I ran into a problem when I want to have a separate music on hold for
multi-tenant only when using hold button on Polycom phone because when
polycom phone send re-invite to FS with no media for call hold; for some
reason, FS takes the default hold-music value from sip profile parameter.
I have set the hold_music variable on top of the dialplan, and it works for
other stuffs like transfer_ringback, etc.   But, the problem only happened
when using hold button from the phone.  Any suggestions would be appreciate.

-djbinter