Station number portability

Details Station number portability Station number portability

1986-09-17

1988-06-28

Brown, Thomas W.

Telephonic communications

Special services

Service trigger

379211, 379221, H04M 342, H04M 700

Patent

active

047544791

ABSTRACT:
An arrangement is disclosed for providing station number portability to stations ported from an original switching node to a new switching node which allows the ported station to maintain its original assigned station number. A ported station retains its original assigned number when it's original and new node have a common data base. The common data base identifies what station number is currently associated with which node. The station can be ported from one node to another node by altering the data base to indicate the new association of the ported number and the node to which the station has been ported.

REFERENCES:
patent: 4284852 (1981-08-01), Szybicki et al.
patent: 4310727 (1982-01-01), Lawser
patent: 4313035 (1982-01-01), Jordan et al.
patent: 4313036 (1982-01-01), Jabara et al.
patent: 4348554 (1982-09-01), Asmuth
patent: 4442321 (1984-04-01), Stehman
patent: 4602363 (1986-07-01), Das et al.
"AXT121-A Digital Stored-Program-Controlled Exchange for Special Telecommunication Networks", T. Nilsson, Ericsson Review (Sweden), No. 4, 1984, pp. 186-196.

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