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CRX Provider’s view of Carrier-ENUM

CRX Provider’s view of Carrier-ENUM. Douglas Hilmes, Syniverse Technologies, Inc 12 January 2006. About Syniverse Technologies. Global communications technology company specializing in innovative business and network engineering solutions that manage and interconnect voice and data systems

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CRX Provider’s view of Carrier-ENUM

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  1. CRX Provider’s view of Carrier-ENUM Douglas Hilmes, Syniverse Technologies, Inc 12 January 2006

  2. About Syniverse Technologies • Global communications technology company specializing in innovative business and network engineering solutions that manage and interconnect voice and data systems • Network and Database Services • Number Portability Services • Voice and Data Clearing Services • Call Processing Services • Mobile Data Services • Telecommunications industry leader since 1987 • Headquartered in Tampa, Florida, USA with a global sales force in: Brazil, China, France, India, Italy, Luxembourg, The Netherlands, Singapore, Slovakia, & United Kingdom. • Over 335 customers in approximately 44 countries throughout the Americas, Asia Pacific and Europe

  3. ENUM GRX Network (.gprs) CRX Network (.cdma.net) MMS Service Example Alltel Cingular MMS Interworking Gateway Direct Carrier Link Verizon T-Mobile Private IP Space +1-813-451-4824 • Example utilizes three services: • General packet radio service roaming exchange (GRX) offering • CDMA Data Roaming Exchange (CRX) network solution • MMS Interworking Gateway (MMS-IG) • Customers of Cingular, Alltel, and Verizon desire to send a MMS message to the number +1-813-451-4824 which is reachable via T-Mobile Note: Example is illustrative only and does not imply any actual business relationships

  4. ENUM GRX Network (.gprs) CRX Network (.cdma.net) Cingular View of +1-813-451-4824 Alltel Cingular MMS Interworking Gateway Direct Carrier Link Verizon T-Mobile Private IP Space +1-813-451-4824 For Cingular to T-Mobile MMS messages the NAPTR record returned from the ENUM query could be: mailto:18134514824@mms.mnc160.mcc310.gprs Note: Example is illustrative only and does not imply any actual business relationships

  5. ENUM GRX Network (.gprs) CRX Network (.cdma.net) Alltel View of +1-813-451-4824 Alltel Cingular MMS Interworking Gateway Direct Carrier Link Verizon T-Mobile Private IP Space +1-813-451-4824 For Alltel to T-Mobile MMS message, the path would go through the MMS-IG the NAPTR record returned from the ENUM query could be: mailto:18134514824@mms-ig.cdma.net The MMS-IG would transcode the message and conduct a second ENUM dip to forward the transcoded message to mailto: 18134514824@mms.mnc160.mcc310.gprs Note: Example is illustrative only and does not imply any actual business relationships

  6. ENUM GRX Network (.gprs) CRX Network (.cdma.net) Verizon View of +1-813-451-4824 Alltel Cingular MMS Interworking Gateway Direct Carrier Link Verizon T-Mobile Private IP Space +1-813-451-4824 For Verizon to T-Mobile MMS message, the path would go through direct link the Verizon view of the NAPTR record might look like: mailto:18134514824@192.168.14.40 In this example, the T-Mobile MMSC would be responsible for the transcoding and the entry point could be a different MMSC versus the MMSC utilized for other GSM providers. Note: Example is illustrative only and does not imply any actual business relationships

  7. Summary • Operators may desire a different response from ENUM depending upon their transport and interworking relationships with other operators: • CRX • GRX • MMS Interworking hubs • Private/Direct IP connections • One goal of Operator-ENUM should be to provide the operators flexibility to define how they view other operators and the entry points to those networks.

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