CONTENTS

 1     Conference calling (CONF)
        1.1     Scope
        1.2     References
        1.3     Definitions
        1.4     Symbols and abbreviations
        1.5     Description
        1.6     Derivation of a functional model
        1.7     Information flows
        1.8     SDL diagrams for functional entities
        1.9     Functional Entity Actions (FEAs)
       1.10     Allocation of functions to physical entities