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Implementation of short messages sending to mobile networks with mobile number portability or incomplete numbering plans with autolearning

  • US 20030013464A1
  • Filed: 06/29/2001
  • Published: 01/16/2003
  • Est. Priority Date: 06/29/2001
  • Status: Active Grant
First Claim
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1. Method of sending short SMS messages to mobile networks having number portability within the same country, characterised in that a computer is used which has SS7 connections capable of interrogating all the HLRs of the country in which the number portability is operated, the computer having a cache memory for all the mobile subscribers of the country in which the portability is operated so that it will know which HLR to interrogate, without searching, once it has been found a first time.

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