CONTENTS

Summary     iv
Introduction        v
 1     Scope
 2     Normative references
        2.1     Identical Recommendations | International Standards
        2.2     Paired Recommendations | International Standards equivalent in technical content
        2.3     Additional references
 3     Definitions
        3.1     Basic Reference Model definitions
        3.2     Service conventions definitions
        3.3     Naming and Addressing definitions
        3.4     Presentation‑service definitions
 4     Abbreviations
 5     Conventions
 6     Overview of the presentation service
        6.1     Purpose  
        6.2     Relationship to Application Layer
        6.3     Relationship to Session Layer
        6.4     Features of the Presentation Layer
        6.5     Negotiation of syntax
        6.6     Information transfer
        6.7     Presentation context definition
        6.8     Management of the DCS
 7     Facilities of the service
        7.1     The connection establishment facility
        7.2     The connection termination facility
        7.3     The context management facility
        7.4     The information transfer facility
        7.5     The dialogue control facility
        7.6     Connectionless Information transfer facility
 8     Functional units
 9     Quality of Service
10     Presentation service primitives
       10.1     User data parameters
       10.2     P‑CONNECT service
       10.3     P‑U‑ABORT service
       10.4     P‑P‑ABORT service
       10.5     P‑ALTER‑CONTEXT service
       10.6     P‑TYPED‑DATA service
       10.7     P‑DATA service
       10.8     P‑RESYNCHRONIZE service
       10.9     P‑ACTIVITY‑START service
      10.10            P‑ACTIVITY‑RESUME service
      10.11            P‑ACTIVITY‑INTERRUPT service
      10.12            P‑ACTIVITY‑DISCARD service
      10.13            P‑ACTIVITY‑END service
      10.14            P‑CAPABILITY‑DATA service
      10.15            P‑CONTROL‑GIVE service
      10.16            P‑TOKEN‑GIVE service
      10.17            P‑TOKEN‑PLEASE service
      10.18            P‑U‑EXCEPTION‑REPORT service
      10.19            P‑P‑EXCEPTION REPORT service
      10.20            P‑EXPEDITED‑DATA service
      10.21            P‑SYNC‑MINOR service
      10.22            P‑SYNC‑MAJOR service
      10.23            P‑RELEASE service
      10.24            P‑UNIT-DATA service
11     Sequences
       11.1     P‑CONNECT service
       11.2     P‑U‑ABORT service
       11.3     P‑P‑ABORT service
       11.4     P‑ALTER‑CONTEXT service
       11.5     P‑TYPED‑DATA and P‑DATA services
       11.6     P‑CAPABILITY‑DATA service
       11.7     P‑EXPEDITED‑DATA service
       11.8       P‑SYNC‑MINOR, P‑SYNC‑MAJOR, P‑RELEASE, P‑ACTIVITY‑START, P‑PLEASE‑TOKENS,    P‑GIVE‑TOKENS, P‑GIVE‑CONTROL, P‑ACTIVITY‑END and P‑ACTIVITY‑RESUME services     36
       11.9       P‑RESYNCHRONIZE, P‑U‑EXCEPTION‑REPORT, P‑P‑EXCEPTION‑REPORT,      P‑ACTIVITY‑INTERRUPT and P‑ACTIVITY‑DISCARD services
      11.10       P‑UNIT‑DATA service
Annex A – Restrictions on the Use of the Presentation‑service in X.410‑1984 Mode
        A.1     P‑CONNECT service
        A.2     P‑U‑ABORT service
        A.3     P‑TOKEN‑PLEASE service
        A.4     P‑DATA service
Annex B – Registration of Abstract Syntaxes
        B.1     Introduction
        B.2     Naming of Abstract Syntaxes
        B.3     Form of registration of an abstract syntax
Annex C – Corrections and enhancements incorporated in ITU-T Rec. X.216 | ISO/IEC 8822