Table of Contents

Foreword
1 Scope
2 References
3 The usability component model
4 Usability checklist framework
  4.1 Context of use
  4.2 Intended usage
  4.3 Intended users
  4.4 Environmental requirements for use.
5 Identification of usability components
6 The usability checklist
  6.1 Statement 1: Size and shape of the handset
  6.2 Statement 2: Weight and balance of the handset
  6.3 Statement 3: Physical dimensions of dial/key pad
  6.4 Statement 4: Acoustic level of signalling tones
  6.5 Statement 5: Electro-acoustic sensitivity for sending
       and receiving
  6.6 Statement 6: Sidetone attenuation
  6.7 Statement 7: Size of numbers and letters on dial/push
       buttons
  6.8 Statement 8: Key pad lay-out
  6.9 Statement 9: Push button operation feed-back
  6.10 Statement 10: Incoming call indication
  6.11 Statement 11: Answering and terminating a call
Annex A (informative): Usability checklist for telephones - list
        of additional information
History

Abstract

Provides a checklist for the usability evaluation of simple handset telephones, as well as a guide for design and development.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	HF 3