MOH not working

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One of the common symptoms to suggest that we are running into MOH issue are such as triple beeps / beep when you hit hold softkey..

Primarily, such issues are the cause of configuration negligence.
Let's ensure that configuration is good before we ring TAC-
  • Make sure that phone and gateways have right MRGL.
  • MRGL should contain required MOH server resources.
  • Make sure that MOH servers are registered with respective CUCM nodes.
# If it is not registered, then there can be two causes-
MOH flag is set to False.
IPVMSA service is not running.
  • MOH files need to be uploaded on all IPVMSA servers.

If you started facing this issue all of a sudden, then IPVMSA might got stuck and you need to restart IPVMSA service on all nodes.
But do make sure to take IPVMSA and CUCM traces on the detailed level in order to find out RCA of the issue.

References.

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