Method of extracting a call set-up failure probability and a pre

Details Method of extracting a call set-up failure probability and a pre Method of extracting a call set-up failure probability and a pre

1997-12-16

1999-08-17

Loomis, Paul

Telephonic communications

With usage measurement

Call charge metering or monitoring

379133, 370252, 39520057, H04M 1500, H04J 116, G06F 1516

Patent

active

059404809

ABSTRACT:
The present invention relates to a method of extracting a call set-up failure probability and a premature disconnect probability, which are factors for accessing the quality control of a data network. In accordance with the present invention the method comprises the steps of configuring a database for causes of premature disconnect and a configuration database which stores quality values which includes originating and destination numbers. Reading the corresponding billing record and verifying whether the record is normal, and if so, determining whether the origination/destination number of the billing record is the same as that stored in the configuration database. Updating a statistics database for each configuration database, each origination/destination call, each time and date when the numbers match, and then calculating the call set-up failure probability and premature disconnect probability for each configuration database, call and each time and date of the statistics database.

REFERENCES:
patent: 5189667 (1993-02-01), Esaki et al.
patent: 5434848 (1995-07-01), Chimento, Jr. et al.
patent: 5509055 (1996-04-01), Ehrlich et al.
patent: 5805681 (1998-09-01), Srikant et al.
patent: 5862204 (1999-01-01), Kim et al.

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