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System and method for call transferring in a communication system

  • US 6,816,583 B2
  • Filed: 02/12/2001
  • Issued: 11/09/2004
  • Est. Priority Date: 02/12/2001
  • Status: Expired due to Fees
First Claim
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1. A method for call transferring in a communication system, comprising:

  • establishing a first call connection between a mobile station and a first telephonic device, the mobile station operable to communicate with a first client in a packet-switched network, the first telephonic device operable to communicate with a second client in the packet-switched network, the first client operable to communicate with the second client;

    placing the first telephonic device on hold;

    establishing an alerting call connection between the mobile station and a second telephonic device, the second telephonic device operable to communicate with a third client in the packet-switched network, the third client operable to communicate with the first and second clients;

    instructing the first client to produce ring back tone for the mobile station; and

    transferring a call from the first telephonic device to the second telephonic device.

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