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ARCHITECTURE AND IMPLEMENTATION OF CLOSED USER GROUPS AND LIMITING MOBILITY IN WIRELESS NETWORKS

  • US 20070037597A1
  • Filed: 08/03/2006
  • Published: 02/15/2007
  • Est. Priority Date: 08/03/2005
  • Status: Active Grant
First Claim
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1. An apparatus for providing advanced voice services in a wireless network, comprising:

  • a wireless communications network for making calls to and from mobile units, wherein the calls are initiated by call setup and in-band signaling within the wireless communications network and voice frames for the calls are switched between the mobile units across bearer paths in the wireless communications network; and

    a real-time exchange that interfaces to the wireless communications network to provide the advanced voice services therein, wherein the advanced voice services comprise Closed User Groups (CUGs) that allow a group of users to make and receive calls only to other members of a group, and calls outside of the group are disallowed;

    wherein both the real-time exchange and the mobile units that use the advanced voice services communicate with each other to provide the advanced voice services for the mobile units.

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