Music on Hold / Notifications with AppConference

I am using app_conference to host many small conferences. While this works fine, I am trying to use the Music On Hold / Notification patch provided here: … old-4.html

But, while I have compiled, installed, restarted Asterisk and invoke in this way:

exten => _X.,1,Conference(myconf|nh)

There is no music or notifications. Has anyone actually gotten this working?

Okay, I do have notifications working by doing it slightly different than most applications commands:

exten => _X.,1,Conference(myconf/nh)

But MOH is still not working. I do have MOH files installed in ulaw/g729/wav and a [default] in my musiconhold.conf. Any other ideas?

This gives me music:

exten => _X.,1,Conference(myconf/Sm)