• CN 1,245,619 A
  • Filed: 12/08/1997
  • Published: 02/23/2000
  • Est. Priority Date: 12/09/1996
  • Status: Abandoned Application
First Claim
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1. travelling carriage that uses in supporting the digital cellular telecommunications system net of unstructured supplementary service data comprises:

  • (a) service apparatus is used for carrying out the benchmark service between travelling carriage (MS) and the digital cellular telecommunications system net;

    (b) interface arrangement, the human interface function who is used for carrying out travelling carriage (MS);

    (c) unstructured supplementary service data device is used for setting up an affairs channel that transmits unstructured supplementary service data to digital cellular telecommunications system net, interface;

    Described travelling carriage is characterised in that it also comprises;

    (d) positional information indicating device is used for the cell identifier of the sub-district that travelling carriage (MS) is being roamed in the discriminating digit cellular communications network, and by unstructured supplementary service data interface arrangement output cell identifier.

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