Method for accommodating ported directory numbers affected by ca

Details Method for accommodating ported directory numbers affected by ca Method for accommodating ported directory numbers affected by ca

1996-10-17

1999-04-20

Hong, Harry S.

Telephonic communications

Special services

Call diversion

379134, 379139, 379220, 379230, H04M 342, H04M 1500, H04M 700

Patent

active

058964479

ABSTRACT:
A method for implementing all blocking controls in a telecommunications system supporting ported directory numbers comprises initializing each switch with a call blocking control. In the preferred embodiment, ported directory numbers are identified, and a number portability data base is accessed to aid in determining whether the call blocking control applies to the ported directory number. If the ported directory number is not subject to the implemented call blocking control, the ported directory number is exempted.

REFERENCES:
patent: 5610915 (1997-03-01), Elliott et al.
patent: 5661782 (1997-08-01), Bartholomew et al.

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