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Cellular docking station

  • US 6,480,714 B1
  • Filed: 07/30/1998
  • Issued: 11/12/2002
  • Est. Priority Date: 07/30/1997
  • Status: Expired due to Term
First Claim
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1. A communication system comprising:

  • a cellular mobile radiotelephone (CMR) system having a mobile switching center (MSC) and a plurality of cellular telephones; and

    a communications interface for allowing a conventional telephone handset to access the CMR system via a selected cellular telephone, wherein the communications interface comprises means for determining whether the selected cellular telephone is in communicative contact with the communications interface;

    means for transferring communication signals between the telephone handset and the selected cellular telephone, wherein means for transferring comprises a mobile terminal interface unit (MTIU) for delivering and receiving communication signals between the communications interface and the selected cellular telephone, a telephony support unit (TSU) for delivering and receiving communication signals between the communication interface and the telephone handset, and a controller connected to the MTIU and TSU for controlling the exchange of communication signals; and

    means for supplying an indication to the CMR system that the selected cellular telephone is operating through the communications interface, wherein communication signals initiated by the telephone handset are routed through the controller and the MTIU to the selected cellular telephone and, thereafter, transmitted as an outgoing communication, and whereby an incoming communication is received by the selected cellular telephone, routed through the communicatively connected MTIU and control unit to the TSU, at which point the incoming communications may be answered by the conventional telephone handset connected thereto.

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