×

Data base communication call processing method

  • US 4,191,860 A
  • Filed: 07/13/1978
  • Issued: 03/04/1980
  • Est. Priority Date: 07/13/1978
  • Status: Expired due to Term
First Claim
Patent Images

1. A method of deriving call routing information from a data base system for a special service call processed by a communication switching systemcharacterized byreceiving at said data base system from said switching system a special service call message including a code dialed by a caller and augmented by a code identifying the originating area of said call,translating said message into a call routing message at said data base system, andtransmitting said routing message from said data base system to said switching system.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×