�1���� Scope����������
�2���� References
�3���� Definitions
������� 3.1���� Terms defined elsewhere�������
������� 3.2���� Terms defined in this Recommendation�����������
�4���� Abbreviations and acronyms�������������
�5���� General description��������������
�6���� Physical characteristics��������
������� 6.1���� General rules
������� 6.2���� Pin assignments����������
�7���� Terminal electrical interface specification����
������� 7.1���� Communication mode (terminal)���������
������� 7.2���� Multimedia playback (terminal)�����������
������� 7.3���� Multimedia record (terminal)
�8���� Headset specification�����������
������� 8.1���� Communication mode (headset)���������
������� 8.2���� Multimedia playback mode (headset)
������� 8.3���� Multimedia record mode (headset)���
�9���� Function requirements for terminals with the universal headset interface����
Annex A � Interpolation method for diffuse-field correction����
Appendix I � Audio connectivity for sockets with five contact points����
������� I.1���� Plug connector of diameter 2.5 mm with five poles������
������� I.2���� Socket connector of diameter 2.5 mm with five contact points
������� I.3���� Plug connector of diameter 3.5 mm with five poles������
������� I.4���� Socket connector of diameter 3.5 mm with five contact points
Appendix II � Audio connectivity for sockets with six contact points����
Appendix III � Audio connectivity for sockets with fewer than five contact
points����
Appendix IV � Other considerations����
Bibliography����