The voice of John's secretary came over the telephone intercom and he retreated behind his desk to take care of it.
A tall iron fence surrounds their house and electronic gates with an intercom are the only way in.
The Blue Hawk leader nodded solemnly and passed her the speaker for the intercom .
the pilot's voice comes over the intercom
a special intercom linking the theatre with the pathology lab
The two of you communicate over an intercom , with the experimenter standing next to you.
A moment later, the intercom chirped and a deeply gruff voice spoke from the speaker.
Some systems allow you to use another handset as the intercom instead of the base station.
The Captain was just beginning to grow angry, when she remembered that all of the intercoms in both hangars frequently shorted out, due to the heavy fumes and chemicals present.
Tests were run over telephones and intercoms to determine optimum degrees of loudness for giving instructions and commands.