CONTENTS

 1     Introduction
 2     Scope
 3     Related Recommendations
 4     Category 1 applications
        4.1     Voice
        4.2     Non-voice
        4.3     Mixed
 5     Signalling and transmission considerations for Category 1 applications
        5.1     Signal interference
        5.2     Transmission
        5.3     Potential solutions
 6     DCME for Category 1 applications
        6.1     Speech quality considerations
        6.2     Impact of DLC on blocking performance
        6.3     Other considerations
        6.4     Tandem DCME connections
 7     Category 2 applications
 8     Signalling, dialling and routing considerations for Category 2 applications
        8.1     Signalling considerations
        8.2     Dialling and numbering considerations
        8.3     Routing considerations
 9     Network architecture considerations
        9.1     Overlay networks
        9.2     Integrated networks
10     Recommendation history
Annex A  –  Teletraffic characteristics of non-voice traffic
        A.1     Mean call duration
        A.2     24-hour traffic profile
Annex B
Annex C
Annex D
Annex E