CONTENTS

 1     Introduction
 2     References
 3     Mapping from protocols using escape codes where X.121 is the default numbering plan to protocols using TOA/NPI
 4     Mapping from protocols using escape codes where E.164 is the default numbering plan to protocols using TOA/NPI
 5     Mapping from protocols using TOA/NPI to protocols using escape codes where X.121 is the default numbering plan
 6     Mapping from protocols using TOA/NPI to protocols using escape codes where E.164 is the default numbering plan