Navy ICA Sound Powered Telephones Practice Test

In a basic S/P Phone Station, the loudspeakers are there so others in the same area can hear the conversation without needing to crowd around the handset. A simple setup uses either one speaker for a compact space or two speakers to cover a larger area or provide a bit of redundancy. Having zero loudspeakers would defeat the purpose of the station’s monitoring capability, and three or more is beyond a basic configuration and isn’t typical for standard S/P Phone Stations. So, the station is designed to include one or two loudspeakers.