Single line telephone communication system

Details Single line telephone communication system Single line telephone communication system

H - Electricity

04

M

379/73

H04M 1/00 (2006.01) H04M 1/723 (2006.01) H04M 9/02 (2006.01)

Patent

CA 1244978

ABSTRACT OF THE DISCLOSURE A communication system for use with a single pair of externally provided telephone wires and a single pair of in-house wires for the provision of full intercom services and/or PABX type features to a plurality of subsets includes a line interface module connected between the single pair of externally supplied wires and a single pair of in-house wires. In addition, each subset is provided with a station adapter module between it and the single pair of in-house wires.

502609

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