Recommendation ITU-T E.157 (06/2021) International calling party number delivery
Summary
History
FOREWORD
1 Scope
Table of Contents
2 References
3 Definitions
     3.1 Terms defined elsewhere
     3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Calling party number and its delivery
7 General principles
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