Directory assistance call processing systems and related methods

Details Directory assistance call processing systems and related methods Directory assistance call processing systems and related methods

1995-12-21

1999-07-20

Chin, Wellington

Telecommunications

Radiotelephone system

Special service

455412, 455406, 455407, 455408, 455403, H04Q 720, H04Q 738

Patent

active

059267542

ABSTRACT:
In a telecommunications switching system, after a non-published listing has been located in response to a request from a calling customer station and after the calling customer has been qualified, a connection is set up between the calling customer station and a customer station identified by the listing. Qualified callers are those callers who satisfy at least one specified condition or criterion. Illustratively, the condition specified may be that the call must be placed from a telephone located within a geographic region from which the customer station identified by the listing is willing to accept calls. Alternatively, where the customer station identified by the listing is a cellular telephone, the condition may be that the calling customer accepts all charges associated with the cellular communication link. The directory assistance call is completed without announcing the non-published number to the calling customer.

REFERENCES:
patent: 5329578 (1994-07-01), Brennan et al.
patent: 5339352 (1994-08-01), Armstron et al.
patent: 5450476 (1995-09-01), D'Apuzzo et al.
patent: 5473671 (1995-12-01), Partridge, III
patent: 5509049 (1996-04-01), Peterson
patent: 5579379 (1996-11-01), D'Amico et al.
patent: 5613006 (1997-03-01), Reese

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