Communication state management system and method in an intellige

Details Communication state management system and method in an intellige Communication state management system and method in an intellige

1996-12-16

1999-04-20

Loomis, Paul

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Of centralized switching system

379 1, 379 32, 379134, 379279, H04M 124, H04M 308, H04M 322

Patent

active

058964410

ABSTRACT:
A subscriber A accommodated in an SSP is connected to a terminal to which a telephone number is assigned by a number conversion service. The communication state of the converted telephone number becomes in a busy state, and a corresponding SSP number is written in a management table arranged in an SCP. If a fault occurs in the SSP, all of the calls to which a subscriber accommodated in the SSP is connected, are released. Once the SSP is restored from the fault, it notifies the SCP of the SSP number identifying the SSP together with a message notifying that the SSP is restored from the fault. The SCP searches for a management table using the SSP number received from the SSP, and changes all of the communication states of converted telephone numbers corresponding to the corresponding SSP number to an idle state.

REFERENCES:
patent: 5197096 (1993-03-01), Sukuma et al.
patent: 5365582 (1994-11-01), Yamada et al.
patent: 5455855 (1995-10-01), Hokari
patent: 5465294 (1995-11-01), Chapman, Jr. et al.
patent: 5572584 (1996-11-01), Yabusaki et al.
patent: 5646988 (1997-07-01), Hikawa

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