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