Position switching method and apparatus

Position switching method and apparatus

  • CN 1,849,004 A
  • Filed: 08/19/2005
  • Published: 10/18/2006
  • Est. Priority Date: 08/19/2005
  • Status: Active Grant
First Claim
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1. , a kind of method of position switching is applied to packet data protocol (PDP) context and switches between service universal grouping wireless business supporting node (SGSN), it is characterized in that, comprises the following steps:

  • Former side SGSN receive upgrade that side SGSN sends obtain the request of PDP Context the time, if former side SGSN does not set up GPRS tunnel (GTP) for described PDP Context and ggsn (GGSN), then in the message of upgrading side SGSN answer, do not carrying this PDP Context;

    After renewal side SGSN receives described answer message, be not that this PDP Context initiates to upgrade the PDP request to GGSN, so far flow process finishes.

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