ITU-T Rec. E.166/X.122 (10/1996) Numbering plan interworking for the E.164 and X.121 numbering plans
Summary
Source
FOREWORD
CONTENTS
1 Introduction
2 Scope
3 References
4 Definitions
5 Abbreviations
6 Interworking
    6.1 Numbering plans
    6.2 Methods
    6.3 Subscriber dialling procedures
    6.4 Escape code method versus NPI method
    6.5 Reconciliation between the escape code method and the NPI method
    6.6 Internetwork implementation
    6.7 Man-machine interface procedures
7 Interworking diagrams
    7.1 Conventions used in the interworking diagrams (Figures 2 through 28)
    7.2 Index of interworking diagrams
    7.3 Interworking diagrams
8 Recommendation history