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Cordless telephone system and its independent base station and mobile station

  • US 6,078,822 A
  • Filed: 06/18/1998
  • Issued: 06/20/2000
  • Est. Priority Date: 06/19/1997
  • Status: Expired due to Fees
First Claim
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1. A cordless telephone system comprising:

  • an independent base station connected to a fixed network;

    a mobile station connected to said independent base station and either to a mobile communication network or said fixed network; and

    a public base station in which an original communication service control of a mobile communication is executed, wherein when said mobile station is conducting a first telephone call through said independent base station, said public base station transmits a call signal to said mobile station, said independent base station receives said call signal instead of said mobile station and transmits to said mobile station a call waiting notification signal which represents reception of said call signal, said mobile station receives said call waiting notification signal from said independent base station, temporarily puts the first call on hold, executes an incoming processing between said mobile station and said public base station and returns to said first telephone call in response to an action from said user, said mobile station conducts a second telephone call through said public base station while either disconnecting or holding said first telephone call through said independent base station, when said second telephone call through said public base station is terminated, if said first telephone call through said independent base station is held, enabling first telephone call to continue while removing said hold.

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