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System and method for providing voice communications for radio network

  • US 7,061,894 B2
  • Filed: 08/07/2001
  • Issued: 06/13/2006
  • Est. Priority Date: 08/07/2001
  • Status: Expired due to Fees
First Claim
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1. A registration method for providing voice communications between a wireless communication device and an end terminal in a packet data network, comprising:

  • performing a location update of the wireless communication device;

    authenticating the identity of the wireless communication device;

    performing a ciphering procedure for the wireless communication device;

    notifying a Voice-over-Internet-Protocol Mobile Switching Center (“

    VMSC”

    ) of the registration of the wireless communication device, the VMSC communicating with the wireless communication device through a circuit-switched network and communicating with the end terminal through a packet-switched network;

    activating a communication between the VMSC and the packet data network;

    performing a registration of the wireless communication device to the packet data network; and

    notifying the wireless communication device of the completion of location update,wherein an activation of the communication between the VMSC and the packet data network comprises;

    initiating a new Packet Data Protocol (“

    PDP”

    ) context by the VMSC;

    establishing a record for the wireless communication device by a Gateway General Packet Radio Service (“

    GPRS”

    ) Support Node (“

    GGSN”

    ), the GGSN communicating with the packet data network through a gatekeeper (“

    GK”

    ) and with the VMSC through a supporting Serving GPRS Support Node (“

    SGSN”

    ); and

    enabling an Internet-Protocol communication between the GK and the VMSC.

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