Skip to content
iTecTec
  • Tools
    • ARFCN-Frequency Converter
  • Contact Us
  • Intellectual Property Rights
  • Foreword
  • 1 Scope
  • 2 References
  • 3 Abbreviations
  • 4 Requirement
  • 5 Cause of DTMF generation
  • 6 Support of DTMF across the air interface
  • 7 Effect of Handover
  • History

1 Scope

03.143GPPSupport of Dual Tone Multi-Frequency Signalling (DTMF) via the GSM SystemTS

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

The present document describes how Dual Tone Multi Frequency (DTMF) signals are supported in the GSM system.