Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 18, 2008
Patent Application Number
10533247
Date Filed
October 31, 2003
Patent Primary Examiner
Patent abstract
Provided is a billing method for telecommunication service based on fixed fee according to user's usage time. The method includes the steps of: estimating reference time according to user's usage time of the previous term; estimating guarantee time; reading user's usage time of this term; and billing telecommunication service fare according to the reference time and the guarantee time.
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