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Cordless key telephone system with multiple tenant facility

  • US 5,365,572 A
  • Filed: 09/21/1992
  • Issued: 11/15/1994
  • Est. Priority Date: 09/20/1991
  • Status: Expired due to Fees
First Claim
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1. A cordless key telephone system comprising:

  • connection setup means for establishing radio-frequency connections between each of a plurality of exchange lines and a plurality of cordless stations in response to an incoming call terminating at one of said exchange lines and in response to an originating call from one of said cordless stations and transmitting a ringing signal containing line identification of the line at which said incoming call is terminated,each of said cordless stations comprising;

    a plurality of line keys associated respectively with said exchange lines and a plurality of line indicators associated respectively with said line keys;

    a memory for storing tenant data indicating ones of said exchange lines to which the cordless station is authorized to access; and

    control means for examining said tenant data in response to receipt of the ringing signal through a said connection, and activating one of said line indicators when the exchange line indicated by the line identification contained in the ringing signal is found in the tenant data, and examining said tenant data in response to an outgoing call originated by the cordless station operating one of said line keys, and allowing said connection setup means to establish a said connection to one of said exchange lines when the exchange line associated with the operated line key is found in the tenant data.

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