1. SIP Progress Report IPCC CompTel Conference Anaheim, Feb.2004 Manuel Vexler SIP Forum Chair SP-WG www.sipforum.org

2. Service Providers Working Group 2 Where to find SIP? Voice over LAN / Broadband Cable Telephony IM, Web phones, Multimedia IP PBX and IP Centrex SIP 146M SIP/WinXP PCs in 2003 147K FWD users 180 countries 130+K residential lines Vonage, 8x8, i2Tel, Volo Applications Interconnect

3. Service Providers Working Group 3 Servers ContentApplications Internet Clients Building Blocks for IP- Telephony IP Network IP Access SIP Clients Dedicated Transport and Signalling Customized Services Fixed Telephony Enterprise PBX Cellular Cable Telepony SIP How SIP Works Session establishment: locates users first Session description: provides connectivity Application agnostic: messages are generic Negotiation guarantees interoperability Benefits of using SIP Uses Web Hypertext format Integrates browsing, email, voice calls,presence, instant messages and videoconferencing Compact and simple protocol stack Easy to develop and deploy Used by IP-Telephony (IPT), cable and 3G wireless Independent of the underlying IP network New applications and services delivered without changes to network infrastructure Uses URLs to address SIP resources

4. Service Providers Working Group 4 SIP is much more than IP-Telephony Servers ContentApplications Internet Clients IP Network IP Access SIP Clients SIP Media convergence Phones and Soft Phones IP-Telephony Fixed Line IP PBX and IP Centrex Conferencing Call Centers / ACD Cable Telephony 3G Wireless SMS Videoconferencing Instant Messaging Presence Video delivery Web integration Business Processes …

5. Service Providers Working Group 5 SIP v2H.323 v5 Philosophy Designed for IP and Internet. Open session between two points following the Web (URL) Designed for LAN multimedia. Detailed specs include physical layer (CODECs) New Services Extensions to SIP can be negotiated during session. 2+ years to deploy a new service; first requires ITU to ratify new version Multimedia Handling Can mix media during session. Include Presence management Cannot mix media in same session. No Presence management Failure Handling Network failures handled by application Network failures handled inside the H.323 protocol Market Standard gaining market share (replaced H.323 at Microsoft) Broad support – legacy protocol. Last major H.323 rev. was V4 ratified in Nov. 2000. SIP vs. H.323

6. Service Providers Working Group 6 SIP Benefits: Services Delivery Media independence (similar to HTTP and SMTP) Rapid service deployment (separation from transport) Integration of IT and telecom Built-in mobility Broadly accepted standard 20 SIP related protocols over 100 drafts for voice over IP, packet Cable, 3G wireless, Short Messages, security

7. Service Providers Working Group 7 SIP Benefits: Value Creation Months Cumulative Savings

8. Service Providers Working Group 8 Business Process Integration

9. Service Providers Working Group 9

10. 10 Example: Broadband installation Reduced time and cost Smart dispatch One visit Automated back and front office update Generate additional revenues Leverage on customer visit to sell additional features and offer promotions

11. Service Providers Working Group 11

12. Service Providers Working Group 12 Disruptive Technologies Successful, well-run, well established companies loose markets, when they fail to differentiate between sustaining and disruptive technologies. Sustaining technologies improve established products. They are usually developed by companies holding a leadership position in their industries. Disruptive technologies start with features that a few fringe customers value. Products are typically cheaper, simpler, smaller, better performing, and more convenient to use.

13. Service Providers Working Group 13 Sustaining Technology IPT gains market share Total Phone System IP Telephony 0 2 4 6 8 10 12 14 16 18 (Millions) 20022003200420052006 Yankee Group, 2003

14. Service Providers Working Group 14 Sustaining Technology IPT with broadband Bundled services to fight broadband churn IPT is used as customer “loyalty reward” IPT is ready for bundling with broadband Internet

15. Service Providers Working Group 15 19961998200020022004 0 200 400 600 800 1,000 (Millions) Fixed Mobile Internet Mobile Internet 2006 1,200 IPT SIP Disruptive Technology Media Convergence SIP delivers converged services

16. Service Providers Working Group 16 Disruptive Technology Geographical independence A local call anywhere in the world In Austin (512) 233-4567 In Mexico City (512) 233-4567 In Rio (512) 233-4567 In Rome (512) 233-4567 In Delhi, India (512) 233-4567 In Cape town (512) 233-4567 In Montreal (512) 233-4567 In Delhi, Iowa (512) 233-4567

17. Service Providers Working Group 17 SIP is on the roll SIP changes the way services are delivered – wireline to cable – cellular to Wi-Fi – soft phones to Instant Messages Solid business cases CAPEX, OPEX savings productivity savings integration with business processes A great set of standards to work with interoperability end point to end, and network to network comprehensive 20 SIP related protocols and 100+ drafts simplicity modern software embraced by OEMs and ASPs SIP

18. Service Providers Working Group 18 SIP Forum 41 Full Member Companies, over 1200 members Interoperability – SIPit – SIMPLEt – Certification Working Group SIP Marketing – Tradeshow participation – Speakers bureau – Whitepapers and Website Service Providers Supports the entire community including wireline, wireless, cable operators, and ISPs Defines SIP and convergence needs for all Service Providers

19. Service Providers Working Group 19 SIP Forum Service Providers Working Group We are developing SP specific requirements Proposed practices for interconnecting SIP providers SIP Services for revenue generation We have 30+ members (sample list) ATT, BT, Cingular, France Telecom, KDDI, MCI, Pulver and Savvis We need your input It is your choice to communicate what your business needs… …but if you don’t do it, we may miss customer features to suit you You can join as an individual for free, even if your company isn’t member of the SIP Forum We frugal on time and focused on results Bi-weekly conference calls of 1 – 1.5 hours Our two editors helped by a core group are progressing rapidly Participation is strictly on volunteer basis