Protocol

ENUM

E.164 Number Mapping

Lab ready Full lab

DNS-based mapping of E.164 telephone numbers to URIs via NAPTR records (often sip: or mailto:). Used in number portability, VoIP peering, and carrier routing. Queries reverse the digits under e164.arpa or private trees.

Tags

e164naptrdnsnumbering

Sources

  • RFC 6116
  • RFC 3403 (NAPTR)

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