Domestic & International Roaming

1. CDG International Roaming TeamCIBER Update &Introduction to MXPNewport Beach, Ca. – May 9th, 2002

2. Domestic & International Roaming

3. CIBERNET Today • 3 Locations Worldwide • Washington, DC • London, UK • Hyderabad, India • Over 60 Employees • Senior Management Team has over 85 years of telecom industry and operations experience • Serve over 300 customers worldwide

4. CIBER™ V2.5 Today The Cellular Inter-carrier Billing Exchange Roamer record: CIBER • Developed in 1988 (version 1.0) • Licensed by 205 operators & 45 vendors • In 38 countries • North America (Canada & USA) • Latin America (25) • Asia-Pacific, Europe, & Middle East (11)

5. Multilateral Financial Settlement 286 Participants in 84 countries $7 Billion settled annually, in 65 currencies ProvideDomestic, Regional, International, Inter-Standard, & Cross Cycle

6. Data Billing Guideline • CIBER Specification - Appendix K • Issued in November 2000 (CIBER V2.5) • Circuit & Packet Switched Data Guidelines • Record Types used • Special Features Used • Field population guidelines • Scenarios • Bi-Laterally agree on what record(s) to use

7. Circuit Switched Data • Record Types 10, 20, or 22 used • Populate SSU/Air Charge Field • Special Features Used (Section 8, Table 5) indicates type of service used • Assumption: Circuit Switched usage billed by minute of use • Other fields populated as appropriate

8. Packet Switched Data • Record Types 10, 20, 22, 30, and 32 used • Misc Surcharge Descriptor - rating method, i.e. packet, octet, byte, etc. (10 & 20) • Misc Surcharge - packet data charge (10 & 20) • Message Accounting Digits - number of units (All) • Other Charge or Charge No. 1 Ind. - packet, octet, byte, etc. (22, 30, 32) • Other Charge or Charge No. 1 - packet data charge (22, 30, 32) • Special Features Used “T” + other table 5 values (All)

9. Special Features Used • Section 8, Table 5 values: 6 – Fax 7 – Data Services H – Satellite Data Service I – Satellite Fax Service M – SMS S – Direct Internet connection T – Packet Data Services U – No Air and Toll Charges (Used with T above)

10. M-Commerce & the Mobile Internet

11. Next Generation, Inter-Company, Wholesale Billing Exchange & Settlement ProtocolMXP™ Not just for Roaming Anymore

12. Why is a New BillingExchange Protocol Necessary? • Need the ability to: • Exchange next generation service details • Digital content • Messages (SMS, MMS) • Premium services (Location based, etc.) • In near real time • Support new business and revenue sharing models with new business partners • Charge and or Credit differently • Micro-charges, volume vs. duration, event, session, etc.

13. Who needs a Next Generation Billing Protocol? • Operators providing more than just voice services • Mobile content providers • Mobile application service providers • Content aggregators • M-commerce platform vendors

14. MXP™The Mobile Xchange Protocol • Designed specifically for the mobile Internet and M-commerce • Designed for all of today’s wireless services, regardless of network or air interface technology (CDMA, GSM, TDMA, 3G) • and Roaming

15. MXP Features • Event or transaction based, not service or charge specific • Near real time, or batched • XML format for flexibility and ease of use • Robust data validation procedures and return processing • Full audit and control • Supports any charge or rate element

16. MXP Records • 3 record types • Service • Aggregate • Reject • Messages & Envelopes • Individual records (Messages) or • Batched in Envelopes

17. MXP Record content • Wireless Service & Wholesale Billing details • Trading Partner Ids (SID, BID, BRI, PMN) • Subscriber information (MIN, IMSI, NEI) • Event information (Data, Voice, Commerce) • Services (Air, Packet, SMS, etc.) • Charges (Rate + unit of measure) • Audit Information

18. MXP Record Layout Transmission Information (Who) Record Heading (What, When, Why) Charge Information (Totals) Subscriber Information Event Information Services & Charges (Detail Information) Audit Information

19. MXP Process • Step by Step Process • Validation rules • Standard value sets (Industry tables) • Reject & Return procedures • Transmission guidelines • XML Record Layouts • XML schema • Sample MXP records

20. MXP Viewer – CIBER Writer • An optional utility that facilitates implementation and use of MXP • Analysis • Customer service • Development • View actual data and convert to CIBER record format (or TAP) • Plug and play with legacy applications

21. MXP compared to TAP 3

22. Mobile Transaction Flow Mobile Operator Consumer Bills Network Elements Mediation Billing System Content & Service Providers, Content Aggregators, Merchants Other Operators Billing System Mediation Network Elements CIBERNET Transaction Management & Financial Settlement Revenue Flow Financial Settlement Service Delivery MXP

23. How Operators and Service Providers Benefit with MXP? • Robust billing exchange protocol for mobile Internet and M-commerce suppliers • Includes new trading partners in established business processes and revenue cycle • Supports new and changing business models

24. MXP Benefits • Standard data exchange format • Better use and management of data • Assure next generation service revenue • Flexible and extensible • Designed for today’s wireless services and tomorrow’s next generation networks and services

25. MXP is a wholesale billing input and output format MXP supports any rate and charge type MXP supports any wireless service MXP is compatible with and complements other billing protocols MXP is not a software application MXP is not a rating or billing engine MXP is not air interface or network dependant MXP is not limited for use by CIBER users or operators What MXP Is & is Not

26. Questions ? Thank You Parry Snow CIBERNET +1 202 736 2990 Psnow@cibernet.com www.cibernet.com