CONTENTS

 1     Scope
 2     References
        2.1     Normative references
        2.2     Informative references
 3     Abbreviations
 4     Introduction
        4.1     Simultaneous voice and facsimile modulation schemes
        4.2     Overview of the V.61-based simultaneous voice and facsimile scheme (ASVF)
        4.3     Overview of the V.70-based simultaneous voice and facsimile scheme (DSVF)
        4.4     Overview of the H.324-based simultaneous voice and facsimile scheme (MSVF)
 5     Operational modes
        5.1     Initiation as SVF call
        5.2     Switch to voice only during SVF call
        5.3     Switch to voice only during SVF call
        5.4     SVF terminal to standard facsimile terminal
        5.5     Voice only call
 6     Facsimile operation during SVF
        6.1     Indications for Recommendation T.30
        6.2     Indications for Annex F/T.90
        6.3     Indications for Recommendation V.76
        6.4     Operation on H.324
        6.5     Indications for V.8 bis