We heard a muted voice over the intercom.
The second includes installation of an intercom and buzzer system in every police cell, linked to a console beside the duty officer's desk.
Drag to indicate the location of a camera with an intercom.
closed-circuit television security and intercom system
braille intercom point [airport railway]
"What are you doling?" she once demanded over the intercom.
I was mortified when my mother paged me on the store intercom.
Used in locomotive communication, pocked intercom telephones, car audio circuits, etc.
