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Apparatus for and method of verifying service user's information

  • US 5,517,559 A
  • Filed: 09/22/1993
  • Issued: 05/14/1996
  • Est. Priority Date: 09/22/1992
  • Status: Expired due to Fees
First Claim
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1. An apparatus for verifying the information of a service user to be charged in a switching network having a switch system for setting a call requested by one terminal between other terminal and said one terminal and a data memory for retaining service user'"'"'s information previously designated by a subscriber and information on a validity of said service user'"'"'s information,wherein said data memory includes a collating means for collating the validity of said service user'"'"'s information, said switch system includes a checking means for checking whether or not a service user'"'"'s information transmitted via said one terminal satisfies a predetermined formal condition and requesting, if said condition is satisfied, said data memory for the collation of the validity of said service user'"'"'s information, and said switch system sets, when said collating means recognizes the validity of said service user'"'"'s information, a call to be charged based on said information between said one terminal and said other terminal, andwherein said checking means permits setting of a call to be charged based on said information in response to a request for setting said call produced within a predetermined time after said collating means has stopped collating of the validity of said user'"'"'s information, under condition that said information meets said predetermined formal condition.

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