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TechSpec
  • Foreword
  • 1 Scope
  • 2 References
  • 3 Definitions and abbreviations
  • 4 Description
  • 5 Interaction with supplementary services
  • 6 Interaction with Alternate and Followed by services
  • 7 Interaction with other speech services
  • 8 Interaction with DTMF
  • 9 Interaction with Lawful Intercept

8 Interaction with DTMF

22.0533GPPRelease 17Service descriptionStage 1Tandem Free Operation (TFO)TS

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

DTMF transmission performance during TFO shall be no worse than during normal operation.