Dual mode subscriber Terminal and a handover procedure of the dual mode subscriber terminal in a mobile telecommunications network

Dual mode subscriber Terminal and a handover procedure of the dual mode subscriber terminal in a mobile telecommunications network

  • CN 1,095,305 C
  • Filed: 10/06/1994
  • Issued: 11/27/2002
  • Est. Priority Date: 10/08/1993
  • Status: Active Grant
First Claim
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1. in comprising the mobile communication system of fixed network, fixed network includes mobile switch, first base station that links to each other with described mobile switch, second base station with radio telephone system, described second base station is connected with described mobile switch and controlled by it, both sides'"'"' formula user terminal has a mobile radio station part, is used for carrying out radio communication with described first base station;

  • Also have a cordless telephone part, be used for carrying out radio communication with described second base station;

    Be used for carrying out from one of them described first base station to the method for the transfer of one of them described second base station, may further comprise the steps;

    During the ongoing calling of the described mobile radio station part by described dual mode terminal and one of them described first base station, partly start the call re-establishment process from the described cordless telephone of described dual mode terminal;

    Partly launch call setup message to one of them described second base station with suitable field intensity from the described cordless telephone of described dual mode terminal, described message comprises terminal iidentification and the indication of call re-establishment message;

    Reception according to described call setup message with described call re-establishment indication is transmitted into one of them described mobile switch from described one of them described base station with call re-establishment message, and described call re-establishment message comprises terminal iidentification;

    By described one of them described second base station, be reconstructed into the described ongoing calling of the described cordless telephone part of described dual mode terminal.

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