Communication apparatus

Details Communication apparatus Communication apparatus

1991-06-13

1993-11-30

Dwyer, James L.

Telephonic communications

Supervisory or control line signaling

Substation originated

379355, 379201, 379210, H04M 164

Patent

active

052673073

ABSTRACT:
A communication apparatus includes a memory for storing extension number information or transfer destination information in association with calling party number information, a unit for receiving calling party number information sent from a calling party at a called party, a unit for comparing the calling party number information received by the receiving unit with the calling party number information stored in the memory; and a unit for notifying a call reception to an extension terminal equipment identified by the extension number information associated with the calling party number information received by the receiving unit, or transferring a call reception to the transfer destination associated with the calling party number information received by the receiving unit, respectively, in accordance with the comparison result by the comparing unit.

REFERENCES:
patent: 4266098 (1981-05-01), Novak
patent: 4277649 (1981-07-01), Sheinbein
patent: 4304968 (1981-12-01), Klausner et al.
patent: 4451705 (1984-05-01), Burke et al.
patent: 4567323 (1986-09-01), Lottes et al.
patent: 4672660 (1987-06-01), Curtin
patent: 4674115 (1987-06-01), Kaleita et al.
patent: 4709387 (1987-11-01), Masuda
patent: 4723273 (1988-02-01), Diesel et al.
patent: 4802202 (1989-01-01), Takahashi et al.
patent: 4817133 (1989-03-01), Takahashi et al.
patent: 4894861 (1990-01-01), Fujioka

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