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Method and apparatus for increasing the answering probability of calls to mobile radio terminals

  • US 5,950,128 A
  • Filed: 09/04/1996
  • Issued: 09/07/1999
  • Est. Priority Date: 04/17/1991
  • Status: Expired due to Term
First Claim
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1. A radio communication system, comprising:

  • a public land mobile network where mobile radio terminals communicate with at least one mobile services switching center via corresponding base stations and where a home location register is connected to said at least one mobile services switching center;

    a wide area paging system for sending out paging signals wherein said paging system is accessible by said at least one mobile services switching center;

    a plurality of mobile radio terminals which register their whereabouts in the home location register when they are switched on;

    a plurality of pagers each associated with but separate from a particular one of said plurality of mobile radio terminals;

    whereby said paging system performs a page to a called subscriber when the called subscriber cannot be reached via said public land mobile network and whereby an incoming call to said one of said plurality of mobile radio terminals is parked until the mobile radio terminal is manually switched on and registers with the home location register and the mobile services switching center parking the incoming call is informed of the activation of the mobile radio terminal and is provided with a roaming number; and

    whereby said mobile services switching center then calls the activated mobile radio terminal using a page over said public land mobile network and the mobile radio terminal answers the incoming call.

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