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Send-all-calls feature for a wireless handset

  • US 5,533,096 A
  • Filed: 01/11/1995
  • Issued: 07/02/1996
  • Est. Priority Date: 06/14/1993
  • Status: Expired due to Term
First Claim
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1. A called telephone terminal for providing a send-all-call operation and the called telephone terminal for connection to a telecommunication switching system, the called telephone terminal comprising:

  • means for receiving a call setup message from the telecommunication switching system indicating that a call is being established from a calling telecommunication terminal and the call setup message having caller identification information identifying the calling telecommunication terminal;

    means for establishing a call connection between the calling telecommunication set and a call coverage terminal through the telecommunication switching system with the call connection being controlled by the called telephone terminal which is a hand-held wireless mobile telephone unit if the caller identification information is found in a table defining selected individuals;

    means for transferring the call to the call coverage terminal via the telecommunication switching system if the caller identification information is not found in the table defining selected individuals; and

    the establishing means comprises means for receiving call control messages from the calling telephone terminal and relaying the call control message from the calling telephone terminal to the call coverage terminal via the telecommunication switching system and receiving call control messages from the call coverage terminal and relaying the call control messages from the call coverage terminal to the calling telephone terminal via the telecommunication switching system for the duration of the call.

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