5.6 Stability loss

5.4.3 Desktop hands-free UE sending

5.4.2 Handset and headset UE receiving

5.4.4 Desktop hands-free UE receiving

5.4.1 Handset and headset UE sending

5.2 Overall loss/loudness ratings

5.3 Idle channel noise (handset, headset UE, , and electrical interface UE)

3 Definitions, symbols and abbreviations

5.1 Applicability

4 Interface definition