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Call distribution method in a mobile switching system

  • US 6,947,744 B2
  • Filed: 12/20/2000
  • Issued: 09/20/2005
  • Est. Priority Date: 12/22/1999
  • Status: Expired due to Fees
First Claim
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1. A method for distributing a call in a mobile switching network, comprising the steps of:

  • transmitting a location registration request message from a mobile switching center to a corresponding at least one of a plurality of managed intelligence nodes in accordance with a predefined distribution rule upon receipt of a location registration request from a subscriber, the mobile switching center performing a signaling interfacing and switching function, the plurality of managed intelligence nodes including a visitor location register as a call server for performing a unified call control function;

    reading in the corresponding managed intelligence node a mobile identification of the subscriber making a call and searching the mobile identification for a target managed intelligence node address upon receipt of the location registration request message, the target managed intelligence node corresponding to a target subscriber being called by the subscriber; and

    determining whether a target prefix is a converted prefix having a prefix head digit of the target managed intelligence node when the target managed intelligence node address is searched, and immediately performing a location registration process when the target prefix is the converted prefix.

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