Table of Contents

Foreword
Introduction
1 Scope
2 References
3 Definitions, symbols and abbreviations
  3.1 Definitions
  3.2 Symbols
  3.3 Abbreviations
4 Recommendations for the characteristics of telephone keypads
  and keyboards
  4.1 Keypad layout
  4.2 Size of keys
  4.3 The space between each key
  4.4 Separation of key groups
  4.5 Shape of keys
  4.6 Key tops
  4.7 Height of characters on the keys
  4.8 Contrast between characters and keys
  4.9 Contrast between keys and telephone set
  4.10 Key material
  4.11 Tactile feedback and ease of keying
  4.12 Angle of keypad
  4.13 Labelling of function keys
  4.14 Activation of functions
  4.15 Labelling of memory keys
Annex A: Bibliography
History

Abstract

Provides recommendations about the physical characteristics of telephone keypads and keyboards, which correspond to the requirements of elderly and disabled people.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	14