DP Criteria List - Detection Point Criteria List

The DP (Detection Point) criteria indicate conditions that must be met in order for the gsmSSF i.e. SSP (Service Switching Point) to request instructions from the gsmSCF i.e. SCP (Service Control Point). The relevant criteria for mobile terminated calls are typically checked through interaction with the HLR.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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