CONTENTS

 1     Scope
 2     References
 3     Abbreviations
 4     What is GEF
 5     When to use GEF
 6     GEF module identification
 7     Specifying GEF modules
        7.1     Table-based method
                  7.1.1     Example definition of a fictitious feature using the table-based method
        7.2     Encoded in raw method
Appendix I – Informative
        I.1        Examples of GEF negotiation
                  I.1.1     RAS scenarios
                  I.1.2     Call signalling scenarios
Bibliography