Table of Contents

Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions, symbols and abbreviations
  3.1 Definitions
  3.2 Symbols
  3.3 Abbreviations
4 Signalling system principles and coding
  4.1 General characteristics
  4.2 Signal frequencies and codes
History

Abstract

Establishes the requirements for all applications intending to use DTMF signalling.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	ATA C