CONTENTS

 1     Scope
 2     Normative references
 3     Definitions
 4     Abbreviations
 5     General description
 6     Functions of the convergence function
 7     Specification of the convergence function
        7.1     The CPCS service of the AAL type 5
        7.2     The core service of the frame mode bearer service
        7.3     PDU format
        7.4     Mapping the AAL type 5 CPCS signal into the frame relay core service primitives (transmitter)
        7.5     Mapping the frame relay core service primitives into the AAL type 5 CPCS signal (receiver)
        7.6     Layer management
Annex A – Use of the frame relay core service for SS No. 7 signalling links at the NNI
Appendix I – Impact of 32-bit alignment in SSCOP on the DL‑CORE‑DATA‑PDU format