7.7 Acoustic echo control

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

7.5 Sidetone characteristics

7.2 Overall loss/loudness ratings

7.4 Sensitivity/frequency characteristics

7.1 Applicability

6 Test conditions

5.5 Void

5.2 Setup of the electrical interfaces of test equipment

5.3 Accuracy of test equipment