Telephone line selector for use with a PBX

Details Telephone line selector for use with a PBX Telephone line selector for use with a PBX

1983-10-07

1986-12-02

Brown, Thomas W.

Telephonic communications

Special services

Call diversion

379265, 379308, H04M 350, H04Q 364

Patent

active

046266275

ABSTRACT:
A device for use with executive and secretarial telephone units associated in a work group, having a programmable microprocessor which selectively controls the connection of incoming telephone lines to the secretarial telephone units and monitors the status of the telephone lines and provides such information to the secretarial telephone units.

REFERENCES:
patent: 3843845 (1974-10-01), Ridley
patent: 4196316 (1980-04-01), McEowen et al.
patent: 4376875 (1983-03-01), Betrne
patent: 4383137 (1983-05-01), Aikawa et al.
patent: 4408100 (1983-10-01), Pritz et al.
patent: 4451705 (1984-05-01), Burke et al.

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