[cisco-voip] External MOH Not Working

[Ruben Trujillo]

Hello,

We're seeing a weird issue after a recent migration to SIP trunks for some of our offices.  The MOH is set to silent for both internal and external callers in CUCM via the Common Device Config.  This works fine for internal calls but plays hold tones for external callers.  I've done some research on this and it appears to be related to having a SIP trunk versus a traditional T1.  I just can't find anything that definitively says what it is.  Has anyone experienced this and found a fix?

Thanks,
Ruben Trujillo
IT Telecom

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