Intellectual Property Rights
Foreword
1 Scope
1.1 References
1.2 Abbreviations
1.3 Introduction
2 Network configurations
2.1 General
2.2 Model of the PLMN
2.3 Interfaces
2.4 Configurations of connections
2.5 4-wire circuits in the PLMN
3 Transmission
3.1 Overall Loss/Loudness ratings
3.2 Stability Loss
3.3 Delay
3.4 Echo
3.5 Clipping
3.6 Idle channel noise (handset and headset MS)
3.7 Noise contrast
3.8 Sensitivity/frequency characteristics
3.9 Distortion (handset and headset MS)
3.10 Sidetone (handset and headset MS)
3.11 Out-of-band signals
3.12 Requirements for information tones
3.13 Crosstalk
3.14 MS Ambient Noise Rejection
Annex A (informative): Considerations on the
Acoustic Interface of the Mobile Station
A.1 Handsfree MS
A.2 Handset MS
A.3 Headset MS
A.4 Inter-reaction with DTX
Annex B (normative): Test considerations
B.1 Test signals
B.2 Test signal levels
B.3 Test rooms
B.4 Test arrangement
Annex C (normative): Transmission requirements
testing
C.1 Loudness ratings
C.2 Idle Channel Noise
C.3 Sensitivity/frequency characteristics
C.4 Distortion
C.5 Variation of gain with input level
C.6 Sidetone
C.7 Sidetone distortion
C.8 Out-of-band signals
C.9 Acoustic echo loss
C.10 Delay for handsfree MS
C.11 Ambient noise rejection
Annex D (normative): MS delay requirement
definition
D.1 Full rate MS delay requirement definition
D.2 Half rate MS delay requirement definition
Annex E (informative): Adaptive gain control
Annex F (informative): Change Request History
History