| | Personal communications service using wireline/wireless integration - Patent 5353331 |
 | | In a communication network, as in claim 34, wherein at least one of the service switching means comprises a telephone central office switching system connected to a plurality of telephone lines, and the registering step is performed by transmission of registration data over one of said telephone lines. |
 | | In a communication network, as in claim 37, wherein at least one of the service switching means comprises a telephone central office switching system connected to a plurality of telephone lines, and the registering step is performed by transmission of registration data over one of said telephone lines. |
 | | The mobile communication unit, particularly when in the form of a handset, is configured in manner similar to the cordless handsets found in the prior art, except that the PCS units include a radio transceivers operating at cellular frequencies and capable of meeting cellular signalling protocols. |
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