Visibility Services CRX & Interstandard Roaming June 15, 2007 Presented By: Linda Pennot Product Manager ®

Proprietary and Confidential2 What Is Visibility Services Visibility Services is a near real-time online interface that allows wireless operators to view roaming activity within their own markets and other markets where their subscribers may be roaming. Visibility Services features address roaming customer service, troubleshooting and network/roaming partner analysis. Visibility Services is a comprehensive source of real-time roaming customer activity information that is above and beyond typical protocol analyzers in use today.

Proprietary and Confidential3 How Can Visibility Services Help You Increase first-call resolution of roaming issues –Customer satisfaction –Lowers cost of handling problems Quicker identification and resolution of problems –Enables you to maximize roaming revenue Global presence requires 24 x 7 troubleshooting –Visibility Services works when your roaming partners don’t

Proprietary and Confidential4 1XRTT Roaming – Mobile Data Roaming Home Network/Domain Laptop Access Accounting RADIUS Serving Networks/Domain Mobile Device Foreign Agent (FA)/PDSN Foreign AAA Home Agent (HA) Home AAA Syniverse AAA Internet Credentials Internet IP Network Reporting Settlement Reporting Cell Site/MSC 1XRTT/EV-DO MSC Packet Control Function Air Interface Data Signaling/Messaging End User Bill

Proprietary and Confidential5 SS7 Network Message Delivery Messaging – Uniroam My Home Operator – San Francisco Where I’m Visiting - London An Interworking Interoperabilty Function (IIF) bridges the gap between ANSI-41 and GSM networks, allowing wireless service providers to offer service in different technology networks. Syniverse’s product name is UniRoam. Operators have the flexibility to select their own roaming sponsor operator, to enable your customers to roam in that sponsor’s markets Both Common ANSI-41 and GSM MAP Messages are converted Inter- working Function UniRoam Database SyniverseTampa

Proprietary and Confidential6 What is URA? The Unique Roamer Activity (URA) function enables you to view detailed roaming activity for a single subscriber. The URA report provides information you can use to: Answer customers' questions Investigate unusual activity Troubleshoot problems Interpret errors Integrated approach

Proprietary and Confidential7 MDR – Summary Level Data Registration Visiting PDSN AAA (MDR Proxy) Accounting (Syniverse)

Proprietary and Confidential8 MDR - Operation Level Access Request (Registration) Accounting - Start Accounting - Interim Visiting PDSN AAA (MDR Proxy)AAA (Home) (Syniverse)

Proprietary and Confidential9 MDR - Bubble Chart

Proprietary and Confidential10 MDR - Detail

Proprietary and Confidential11 Uniroam ANSI-41 and GSM Messaging

Proprietary and Confidential12 Uniroam - Summary Level Voice Registration Data Registration Receiving a Call CDMA GSM EUROPE

Proprietary and Confidential13 Uniroam - Operation Level Voice Registration Data Registration Receiving Call CDMA GSMEUROPE

Proprietary and Confidential14 Uniroam - Bubble Chart Bubble chart of Voice Registration, Data Registration, and Call Received

Proprietary and Confidential15 Uniroam Data – Summary Level

Proprietary and Confidential16 Uniroam Data- Operation Level

Proprietary and Confidential17 Uniroam Data – Bubble Chart

Proprietary and Confidential18 Uniroam Data – Detail

Proprietary and Confidential19 Thank You