E.164 definitions

E.164

the ITU-T dialing plan standard - the basis for all International telephone numbering.
Found on http://www.encyclo.co.uk/visitor-contributions.php

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E.164

ITU-T recommendation for international telecommunication numbering, especially in ISDN, BISDN, and SMDS. An evolution of station telephone numbers.
Found on https://www.encyclo.co.uk/local/22803

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