Method for controlling charging of packet data service

  • US 8,531,971 B2
  • Filed: 10/20/2011
  • Issued: 09/10/2013
  • Est. Priority Date: 04/01/2004
  • Status: Active Grant
First Claim
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1. A method for controlling charging of packet data service, comprising:

  • receiving, by a Traffic Plane Function (TPF), event triggers to control the TPF from a Charging Rule Function (CRF), wherein the event triggers are determined by the CRF;

    determining, by the TPF, whether a request for charging rule is required to be sent to the CRF according to the event triggers; and

    sending, by the TPF, the request for charging rule to the CRF, if one or more of the event triggers received from the CRF is met,wherein the event triggers comprise at least one of a change of a Serving GPRS Support Node (SGSN), a change of a Public Land Mobile Network (PLMN), a change of a Radio Access Technology (RAT) type, a change of a Traffic Flow Template (TFT), or a change of Quality of Service (QoS).

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