Communications apparatus and method

  • US 6,201,967 B1
  • Filed: 09/09/1997
  • Issued: 03/13/2001
  • Est. Priority Date: 09/09/1996
  • Status: Expired due to Term
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First Claim
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1. A method of operating a user terminal to provide location updates while the user terminal is registered with a communications network providing a communications service, the user terminal being operable to register data concerning its location in a remote management store, the method including:

  • monitoring signals received in a given channel transmitted from the communications network in relation to predetermined criteria, timing the duration of periods when the monitored signals do not meet the criteria, and when said monitored signals again meet said criteria and if said timed duration exceeds a predetermined duration, transmitting a location update signal from the user terminal to update the location of the user terminal registered in the management store.

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