1     Scope 
 2     Normative References 
        2.1     Open Systems Interconnection 
        2.2     Message Handling Systems 
        2.3     Directory Systems 
 3     Definitions 
 4     Abbreviations 
 5     Conventions 
        5.1     Terms 
        5.2     Abstract Syntax Definitions 
 6     Overview of the MHS Access Protocols 
        6.1     MHS Access Protocol Model
        6.2     Services Provided by the MTS Access Protocol
        6.3     Services Provided by the MS Access Protocol
        6.4     Use of Underlying Services 
                  6.4.1     Use of ROSE Services     
                  6.4.2     Use of RTSE Services 
                  6.4.3     Use of ACSE Services 
                  6.4.4     Use of the Presentation-service 
 7     MTS Access Protocol Abstract Syntax Definition 
 8     MS Access Protocol Abstract Syntax Definition 
 9     Mapping onto Used Services 
        9.1     Application-contexts omitting RTSE 
                  9.1.1     Mapping onto ACSE 
                  9.1.2     Mapping onto ROSE 
        9.2     Application-contexts including RTSE 
                  9.2.1     Mapping onto RT-OPEN and RT-CLOSE 
                  9.2.2     Mapping onto ROSE 
        9.3     MS Access Application-context Negotiation 
                  9.3.1     Application Context Name 
                  9.3.2     User Information 
                  9.3.3     Presentation Context Definition List
10     Conformance 
       10.1     Statement Requirements 
       10.2     Static Requirements 
       10.3     Dynamic Requirements 
11     Overview of the MTS Transfer Protocol
       11.1     Model 
       11.2     Services Provided by the MTS Transfer Protocol
       11.3     Use of Underlying Services 
                  11.3.1     Use of the RTSE Services 
                  11.3.2    Use of the ACSE Services 
                  11.3.3     Use of the Presentation-service 
       11.4     Establishing and Releasing Associations 
12     MTS Transfer Protocol Abstract Syntax Definition 
13     Mapping onto Used Services 
       13.1     Mapping onto RTSE normal mode 
                  13.1.1     Mapping onto RT-OPEN and RT-CLOSE 
                  13.1.2     Mapping onto RT-TRANSFER  
                  13.1.3     Managing the Turn 
                  13.1.4     Use of the RT-P-ABORT Service 
                  13.1.5     Use of the RT-U-ABORT Service 
       13.2     Mapping onto RTSE X.410-1984 mode 
                  13.2.1     Mapping onto RT-OPEN and RT-CLOSE 
                  13.2.2     Mapping onto RT-TRANSFER  
                  13.2.3     Managing the Turn 
                  13.2.4     Use of the RT-P-ABORT Service 
                  13.2.5     Use of the RT-U-ABORT Service 
14     Conformance 
       14.1     Statement Requirements 
       14.2     Static Requirements 
       14.3     Dynamic Requirements 
Annex A – Reference Definition of MHS Protocol Object Identifiers    
Annex B – Interworking with 1984 Systems    
        B.1     Association Establishment
                  B.1.1     Initiator-credentials/Responder-credentials 
                  B.1.2     Security-context
                  B.1.3     Bind-error
        B.2     Rules for Transferring to 1984 systems 
                  B.2.1     Extensions 
                  B.2.2     Per-domain-bilateral-information 
                  B.2.3     Trace-information/Subject-intermediate-trace-information 
                  B.2.4     Originator-name/Report-destination-name 
                  B.2.5     Per-recipient-fields of Message- or Probe-Transfer
                  B.2.6     Per-recipient-fields of Report-transfer
                  B.2.7     OR-name 
                  B.2.8     OR-address 
                  B.2.9     Encoded-information-types 
                  B.2.10     Content-type and Content
        B.3     Rules for Receiving from 1984 systems 
                  B.3.1     Message originating from 1984 systems 
                  B.3.2     Messages that have previously been downgraded 
                  B.3.3     Messages containing Domain-defined-attribute of type "common"
        B.4     Service Irregularities 
Annex C – Summary of Changes to Previous Editions    
        C.1     Differences between 1984 and 1988 CCITT MHS protocols 
                  C.1.1     MTS Access Protocol (P3) Differences 
                  C.1.2    MTS Transfer Protocol (P1) Differences 
        C.2     Changes introduced in the 1994 MHS protocols 
                  C.2.1     MTS Access Protocol (P3) differences 
                  C.2.2     MS Access Protocol (P7) differences 
        C.3     Changes introduced in the 1998/9 edition 
                  C.3.1     OR-name 
                  C.3.2     Report-delivery 
Annex D – Differences between ISO/IEC 10021‑6 and ITU‑T Recommendation X.419    
Annex E – Use of Lower Layer Services    
        E.1     Use of Lower Layer Services by MHS Access Protocols 
        E.2     Use of Lower Layer Services by the MTS Transfer Protocol
Annex F – Index