CONTENTS

 1     General
        1.1     Introduction
        1.2     Reference model
        1.3     Measurement
        1.4     Network conditions
        1.5     User delay
        1.6     Allocation
        1.7     Basic connection
        1.8     Phases
 2     Purpose
 3     Connection processing delays in ISDN circuit-switched connections
        3.1     Connect phase parameters
        3.2     Disconnect phase parameters
Annex A – Worst case reference connections for circuit switched connection types
        A.1     General
        A.2     Worst case reference connections
Annex B – Calculation of values of connection processing performance parameters
        B.1     Methodology
        B.2     Example