CONTENTS

�1���� Scope
�2���� References
�3���� Definitions
�4���� Abbreviations
�5���� Elements of symbols and pictograms
������� 5.1���� Use of elements
������� 5.2���� Guidelines for design
�6���� Graphical representation of tones
������� 6.1���� Temporal structure
������� 6.2���� Pitch variation in a tone
������� 6.3���� Tone quality
������� 6.4���� Loudness variation in the tone
�7���� Pictograms to aid location of service
������� 7.1���� Symbol for telephone
������� 7.2���� Symbol for information
������� 7.3���� Symbol for facsimile
������� 7.4���� Symbol of access for the physically handicapped
������� 7.5���� Symbol for special facilities for the hard of hearing
������� 7.6���� Symbol for special facilities for the deaf
�8���� Pictograms to aid identification of information
�9���� Pictograms to aid in the use of a public service
10���� Pictogram to aid identification of telephone subscriber services and telephone functions
11���� Pictograms to aid identification of videotelephony functions
12�� ��Guidelines for testing
References