[cisco-voip] MoH trouble over WAN

[Ryan Ratliff]

Is g.729 the only codec you have enabled for MOH?

In your last example it is not the branch phone getting put on hold,  
it is the HQ phone.   What is the region setting between the MOH  
server and the HQ phone?

My guess is you only have enabled g.729 for MOH and the region setting  
is g.711 for the HQ phone and the MOH server.  CUCM is trying to  
invoke a transcoder and fails, thus you get tone on hold.   Remember  
in the service parameters for IPVMSA you can select multiple codecs.


-Ryan

On Nov 11, 2009, at 1:45 PM, Marcelo Zilio wrote:

Hi,

I have a situation with Music on Hold on a CallManager 3.3(3)sr3.

1) Users call from PSTN to a phone on branch office say DN 2000. Phone  
2000 puts PSTN user on hold and PSTN user hears music.

2) Users call from branch office to branch office using same location/ 
device pool/region say DN 2001 to DN 2000. Phone 2000 puts 2001 on  
hold and 2001 hears music.

3) Users call from HQ office DN 1000 to branch office DN 2000 over  
WAN. Phone 2000 puts 1000 on hold and 1000 hears just three tones.

Music on Hold is set to G.729 under Cisco IP Voice Media Streaming App  
Service Parameters.
Music on Hold server Region uses G.729 to talk to branch office.

I want HQ users should be able to hear music as well. So what it's  
wrong?

Thanks
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