WiFi and 3G Convergence Made Easy

1. WiFi and 3G Convergence Made Easy Jim Grams Azaire Networks Chief Technology Officer

2. Motive to Converge 3G and WiFi Voice + data + multimedia / Licensed & unlicensed spectrum Hybrid Networks with mobility Converged services Widen broadband footprint Lower services delivery cost Exploit unlicensed service areas

3. All services, all devices, unique identify from one service provider Lower cost on campus mobile communications – voice and data Benefits for Operator & Users Mobile Operator Mobile Operator • Full set of services — with complete mobility • Lower capex while improving indoor coverage • Leverage existing investment with evolution to IMS Residence Enterprise

4. Core Functions UMTS/3G RAN DSL/Cable Access GSM/GPRS/EDGE RAN WLAN Access Role of Hybrid Access Networks • Solves in-building broadband wireless coverage problem • Reduces 3G deployment costs • Facilitates new service offerings, implemented at IP layer • Provides easy migration path among access technologies – today WiFi, tomorrow WiMax • Enables true convergence • Independence of access networks • Common services across different access networks • Integration with existing billing and OSS systems End User Services Functions PSTN Internet IMS / PS Services RADIUS & MAP/SS7 Access Networks

5. Robust Gateway Architecture Simplifies Multi Access Networks Operator Core Network Any IP Access Packet Services 802.1x WiFi M-WSG IMS Any WiFi MSC Server Subscriber WiMAX SCN UMA Controller Generic IP HLR One platform for mVoIP and Broadband data

6. Hybrid Network Enhances Mobile Operator Strategy Options • Defend existing voice business model: • Enable lower cost VoIP through Hybrid Networks • Increase minutes through fixed-mobile substitution • Combat encroachment with one number convenience • Reduce costs by exploiting WiFi/WiMax • Increase coverage for mobile broadband • Satisfy customer demand in home, office • Offload heavy data usage from WAN network • Extend with Mobile Broadband Services • Enable new access, and • Offer new, rich IP-based services • Provide comprehensive bundle

7. Convergence Approaches Azaire IP CNP Supports All Alternatives

8. Azaire’s IP-CNP Integrates into Carrier’s Existing NetworkIntegrated Service Delivery – 3GPP Compliant Solution Operator Core Network Internet Data Path Control Path Subscriber Management & Roaming Charging & Billing Network Management Any Vendor’s Core Equipment Packet Delivery Platform With HA Gr/D/C/ RADIUS/LDAP Ga/ RADIUS SNMP Control Path Data Path Service Control Node Metro WSG RADIUS Wi-Fi Locations Ethernet Ethernet Ethernet Enterprise Carrier Hotspot WISP Hotspot

9. Conclusion • Converged services represent an opportunity for mobile carriers to retain lead in innovation and customer satisfaction • Hybrid Networks enable cost-effective ubiquitous mobile broadband access and are most practical approach for network evolution beyond 3G • Azaire Networks solution provides flexibility and enables rich mobile broadband services regardless of convergence path selected ‘Mobile Convergence Made Easy’

10. Azaire Networks • Formed in 2003, headquartered in Santa Clara, California • Offices in Germany, India and the Netherlands • Customers using our solution include T-Mobile, Mobilkom Austria, Rogers Wireless, GoMobile, Optus • Our Mission: Enabling Broadband Mobility for IP Access • Next Generation IP Wireless Networks – 2.5G and Beyond • Easy deployment over IP layer – voice, data and other services are just new applications • Business Model: Selling end-to-end carrier-class infrastructure solutions to operators • Leverage existing core network investments for efficient IP delivery • Products: IP - Converged Network Platform • GSM/WiFi network connectivity with handover based on 3GPP standards • Support for UMA and pre-IMS configurations