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the ROAD To ENUM

the ROAD To ENUM. 06 Apr 10. Agenda. What is ENUM? ENUM positioning toward IMS Benchmarking GSMA Pathfinder. ENUM Process explained RFC 3761 - E.164 Number Mapping. Dual ENUM Support – IMS/VoIP. Operator Global Services VoIP. Regional Connect VoIP. VoIP operator.

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the ROAD To ENUM

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  1. the ROAD To ENUM 06 Apr 10

  2. Agenda • What is ENUM? • ENUM positioning toward IMS • Benchmarking • GSMA Pathfinder

  3. ENUM Process explainedRFC 3761 - E.164 Number Mapping

  4. Dual ENUM Support – IMS/VoIP Operator Global Services VoIP Regional Connect VoIP VoIP operator Regional or Country ENUM Regional Connect IMS Operator Global Services IPX IMS operator

  5. ENUM • Many Flavours • User • Global • Private/Operator/Enterprise • Federation/Country • Infrastructure/Carrier • Many Applications • Evolved PSTN NGN • Number Portability • IP Interconnect • IMS • But is it fit for all?

  6. Carrier ENUM vs Public ENUM

  7. DNS Server (Tier 1) DNS Server (Tier 1) DNS Server (Tier 1) DNS Server (Tier 1) DNS Server (Tier 1) DNS (Tier 2) DNS (Tier 2) DNS (Tier 2) DNS (Tier 2) DNS (Tier 2) DNS (Tier 2) DNS (Tier 2) DNS (Tier 2) DNS (Tier 2) DNS (Tier 2) DNS (Tier 2) DNS (Tier 2) DNS Hierarchy for ENUM "Single Root" Model One Master Root (Tier 0) Master Root Server (Tier 0) Multiple Secondary Roots (Tier 0) per network Secondary Root Server (Tier 0) Secondary Root Server (Tier 0) Secondary Root Server (Tier 0) (Tier 1) Master & Slaves typically per country (Tier 2) Master & Slaves typically per operator or centralised and shared

  8. AlternativeS to ENUM • Plain SIP Routing • Intelligent Network (IN) Routing • DUNDi (http://www.dundi.com) “there are many others but none is worthwhile investigating; as ENUM provides a more scalable and interoperable solution”

  9. WWW.ENUM2go.com

  10. ENUM HANDSET

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