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TechSpec
  • Foreword
  • 1 Scope
  • 2 References
  • 3 Abbreviations
  • 4 Interface specification for telecommunication services
  • 5 Common CAP Types
  • 6 Circuit Switched Call Control
  • 7 SMS Control
  • 8 GPRS Control
  • 9 Application Entity procedures
  • 10 Error procedures
  • 11 Detailed operation procedures for circuit switched call control
  • 12 Detailed operation procedures for SMS control
  • 13 Detailed operation procedures for GPRS control
  • 14 Services assumed from lower layers
  • A.1 InitialDP operation
  • A.2 ContinueWithArgument operation
  • A.3 Connect operation
  • A.4 AssistRequestInstructions operation
  • A.5 ConnectToResource operation
  • A.6 EstablishTemporaryConnection operation
  • A.7 ReleaseCall operation
  • A.8 InitiateCallAttempt operation
  • B.1 Mapping between CAP and MAP
  • B.2 Mapping between CAP and SM-CP

A.7 ReleaseCall operation

29.0783GPPCAMEL Application Part (CAP) specificationCustomised Applications for Mobile network Enhanced Logic (CAMEL) Phase XRelease 17TS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

Upon receipt of the ReleaseCall operation, the GMSC/gsmSSF (VMSC/gsmSSF) sends REL messages in both directions. The cause indicators parameter contains the releaseCallArg parameter of the ReleaseCall operation.