Cordless key telephone system with multiple tenant facility

Details Cordless key telephone system with multiple tenant facility Cordless key telephone system with multiple tenant facility

1992-09-21

1994-11-15

Kuntz, Curtis

Telephonic communications

Audio message storage, retrieval, or synthesis

379 63, 379156, 379164, H04M 1102

Patent

active

053655729

ABSTRACT:
In a cordless key telephone system in which radio-frequency connections are established between exchange lines and cordless stations in response to a call request, a ringing signal is transmitted in response to an incoming call by containing in it the identification of the line at which the call is terminated. Each cordless station has an array of line keys associated respectively with the exchange lines and an array of line indicators associated respectively with the line keys, and a memory for storing tenant data indicating the lines to which the cordless station is authorized to access. The cordless station examines the tenant data in response to receipt of the ringing signal, and activates one of the line indicators if the indicated line is found in the tenant data, or examines the tenant data in response to an outgoing call originated from the cordless station operating a line key, and allows a connection to be established from that station to an exchange line when the line associated with the operated line key is found in the tenant data.

REFERENCES:
patent: 4538029 (1985-08-01), Gazzoli et al.
patent: 4559417 (1985-12-01), Komuro et al.
patent: 4750198 (1988-06-01), Harper
patent: 4768218 (1988-08-01), Yorita
patent: 4794642 (1988-12-01), Arbabzadah et al.
patent: 4817190 (1989-03-01), Comroe et al.

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