Intercom Calls in AMX Module

Greetings...

Doing my first intercom project with 3 panels and a Entry Comm. I want to add sound (i.e. ringer) to an Intercom call, the ui module plays a wav for the doorbell, but nothing on a panel to panel call. I've added code but the sound command is apparently ignored. In looking at the command flow, it seems the ^ICS command may prohibit the playing of sounds?? Would like to play this sound on Auto Answer or with the Popup Page/Manual Answer.

Any thoughts?

Thanks, Sonny