1 General
2 Notation for National and
International Telephone Numbers
3 Notation for Electronic Mail
Addresses
4 Notation for Web Addresses
5 Classes of symbols
6 Diallable symbols
7 Procedural symbols
7.1 International prefix symbol
7.2 Use of parentheses
7.3 Multiple numbers reached through
automatic search
7.4 Multiple numbers without automatic
search
7.5 In-dialling
7.6 Symbol to indicate the existence
of an additional dial tone
8 Information symbols
9 Spacing symbols
10 Facsimile number notation
Annex A
Desirable properties
of diallable symbols
A.1 Distinct from other diallable
symbols
A.2 Widely known name
A.3 Reproducible
A.4 ITU-T-ISO compatible
A.5 Made up of a single character
A.6 Abstract
A.7 Immediately recognizable as a
diallable character