Method and apparatus for providing soft dial tone using office e

Details Method and apparatus for providing soft dial tone using office e Method and apparatus for providing soft dial tone using office e

1994-06-22

1997-08-19

Matar, Ahmad F.

Telephonic communications

Centralized switching system

Class of service determination or transmission

379 45, 379197, 379201, H04M 342

Patent

active

056596057

ABSTRACT:
An Advanced Intelligent Network is disclosed which permits even "disconnected" subscriber equipment to complete calls to the business office of the network operator or to 911 by providing soft dial tone to such users for access to only a limited sub-set of network capabilities. In addition, methods and apparatus are disclosed for coordinating the retrieval and presentation of data related to a particular subscriber's call to a Business Office Representative.

REFERENCES:
patent: 4577066 (1986-03-01), Bimonte et al.
patent: 4756020 (1988-07-01), Fodale
patent: 5309504 (1994-05-01), Morganstein
patent: 5311572 (1994-05-01), Friedes et al.
patent: 5416833 (1995-05-01), Harper et al.
patent: 5436957 (1995-07-01), McConnell

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