders and I never see any
>> calls being transcoded on my voicegateway.  I have the exact same setup at
>> another site with no issues.
>>
>>
>>
>> Any ideas?
>>
>>
>>
>> Thanks,
>>
>>
>>
>> Tim
>>
>> ________________________________
>> _______________________________________________
>> cisco-voip mailing list
>> cisco-voip at puck.nether.net
>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>
>>
>> _______________________________________________
>> cisco-voip mailing list
>> cisco-voip at puck.nether.net
>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>
>>
>>     

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://puck.nether.net/pipermail/cisco-voip/attachments/20100813/d3fe7ed9/attachment.html>


More information about the cisco-voip mailing list