CONTENTS

�1���� Scope
�2���� Normative References
�3���� Abbreviations and Definitions
�4���� Reference Configuration
�5���� Overall PSTN Quality Perspective
������� 5.1���� PSTN Quality of Service Perspective
������� 5.2���� PSTN Transmission Performance Perspective
�6���� Transmission Effects of the Digital Radio Channel
�7���� Speech Transmission Performance Objectives
������� 7.1���� General
������� 7.2���� Speech Coder Performance
������� 7.3���� Loudness Ratings
������� 7.4���� Weighted Terminal Coupling Loss
������� 7.5���� Delay
������� 7.6���� Delay and Echo Response Variations
������� 7.7���� Control of Echo from Outside the Wireless System
������� 7.8���� Clipping (temporal)
������� 7.9���� Idle Channel Noise
������ 7.10���� Noise Contrast and Comfort Noise
������ 7.11���� Random Bit Errors and Bursts of� Errors
������ 7.12���� Bandwidth
������ 7.13���� Stability Loss (Minimum Echo Path Loss)
������ 7.14���� Quantization� Distortion
�8���� Voiceband Data and Other Non-Speech Transmission
������� 8.1���� General
������� 8.2���� Application Requirements
������� 8.3���� Performance Suitability
������� 8.4���� Interworking
������� 8.5���� DTMF
������� 8.6���� Call Progress Signals