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Registration and connection in a communication network

  • US 5,680,440 A
  • Filed: 06/07/1995
  • Issued: 10/21/1997
  • Est. Priority Date: 08/18/1992
  • Status: Expired due to Fees
First Claim
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1. A communication network comprising:

  • first, second and third mobile radio systems serving respective first, second and third areas, each of the first, second and third mobile radio systems including a mobile radio services switching center;

    a land-based public switched telephone network, connected to each of the first, second and third mobile radio services switching centers, for performing teletraffic services with the first, second and third areas; and

    first, second and third telecommunication node means in respective correspondence with the first, second and third mobile radio systems and connected to the public switched telephone network, each one of the first, second and third telecommunication node means being directly accessible to a caller by means of the public switched telephone network without requiring a connection through any of the first, second and third mobile radio systems, and each one of the telecommunication node means comprising;

    first means for storing called subscriber home system functional information pertaining to a called subscriber having a home system that is the corresponding one of the first, second and third mobile radio systems;

    second means for storing called subscriber addressing information for routing a call to a visiting system into which the called subscriber has roamed;

    communication means for communicating with the called subscriber in order to receive the called subscriber addressing information; and

    switch means, responsive to said one of the first, second and third telecommunication node means being accessed by the caller, for establishing a connection between the caller and the called subscriber, wherein;

    the switch means includes means for communicating the called subscriber addressing information with another of the telecommunication node means; and

    the established connection bypasses the called subscriber'"'"'s home system and includes a connection between at least one of the first, second and third telecommunication node means and the called subscriber.

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