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ENUM - e.164 Number to SIP Address Mapping

ENUM is an IETF Standard (RFC 2916) which maps the public telephone number address space into the DNS. The DNS resource records can then be used to map the telephone number(s) into a collection of service addresses including SIP or H.323 VoIP Addresses.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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