TS 100 903 : 5.4.0

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

Describes the transmission planning aspects pertaining to the speech service in the GSM PLMN system.