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Assignment and handover in a radio communication network

  • US 9,439,109 B2
  • Filed: 12/19/2008
  • Issued: 09/06/2016
  • Est. Priority Date: 12/20/2007
  • Status: Active Grant
First Claim
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1. A method of operating a Mobile Switching Center (MSC) of a radio communication network, comprising:

  • seizing resources for a Time Division Multiplexed (TDM) bearer and an Internet Protocol (IP) bearer for use on a terrestrial A-interface of the radio communication network;

    sending a handover request message identifying the TDM bearer and the IP bearer for use on the terrestrial A-interface, wherein the handover request message includes a circuit identifier code (CIC) of a selected TDM circuit with respect to the TDM bearer and a transport address of a media gateway (MGw) that will terminate an IP connection with respect to the IP bearer;

    receiving an acknowledgment of the handover;

    detecting that one of the TDM bearer and the IP bearer is selected; and

    releasing an unselected one of the TDM bearer and the IP bearer for use on the terrestrial A-interface.

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