Foreword
1 Scope
2 Normative references
3 Definitions and abbreviations
  3.1 Definitions
  3.2 Abbreviations
4 Interpretation of the measurement results
5 General test requirements
  5.1 Test philosophy
  5.2 Low noise room
  5.3 Lower Tester (LT)
6 General testing conditions
  6.1 Environment for tests
  6.2 Power supply limitations
  6.3 Power source
7 Speech and telephony tests
  7.1 Test configurations
  7.2 Digital signal level
  7.3 General conditions of test
  7.4 Ideal codec
  7.5 Electro-acoustical equipment
  7.6 Speech coding scheme
  7.7 PP sending frequency response
  7.8 PP receiving frequency response
  7.9 PP loudness rating
  7.10 User controlled volume control in the PP
  7.11 PP talker sidetone masking rating
  7.12 Listener SideTone (LST)
  7.13 Terminal Coupling Loss (TCLw) of a PP
  7.14 FP echo control functions with a 4-wire interface
  7.15 Stability loss - fixed geometry
  7.16 Stability loss variable geometry
  7.17 Sending distortion
  7.18 Receiving distortion
  7.19 Side tone distortion
  7.20 Out of band (sending)
  7.21 Out of band (receiving)
  7.22 Sending noise
  7.23 Sending noise (narrow band)
  7.24 Receiving noise
  7.25 Sampling frequency level (receiving)
  7.26 Acoustic shock
  7.27 DECT network delay
  7.28 PP delay
  7.29 FP delay
  7.30 Echo control at the network side
  7.31 Variation of gain with input level-sending
  7.32 Variation of gain with input level- receiving
  7.33 Additional requirements for DECT systems provided
       with a 2-wire PSTN interface
8 Loudspeaking and handsfree telephony
Annex A (normative): TBR Requirements Table (TBR-RT)
Annex B (informative): Description of the CSS
      B.1 General
      B.2 Test signal
      B.3 Measurement
      B.4 Calculation
Annex C (normative): Description of the cross-correlation
        method
      C.1 Test signal
      C.2 Calculation
Annex D (informative): Acoustic shock requirements
      D.1 Continuous signal
      D.2 Peak signal
Annex E (informative): Bibliography
History