Option bus

Details Option bus Option bus

H - Electricity

04

M

H04M 3/42 (2006.01) H04M 1/253 (2006.01) H04M 1/60 (2006.01)

Patent

CA 2100702

A method and apparatus for connecting .remote options to a digital telephone base. Physical and communications protocols for connections and a flexible control scheme which can be as simple or elaborate as a given option requires are provided. The digital telephone include: an option bay connection, having a hierarchical control protocol. The option bay connection makes available several types of information, including: local analog audio, analog voice, digital voice, digital data and telephone control streams.

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