Part 1: AMHS Basics
- Embedding in the ATN, scope of specifications
- MHS/AMHS architecture, services, protocols
- AMHS addressing and global ICAO registration procedures
- Message identifiers, priority handling, ATS-Message-Header
- Specification of AMHS functions by references to MHS profiles
- AMHS systems management, traffic logging
- AMHS (ATN) migration to the Internet Protocol Suite (IPS)
Part 2: AFTN/AMHS gateway (operational aspects)
- Communication scenarios, functional model
- Address conversions
- Conversion between AFTN and AMHS information objects
- Supplementary functions and extensions
Part 3: MHS and AMHS routing
- Definitions and key issues
- Need of regional planning work
- Interrelations between routing, topology and addressing plans
- Topology design aspects
- Routing with AMHS addressing plans
- Hierarchical routing in the global AMHS
- European AMHS routing conventions
Part 4: Enhancements with the Extended ATS Message Service
- Scope and defintions
- Support of unstructured binary data
- Replacement of the AMHS ATS-message-header
- AMHS security services
- ATN/AMHS directory services
Part 5: MHS and AMHS procedures
- MHS standard series, AMHS conformance requirements
- InterPersonal Messaging System (IPMS)
- Message Transfer System (MTS)
- Message Store (MS)
- Initialisation operations
- MHS protocols
- MTA-MTA connection parameters in the AMHS
Part 6: MHS and AMHS information objects
- Basics of MHS information objects
- Interpersonal Messaging System (IPMS) – information objects
- Message Transfer System (MTS) - information objects
- Use of object identifiers and ASN.1
Part 7: AFTN/AMHS gateway (technical aspects)
- Format of handled AMHS and AFTN information objects
- AMHS to AFTN conversion
- Probe processing
- AFTN to AMHS conversion
Part 8: Regional AMHS implementations
- Activities towards the European AMHS
- Other regional planning and coordination work
- Regional AMHS profiles
- Conformance, interoperability and pre-operational testing
- European AMHS off-line management (AMC)

