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���� Symbols to aid identification of telephone subscriber services and telecommunication functions����
11���� Pictograms to aid identification of videotelephony functions����������
12���� Guidelines for testing�������
BIBLIOGRAPHY����