U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Method and system for personalized directory assistance services

Patent 5966437 Issued on October 12, 1999. Estimated Expiration Date: Icon_subject April 29, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Directory assistance call processing and calling customer remote signal monitoring arrangements
Patent #: 4959855
Issued on: 09/25/1990
Inventor: Daudelin

Directory assistance systems
Patent #: 4979206
Issued on: 12/18/1990
Inventor: Padden, et al.

Automation of telephone operator assistance calls
Patent #: 5163083
Issued on: 11/10/1992
Inventor: Dowden, et al.

Network and method for providing cross-media connections
Patent #: 5239577
Issued on: 08/24/1993
Inventor: Bates, et al.

Caller name and identification communication system with caller screening option
Patent #: 5511111
Issued on: 04/23/1996
Inventor: Serbetcioglu, et al.

Network directory methods and systems for a cellular radiotelephone Patent #: 5689547
Issued on: 11/18/1997
Inventor: Molne

Inventors

Assignee

Application

No. 070519 filed on 04/29/1998

US Classes:

379/309, Call distribution or queuing379/201.01SPECIAL SERVICES

Examiners

Primary: Hong, Harry S.
Assistant: Tiell, Benny Q.

Attorney, Agent or Firm

International Classes

H04M 003/00
H04M 003/42

Abstract

A mobile telephone, or personal communication services subscriber who wishes directory assistance services is connected in the conventional manner to an operator who identifies a destination telephone number desired by the subscriber. As known in the prior art, the operator then initiates a call connecting the subscriber to the destination telephone number. In a preferred embodiment, the operator locates a desired destination telephone number in a computer database, and can select automatic dialing of the located number. Further, rather than dropping all further involvement with the call, the preferred embodiment of the present invention continually monitors the connection thereby established for a predetermined DTMF signal issued by the customer, such as that obtained by pressing the "*" button. If such a signal is detected, the customer is transferred to a directory assistance operator, who can then provide whatever further assistance is needed (e.g., providing further directory assistance). If a busy signal or non-answering party is detected, a customer is given a plurality of options including leaving a recorded message or page, or a predetermined alphanumeric message or page for the called party. In this case, the system automatically tries, repeatedly, to deliver the recorded message or page and, optionally, confirms successful or failed message delivery to the calling party.

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