Exchange controlling system for managing terminal groups

Details Exchange controlling system for managing terminal groups Exchange controlling system for managing terminal groups

1996-04-24

1997-01-28

Zele, Krista M.

Telephonic communications

Centralized switching system

Call distribution to operator

379265, 379309, 379211, 379212, 379201, H04Q 364

Patent

active

055984657

ABSTRACT:
An exchanging and controlling system which manages terminal groups, has a plurality of terminals. Terminal numbers of the terminals used as a group are registered in the system. A group number corresponding to a switch service is assigned to each of a plurality of terminal groups used for an exchange service. A plurality of terminals of which each has an individual terminal number are registered to belong to each of the terminal groups. The number dialed by a subscriber includes at least one digit corresponding to its group number and at least one digit which corresponds to the terminal number of the destination terminal.

REFERENCES:
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patent: 4956861 (1990-09-01), Kondo
patent: 5259017 (1993-11-01), Langmantel
patent: 5291549 (1994-03-01), Izumi
patent: 5329523 (1994-07-01), Saito et al.
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patent: 5339356 (1994-08-01), Ishii
patent: 5408527 (1995-04-01), Tsutsu
patent: 5414759 (1995-05-01), Ishikuri et al.
patent: 5422944 (1995-06-01), Sakai

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