1. © 2005 Netcentrex Inc.. All rights reserved. Netcentrex Inc.. Proprietary Information. The information contained in this document is protected by U.S. and international laws relating to intellectual property. This document and the information contained herein may not be summarized, translated, modified, copied or otherwise adapted to a third party’s needs without the written permission of Netcentrex, Inc. All information is subject to change without notice and Netcentrex Inc.. does not warrant the information’s accuracy or correctness. Netcentrex, the Netcentrex logo, and MyCall are trademarks, service marks or registered trademarks or service marks of Netcentrex Inc. IPlay3, the IPlay3 logo, AllPlay3, the AllPlay3 logo, U-Play3 and the U-Play3 logo are trademarks of IPlay3. www.iplay3.com Considerations in Triple Play Applications Development Guillaume Widmer, CTO, Netcentrex Inc.

2. 22 © 2005 Netcentrex Inc.. Proprietary Information 2 www.iplay3.com www.netcentrex.net Netcentrex at a Glance Company Softswitch-based IP services company founded in 1998 Profitable since 2002, exponential growth in 2004 - $20M to $34M 260 employees with extensive telecom experience and unparalleled VoIP expertise 60% R&D / Technical Staff Direct presence in 12 countries and worldwide presence through a network of partners Success More than 80 enterprise and service provider customers across EMEA, US & Asia 1.8 M VoIP active VoIP Lines of which 150,000 are IPcentrex subscribers Deploying over 4,000 VoIP lines per day Frost & Sullivan reports that Netcentrex has 41% of the WW Class 5 Softswitch market Strong Investor Base

3. 33 © 2005 Netcentrex Inc.. Proprietary Information 3 www.iplay3.com www.netcentrex.net IP for Converged networks Traditional Vertical Structure 2G/2.5G Mobile Network Switched TDM Network IP Data Backbone Broadcast / Cable TVFixed Data Fixed Voice Mobile PSTN Services Mobile Services ISP Services TV Content Emerging Horizontal Structure IMS-based, IP Core Network WiFi 2G/3G Converged Network Access: Dialup, xDSL, Fiber, Cable, Satellite Common Services Voice & Video Switching Converged Services 3 rd Party Applications Multimedia Content Multimedia Devices IP Gateway

4. 44 © 2005 Netcentrex Inc.. Proprietary Information 4 www.iplay3.com www.netcentrex.net TDM IP Converged Services Technology 2G2,5G3G release 993G release 5POTSBroadband/VoIPVideoIP TVIN Interconnect MMS SMS VXML Portal Voice Mail Single number Fixed/Mobile Cross Network Call Pickup Digital Terrestrial TV Video On Demand Seamless Forwarding Locator based Forwarding Browse mode portal Informal Interactive Mode Video Communication Video conferencing Video Mail Unified Messaging

5. 55 © 2005 Netcentrex Inc.. Proprietary Information 5 www.iplay3.com www.netcentrex.net Triple Play : Key Success Factors Fixed-Mobile triple play bundle Seamless services through unified service access portal One triple play bundle for mobile and fixed line Cross “play” and cross network services For higher user-friendliness For higher customer stickiness Interconnection of different services and networks Services Voice and Video communication Messaging services Media services: Broadband IP-TV, Mobile IP-TV Networks PSTN, Broadband IP, 3G, Wi-Fi

6. 66 © 2005 Netcentrex Inc.. Proprietary Information 6 www.iplay3.com www.netcentrex.net Requirements for Triple Play Applications Converged Services Service and Network Integration Fixed – Mobile Integration and IMS Integrated media services delivery Backend support for OSS and billing

7. 77 © 2005 Netcentrex Inc.. Proprietary Information 7 www.iplay3.com www.netcentrex.net Converged Services Applications User-friendly Unified access for all services Intuitive interface Unlimited service delivery capability Example: IP-TV/Communication share features Caller ID on TV Voice mail notification TV-Based video call and PVR synch TV/PC-based click-to-talk from address book TV-based video mail E-mail, chat, and instant message TV Broadcast VOD On line purchase IP based Telephony Video Communication

8. 88 © 2005 Netcentrex Inc.. Proprietary Information 8 www.iplay3.com www.netcentrex.net Service & Network Interconnection Video Streaming TV on Demand Video on demand Communications Media Fixed & mobile Voice and Video communication Services Multi-device delivery Service Convergence Messaging services Unified Messaging Services Near real time messaging: MMS/SMS/IM Voice and video mail Fixed Access Mobile Access

9. 99 © 2005 Netcentrex Inc.. Proprietary Information 9 www.iplay3.com www.netcentrex.net Fixed-Mobile Interconnection Issues Analog MPEG-2 MPEG-4 encoders H324m RTSP Audio Video FTP server Stored Media EPG TVoDSL ETTH,FTTH 3G R99 3G R5 SIGTRAN MGCP Gateway SIP H323 SIP Translation H323 SIP To H324m Video Content TV on demand Clip, DVD on demand Video Telephony

10. 10 © 2005 Netcentrex Inc.. Proprietary Information 10 www.iplay3.com www.netcentrex.net Media server attributes for Triple Play Universal access from any device Video enabled devices: 3G, PC, Video Phones and Set-top boxes From POTS: voice remains accessible from Video IVR and Video Mail Format conversion Protocol H323/SIP CIF to QCIF (mobiles) Frame per second range for Fixed to Mobile: 25 - 15 fps to 7/8 fps Codecs G.722.2 Audio AMR H.264/MPEG 4 Video portal Based on ubiquities Voice XML and Video script standards => Rapid « kiosk » model deployment

11. 11 © 2005 Netcentrex Inc.. Proprietary Information 11 www.iplay3.com www.netcentrex.net Video Services for All Markets T-Commerce Entertainment IP Network Security Family meeting Video Mail Kids Monitoring Community Personal Proximity Services Healthcare Vital sign monitoring Tele-nursing Banking support Astrology

12. 12 © 2005 Netcentrex Inc.. Proprietary Information 12 www.iplay3.com www.netcentrex.net Video Services Delivery Chain Voice & Video Telephony, and IP- Video Service Provider UMTS rel.99 IP broadband VoIP Content Providers Customer care Dating Weather Astrology CommunityIP-TV PC/ Webcam Video phone 3G mobile Users TV News

13. 13 © 2005 Netcentrex Inc.. Proprietary Information 13 www.iplay3.com www.netcentrex.net Integrated Triple Play Services Components: Call Control Encoders: MPEG4-H.264; MPEG-2 Digital Rights Management Portal/EPG + Voice and Video Communication Middleware Integration billing … place calls, forward calls, manage an address book, retrieve voice mail, place video calls. …review the current TV schedule, search the schedule, program recording of selected broadcasts. …search video content in a library, view trailers and select and purchase videos on demand. …review bill, pay bill, upgrade service package, set parental controls, subscribe to special offers.

14. 14 © 2005 Netcentrex Inc.. Proprietary Information 14 www.iplay3.com www.netcentrex.net 800 K subscribers, 8 million calls a day, 820 € ARPU / year Fastweb: the Largest Triple Play Provider  60% of new Fastweb customers subscribe to Video-telephony!

15. 15 © 2005 Netcentrex Inc.. Proprietary Information 15 www.iplay3.com www.netcentrex.net What is a softswitch ? H.323 Call Control SIP Call Control MGCP Line endpoint management H.323 Registrations SIP Registrations SS7 & MGCP Trunk control Call Control Switching Units Protocol Translation Engine Access Control Internal Registration Database or External Access Gatekeepers or SIP registrars MGCP/L Multiline Call Manager SS7 MGCP-T GW Control Any SS7 GW Controller with SIP or H.323 VoIP interface H.323/SIP Monolithic Approach Modular approach H.323/SIP

16. 16 © 2005 Netcentrex Inc.. Proprietary Information 16 www.iplay3.com www.netcentrex.net The New Public Network Architecture User Access Domain Equipment located in the customer premises, access authentication equipment, access management equipment Residential gateway, Cable modem with VoIP, xDSL modem with VoIP, IP Phone … Application Domain (Class V or other) Collocated equipment for added value applications : IP Centrex, Call Center, etc …, and equipment for application usage reporting. Application gatekeeper, announcement server, IVR… VoIP Class IV Domain Collocated equipment for basic and VPN call routing within the VoIP network, and infrastructure management. Location Gatekeeper, Directory gatekeeper, Number portability gatekeeper … VoIP Network Edge Domain Interfaces with the PSTN and with other VoIP networks, interdomain call detail reporting. Security equipment. Edge proxy, protocol converter, SS7 gateway, ISDN gateway, trunking gateway. …

17. 17 © 2005 Netcentrex Inc.. Proprietary Information 17 www.iplay3.com www.netcentrex.net Architecture MGCP/L CPE’s Access Domain Subscriber Domain Softswitch, Call Control and Media Server Domain SOFTSWITCH SIP CPE’s NAT Enable MGCP/L SIP Edge Domain SIP IP PSTN SMC IP

18. 18 © 2005 Netcentrex Inc.. Proprietary Information 18 www.iplay3.com www.netcentrex.net Access Control PBX IP Trunking MGCP H.323 SIP PSTN PLMN VoIP Network Interworking Media Servers and Application Softswitch Class IV SBC SIP or H323 MyCall and Business Services Class V Solutions LDAP Call Control User Service Profile Netcentrex Current Distributed Architecture Media Control

19. 19 © 2005 Netcentrex Inc.. Proprietary Information 19 www.iplay3.com www.netcentrex.net IMS: the future of Fixed-Mobile Interconnection

20. 20 © 2005 Netcentrex Inc.. Proprietary Information 20 www.iplay3.com www.netcentrex.net PSTN PLMN VoIP Network Interworking Call Session Control PBX IP Trunking MGCP H.323 S- CSCF I- CSCF P-CSCF + A-BGF SIP AS (Netcentrex) AS AS (Third Party) User Service Profile AS HSS LDAP SBC BGCF MGCF/SGF MRF AS I-BGF SIP Netcentrex IMS Architecture 3 rd Party Component New Netcentrex Component

21. 21 © 2005 Netcentrex Inc.. Proprietary Information 21 www.iplay3.com www.netcentrex.net Thank you for your attention! Contact Information: Guillaume Widmer, CTO, Netcentrex Inc. guillaume.widmer@netcentrex.net 1.408.450.5925