intercom

As soon as he finished, he says he buzzed prison staff over the intercom, explaining that he was done with his prayer and could now eat.

Additional features include a talk-back intercom that allows parents to soothe their baby, as well as a night-light feature and customizable volume.

We would be outside the outer glass box and talk to him via an intercom system.

I was sitting in a 6th grade classroom when the principal came on the intercom to say the president had been shot.

The school had an intercom system aimed at stopping unauthorized entry--and he did it anyway.

“This one is for you, Salman,” George boomed over the intercom.

Forster recognized the voice on the intercom as Tom Summerford's.

Without waiting for an answer, he turned away from Mike and walked toward the cabinet that held the intercom speaker.

Nor could Logan switch to "intercom only," since a sudden radio silence would create anxiety below.

A few minutes later, Arcot seated himself at the control board and flipped on the intercom to the power room.

Morey pushed himself back to the observatory, and after a few minutes, his voice came over the intercom.