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Initiation of packet-based services in a public mobile communication system

  • US 7,821,978 B2
  • Filed: 03/15/2004
  • Issued: 10/26/2010
  • Est. Priority Date: 12/22/2003
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • receiving, in a mobile terminal belonging to a communication group in a mobile communication system, a triggering message indicating the communication group and informing the mobile terminal of a packet-based service session of the communication group to be initiated; and

    in response to the receiving, bringing the mobile terminal to a state allowing reception of packets from a packet data network belonging to the mobile communication system, to enable participation in the packet-based service session of the communication group, whereinthe receiving comprises receiving the triggering message so that the triggering message is receivable from the mobile communication system when the mobile terminal is in an idle state and regardless of whether the mobile terminal is ready to participate in the packet-based service session, andthe triggering message indicates a starting time for the packet-based service session and the mobile terminal is brought to said state substantially at said starting time.

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