Wireless Voice-over IP SIP-Based HandSet Solutions Hitachi Cable America July 11 th ,2006

1. Wireless Voice-over IP SIP-Based HandSet Solutions Hitachi Cable America July 11th ,2006

3. WLAN market growth and penetration: Largest driver for voice-over-WLAN is the growth of data-over-WLAN in enterprises , homes, and hotspots. Voice can “piggyback” on this. Handset architectural flexibility: smartphone operating systems, more powerful phone chipsets, and 3rd-party mobile software component suppliers contribute to the realization of mass-market VoWLAN handsets. VoIP adoption: Fixed VoIP has hit the early majority of adopters, mostly corporate and residential. VoWLAN is the best route for mobile VoIP. Mobile-fixed substitution: The world’s fixed and broadband operators want to capture (or regain) revenues from mobility - without the expense of spectrum licences and complex networks. With the adoption of the MVNO model, VoWLAN is the best way to start reversing historic fixed-mobile substitution. In-building coverage: Cellular coverage inside buildings can be poor, and contribute to churn. 3G in-building coverage is usually worse than 2G. VoWLAN can help solve this problem. Market Drivers for VoWLAN – Disruptive Analysis VoWLAN appears to be one of the few areas with as much end-user “pull” as vendor/operator “push”

4. Enterprise First – SIP based Early Adoptors: SMB, Carrier Hosted IP Do not underestimate Consumer Usage Dual Mode is the final frontier, but WiFi does not go away! Handset Market ForecastSingle mode and Dual mode

5. Vertical Markets: Medium to Large Enterprise with interest in a comprehensive wireless deployment Enterprises with branch offices Education – especially campuses with multiple buildings Healthcare with increasing capacity & security concerns Public access environments with both private and public access needs (e.g. Hotspots) Operators Hosted WiFi Extensions to existing IP Solutions Target Markets

6. Minicipality WiFi is HOT and Voice will Follow320 RFP ISSUED IN 2005

7. Hitachi Cable SIP WiFi HandsetsSingle and Dual Mode

8. Superior Technology and OEM/ODM Capability RF Design & manufacturing (Hitachi Research Labs) Elegant and Best Ergonomic Form Factor Unprecedented Scalability from SMB to Carrier Level Deployments History of Quality & Reliability ISO 9002 certified. RoHS compliant 4 –year in a row IBM Quality Winner, Cisco’s Optics Supplier of Year Award Interoperability: Large Range of Compliance Top-Tier IP-PBX/SIP Server Compliant (including IMS Apps) Top Tier AP Vendor Interoperability (L2/L3 Roaming) The Hitachi Cable Advantage (SIP)

9. Almost all RFPs from Carriers and Enterprise networks have SIP support as a mandatory item. Alcatel, Avaya, Cisco, IBM, Microsoft, Siemens have SIP-based Enterprise gear as their flagship products! Large Carriers, MCI, BT, AT&T, among the first to roll out SIP-based services SIP is simple, scalable, readily feature expandable, programmable, can support all legacy PBX features plus whole lot more! SIP (URIs) may identify a user, a device, a service, or some other combination for a pre-defined calling flow. SIP is user centric , one unifier that map across mulitple device media types, …. “ a public address”. SIP: The dominant Multimedia (VoIP) Protocol in the Industry

10. “So, SIP it…..….SIP it Good!”

11. Upgrade Release of WIP-5000 -A Version: Now (b) • Supports 802.11 b/g • SIP v2 with added Security Extensions • WMM 802.11e (QoS), Diffserv DSCP • WPA (PSK), WPA2 (soon to be released) • STUN, SNAT, UPnP • G711/G729A Codec • 300 Phone Entries • SIMPLE: Presence and IM ( SMS) • ~ 4 hour talk time, 60 Hr Stand-by • Many PBX Calling Features Supported • Award winning Voice Quality • EAP (TLS, TTLS, PEAP, MD5)

12. 2004 N+I Product of the Year award - Tokyo Internet Telephony Product of Year award US Avaya DevConnect Compliance Single Largest SIP-based deployment of > 7,200 and growing Long list of Technology Partners Awards 4

13. Phone Key Pad Layout for FNEs FNE’s Programmable Via Speed Dial Entry in Phone Book..

14. WirelessIP5000- ASIP WiFi Handset -Front- Earphone, Microphone, Mini-pin Volume Liquid Crystal Display（8lines, 10digits） keylock -Bottom- -Side- Connector （AC Adapter, USB Cable）

15. Interoperability List

16. Wireless IP 5000 For Enterprise and Carriers w/Hosted Offerings Superior Voice Quality, Battery Life and ergonomics Wireless IP 3000 For Carrier /MSO Consumers Maintain SMS Maintain Superior Voice Quality Current Handset PortfolioTBR 4Q/06 Dual Mode WIP-6000 WiFi 802.11g plus CWDM , GSM, or W-CDMA

17. Reducing expenses of traditional PSTN calling Unifying applications with open standards Extending centralized applications across the enterprise Using SIP Lower TCO by: • For operators, allows for Hosted IP Centrix type solution, with auto-binding for client. • Two options: WIP5000 and WIP3000

19. TDM PBX • VoIP for internal communications only • Separate TDM interfaces required for external communications with partners/suppliers/customers • Extra cost, extra hardware, extra complexity External Communications Phones TDM External Communications IP Data/Telephony Internal Communications LAN Router VoIP Today PSTN Local Access PSTN Local Access PSTN Long Distance PSTN Long Distance Service Provider SIP Network IP Network SIP Trunking PBX Phones • Single IP link for voice/data • Eliminate PSTN interfaces for long-distance and local access • Save 20%+ on toll charges • Prepare for future SIP solutions IP Data/Telephony All Communications LAN Router SIP Simplifies Networks A Single Pipe to the Cloud

20. With SIP, ENUM / IX POP Exchange is very easyRight here in New York!

22. Key Customers & Technology Partners

23. Customer Case Studies

24. 28 Floors + Conference Center Wireless Data access for guests Hitachi-Cable VoWLAN handsets for internal staff communications VoIP carrier providing services Floor 28 Floor … Floor 5 PDAs Floor 4 WiFiPhones Floor 3 Conference Floor Data Center MeruController Hyatt Osaka HotelData and Voice Deployment Managed IP Centrex Service Provided By VoIP Service Provider WAN

25. Thank You!For Listening