Key telephone system intercom arrangement

Details Key telephone system intercom arrangement Key telephone system intercom arrangement

H - Electricity

04

M

379/18, 379/33,

H04M 1/60 (2006.01) H04M 1/72 (2006.01) H04M 3/40 (2006.01) H04M 9/00 (2006.01) H04M 9/10 (2006.01)

Patent

CA 1049671

Abstract of the Disclosure A key telephone system is disclosed in which intercom calls may be answered "hands-free" at the called station. Intercom calls are originated in the standard manner, with the subscriber picking up the handset at the calling station and dialing the number of the called station. A voice communication path is established through the station selector to the telephone set represented by the dialed number. DC bias on this communication path through the station selector activates a loudspeakers and microphone arrangement in the called telephone set. The called party may thus converse "hands-free" with the calling party by utilizing the activated loudspeaker and microphone of the station set, and need not manipulate the station set for the duration of the conversation.

263835

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