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VoIP, Portability, and the Evolution of Addressing LNPA & Future of Numbering Working Groups April 14, 2005 Presented by  Penn Pfautz
[object Object],[object Object],PSTN Routing Regional NPAC SMS Carrier LSMS LNP SCP Porting  Carrier Switch NPA-NXX Routing tables Dialed Number LRN Telcordia LERG™ industry broadcast record update Carrier OSS NPA-NXX CLLI Assoc. Trunk Selection Trunking data
Problem Statement & Solution Path ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What is ENUM? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],DNS Lookup 7.9.7.6.6.3.2.3.7.9.1.e164.arpa  sip:sfisher@att.net sip: sfisher@verizon.com mailto:sfisher1@att.com mailto:steve_fisher@yahoo.com
The Public ENUM Infrastructure $ORIGIN e164.arpa.  3.7.9.1 IN NS nsnanp.enum.com .  4.4 IN NS sweden_enum.com . … $ORIGIN 3.7.9.1.e164.arpa.  7.9.7.6.6.3.2 IN NS e164.att.net . 8.9.7.6.6.3.2 IN NS e164.xyz.com . … $ORIGIN 7.9.7.6.6.3.2.3.7.9.1.e164.arpa.  IN NAPTR 100 10 "u" "E2U+SIP" "!^.*$!sip:19732366797@att.net!" .  e164.arpa Tier 0 (Country Code Registry) Tier 1 (Telephone Number Registry) Tier 2 (Application Information) International Implementation worked in IETF and ITU-T National Implementation worked in CC1 ENUM LLC and ENUM Forum (US) … nsnanp.enum.com (3.7.9.1.e164.arpa) e164.att.net sweden_enum.com (4.4.e164.arpa)
ENUM Call Flow Internet 794-867-5309 9.0.3.5.7.6.8.4.9.7.1.e164.arpa sip:7948675309@carrierc.net mms:7948675309@carrierc.net DNS MSC Carrier C MMSC Carrier A
Why ENUM? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
ENUM Status ,[object Object],[object Object],[object Object],[object Object],[object Object]
Alternatives to ENUM ,[object Object],[object Object]

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VoIP, Portability, and the Evolution of Addressing

  • 1. VoIP, Portability, and the Evolution of Addressing LNPA & Future of Numbering Working Groups April 14, 2005 Presented by Penn Pfautz
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  • 5. The Public ENUM Infrastructure $ORIGIN e164.arpa. 3.7.9.1 IN NS nsnanp.enum.com . 4.4 IN NS sweden_enum.com . … $ORIGIN 3.7.9.1.e164.arpa. 7.9.7.6.6.3.2 IN NS e164.att.net . 8.9.7.6.6.3.2 IN NS e164.xyz.com . … $ORIGIN 7.9.7.6.6.3.2.3.7.9.1.e164.arpa. IN NAPTR 100 10 "u" "E2U+SIP" "!^.*$!sip:19732366797@att.net!" . e164.arpa Tier 0 (Country Code Registry) Tier 1 (Telephone Number Registry) Tier 2 (Application Information) International Implementation worked in IETF and ITU-T National Implementation worked in CC1 ENUM LLC and ENUM Forum (US) … nsnanp.enum.com (3.7.9.1.e164.arpa) e164.att.net sweden_enum.com (4.4.e164.arpa)
  • 6. ENUM Call Flow Internet 794-867-5309 9.0.3.5.7.6.8.4.9.7.1.e164.arpa sip:7948675309@carrierc.net mms:7948675309@carrierc.net DNS MSC Carrier C MMSC Carrier A
  • 7.
  • 8.
  • 9.

Notas del editor

  1. Number must be in full E.164 format including Country Code