[asterisk-users] MusicOnHold starts magically for no reason

[Doug Lytle]

>> So, looks like no solution exists to correct this (as I understand

If you're 100% SIP, then probably.  If you're bridging between SIP handsets and a PRI, then I believe you can.

I think it can be controlled though chan_dahdi.conf.  The option is called (Was called?) mohinterpret.

Search that config file for moh or music on hold.

Doug