CONTENTS

 1     Scope
 2     References
 3     Definitions
 4     Abbreviations
 5     General considerations
        5.1     Call-level GOS
        5.2     Cell-level GOS
        5.3     Effect of CAC
 6     Reference architecture
 7     Reference connections for GOS parameters at the call and cell level
 8     GOS parameters at the call level
        8.1     Definition of grade of service parameters
                  8.1.1     Post-selection delay
                  8.1.2     Answer-signal delay
                  8.1.3     Connection-release delay
                  8.1.4     Probability of end-to-end blocking
 9     GOS parameters at the cell level
        9.1     Cell-based GOS parameters
        9.2     Frame-based GOS parameters
                  9.2.1     Frame transmission delay
                  9.2.2     Frame discard ratio
        9.3     Throughput GOS parameters
10     Target values for GOS parameters at the call level
       10.1     Considerations for target values
       10.2     Specification of target values
11     Target values for GOS parameters at the cell level
12     History
Annex A - Explanation of basis for target values for post-selection delay,  answer-signal delay, and connection-release delay