Foreword
Introduction
1 Scope
2 Normative References
3 Terms and definitions
4 Abbreviations
5 Multimedia Conferencing Standards
   5.1 General
   5.2 H.320 recommendations
   5.3 H.321 and H.310 Recommendations
   5.4 H.323 Recommendations
        5.4.1 H.323 Terminals
        5.4.2 Gateways
        5.4.3 Gatekeeper
        5.4.4 Multipoint control unit
   5.5 H.324 Recommendations
   5.6 T.120 Recommendations
        5.6.1 T.120 Overview
        5.6.2 T.120 Layer composition
        5.6.3 T.120 Interoperability
6 Telehealth applications
   6.1 General
   6.2 Telelearning
   6.3 Teleconsultation
7 Interoperability issues
   7.1 General
   7.2 Standard-related sources of interoperability issues
        7.2.1 Loose adaptation of previous protocols
        7.2.2 Loosely defined encoding and decoding methods
        7.2.3 Inconsistent definition of mandatory/optional
               requirements
        7.2.4 Gaps in the recommendations
        7.2.5 No specifications for data encoding in the
               H.320/H.323 Recommendations
        7.2.6 Evolving T.120 Recommendations
        7.2.7 Loosely defined specifications for an MCU
        7.2.8 Evolving/undefined specifications for Gateways
               and Gatekeepers
        7.2.9 Loosely defined bandwidth management
        7.2.10 Poor standardization of media conferencing
   7.3 Product-related Sources of Interoperability Issues
        7.3.1 Time delay between the standards
               (ever-evolving) and products
        7.3.2 Implementation of a different subset of the
               standards
        7.3.3 Proprietary solutions
   7.4 Implementation-related sources of interoperability
        issues
        7.4.1 Undefined specifications for Gatekeeper
               Communication
        7.4.2 Gateway to Gatekeeper Communication
        7.4.3 A decentralized multipoint conference
8 Interoperability requirements
   8.1 General
   8.2 Call Setup
   8.3 Acquisition, processing, and transmission of
        multimedia data
   8.4 Controlling near- and far-end devices
   8.5 Call termination
9 Interoperability in heterogeneous telehealth networks
   9.1 General
   9.2 Interoperability of H.320 systems over frame relay
        network
   9.3 Interoperability of h.3xx-compliant systems over
        heterogeneous networks
        9.3.1 Gatekeeper functions
        9.3.2 MCU functions
        9.3.3 Design requirements - Telehealth solutions
10 Framework for interoperable architectures
   10.1 General
   10.2 Telehealth component boundaries
        10.2.1 User interface
        10.2.2 Medical Devices
        10.2.3 Data manager
        10.2.4 Processing Manager
        10.2.5 Communications Manager
        10.2.6 Resource Manager
        10.2.7 Integration Manager
Bibliography