CONTENTS

 1     Scope
 2     General principles
        2.1     Access types
        2.2     Applicability for a telex subscriber
        2.3     Types of functions to be provided by the SEF
 3     Access protocols
        3.1     Access protocol by use of an access number different from the normal IWF number
        3.2     Access protocol by use of the same access number as the normal IWF number