Music on Hold problem

Answered Question
May 6th, 2010

I've a strange problem with Music on Hold, sometimes when I call the operator (from external call) I cannot hear the music on hold...about 1 time per 10.


The architecture is made by:


- CUCM version 6.1.4


- Attendant Console ( Music on Hold for Network Hold MOH Audio Source and User Hold MOH Audio Source)



I don't know how I can resolve this problem, can you help me?

Thanks

Correct Answer by marcioreesink about 6 years 9 months ago

Check this bug CSCta10219.

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mwheinz Thu, 05/13/2010 - 13:40

What kind of gateway is it and what protocol is it using?  Can you post the config?

mshamkumar Fri, 10/08/2010 - 12:25

Check debug messages of music on hold...call was off net...


Oct  8 15:20:16.538 EDT: moh_update_rtp: callID 27457 dstCallID -1
Oct  8 15:20:16.542 EDT: moh_update_rtp: callID 27457 dstCallID 27456
Oct  8 15:20:16.542 EDT: moh_update_rtp: callID 27457 dstCallID 27456
Oct  8 15:20:16.702 EDT: moh_update_rtp: callID 27457 dstCallID 27456
Oct  8 15:20:16.702 EDT: moh_process_ccb: dstadr 10.200.140.20, callid 27456, port 21456,
                codec 16, moh_en 0, moh_addr 0.0.0.0
Oct  8 15:20:16.702 EDT: moh_update_rtp: callID 27457 dstCallID 27456
BALAVOIP001#
Oct  8 15:20:27.990 EDT: moh_update_rtp: callID 27457 dstCallID 27456
BALAVOIP001#
Oct  8 15:20:35.447 EDT: moh_update_rtp: callID 27447 dstCallID 27446
Oct  8 15:20:35.495 EDT: moh_update_rtp: callID 27447 dstCallID 27446
Oct  8 15:20:35.499 EDT: moh_update_rtp: callID 27449 dstCallID 27448
Oct  8 15:20:35.503 EDT: moh_delete_ccb: called dstadr 0.0.0.0, callid 0
Oct  8 15:20:35.503 EDT: moh_update_rtp: callID 27449 dstCallID 27448
Oct  8 15:20:35.515 EDT: moh_delete_ccb: called dstadr 0.0.0.0, callid 0
BALAVOIP001#
Oct  8 15:20:47.911 EDT: moh_update_rtp: callID 27457 dstCallID 27456
Oct  8 15:20:47.915 EDT: moh_delete_ccb: called dstadr 0.0.0.0, callid 0

Sajjit Rajagopal Fri, 10/08/2010 - 13:31
The common reasons  for MOH silence:
1. Moh server not  enabled for particular codec
Please check under  system>service parameter>server>service(CiscoIP Voice Media Streaming  App)>Clusterwide paramters>Supported MOH codecs
2. Audio files not  uploaded to all servers.
Log into gui of each  server and check under Media Resources>MOH audio file management has the  files.
If not them upload  them to each server.
3. MOH is being  setup correctly, but RTP is not making it to the other end (routing  issue).

mshamkumar Fri, 10/08/2010 - 14:06

What ever you suggusted i alredy did execpt routing...what things i have to check with routing....

rodcleaves Sat, 11/13/2010 - 18:02

I've been fighting this probelm for weeks. Normally you might avoid multicast for MOH but I'm told an acceptable workaround is to enable multicasting for the MOH servers and audio sources. Limited testing so far *SEEMS* to have corrected the problem. Monday morning testing will tell us for sure.

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