RFC 3966: The tel URI for Telephone Numbershttps://www.rfc-editor.org/rfc/rfc3966.html
[ E.123 ] International Telecommunications Union, "Notation for national and international telephone numbers, e-mail addresses and web addresses", Recommendation E.123, February 2
Having a bank account without having a phone numberhttps://www.devever.net/~hl/phonebank
and overpriced telecommunications networks ever to have blighted the earth, at least in this century), the carrier eventually decided I clearly don't need the number after all and
Asteriskā¢: The Definitive Guidehttp://www.asteriskdocs.org/en/3rd_Edition/asterisk-book-html/asterisk-book.html
Tailor-made private telecommunications networks Low barrier to entry Hosted solutions of similar complexity to corporate websites Proper integration of communications technologies
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