MOH not functioning for external callers

[rvanderwerf]

Hello,

I've got a problem with MOH.

When someone from outside calls someone internal and the internal person puts the caller on hold, the caller is not hearing any music nor tone.

I'm working with CCM 3.3.3SR4a and a H.323 voice gateway. The music on hold audio is configured for multicast and unicast. The router is also configured for multicasting.

Can you give me any suggestion or a good example of an H.323 gateway configuration.

Thanks for your time,

Raymond.

[tepatel]

MOH config is required to be done on CallManager. As far as GW goes, you can just point the voip dial-peer to CM. So here is the link for CM config

http://www.cisco.com/en/US/customer/products/sw/voicesw/ps556/products_administration_guide_chapter09186a00801819bd.html

Here is the link for GW configs related to H323 and other

http://www.cisco.com/cgi-bin/Support/browse/psp_view.pl?p=Technologies:H323&viewall=true

[rvanderwerf]

Hi,

Thanks for your reaction, but the MOH is internally working fine.

The only problem I've got is a call through my H.323 gateway.

[rvanderwerf]

Hi,

I've found the solution.

I've put a mark in the gateway option 'Media Termination Point Required' and everything is functioning.

[chris_evans]

I would advise against using the MTP.. with this enabled it will hairpin all gateway traffic to the MTP device (which is probably your callmanager)

Very innefficient..

Although I had the same problem, and was not sure if there is a way to fix it..

What I did was make another media resource group, and not enable multicast MOH on that group. It now uses Unicast.. Albeit not as good as multicast at least its not hairpinnig off of the callmanager.