1. IMTC iNOW! - The Key to Major Market Share The initiative for V/FoIP equipment interoperability Jim Yu Director of Development ITXC Corp 600 College Road East Princeton, NJ 08540 www.itxc.com

2. Fall Interop Event -- Portland, Oregon USA -- December 1, 1999 IMTC iNOW! Vision Share voice, fax and data traffic across All IMTC iNOW! Compliant IP telephony platforms and networks regardless of the brand of equipment

3. Fall Interop Event -- Portland, Oregon USA -- December 1, 1999 What is IMTC iNOW! Industry initiative to quickly achieve interoperability among IP telephony platforms in advance of all the necessary standards documents being completedIndustry initiative to quickly achieve interoperability among IP telephony platforms in advance of all the necessary standards documents being completed iNOW! is not a standard, but based on standards and the standards processiNOW! is not a standard, but based on standards and the standards process How did iNOW! come about?How did iNOW! come about? –Based on first true interoperability between VocalTec, Lucent and ITXC –Strong, unelicited interest from the vendor community SupportersSupporters –over 40 supporting companies (vendors, service providers, testing facilities) publicly announced short term plans to be iNOW! compliant iLocus Daily - May 18, 1999iLocus Daily - May 18, 1999 “The (iNOW!) interoperability initiative now boasts nearly 30 supporting vendors. More importantly, the vendors supporting it control some 80- 90% of the IP telephony gateway market.”

4. Fall Interop Event -- Portland, Oregon USA -- December 1, 1999 IMTC iNOW! Supporters (As of July, 1999)

5. Fall Interop Event -- Portland, Oregon USA -- December 1, 1999 IMTC iNOW! Activity Group Charter  Guide members to build interoperable IP telephony products based on iNOW! Profiles  Provide a forum for technical exchange and to resolve iNOW! interoperability issues  Define test plans by which the member companies can test their products  Support, promote and participate in IMTC and ETSI TIPHON testing events  Consider additional features and a wider scope in future iNOW! Profiles  Encourage companies to adopt the iNOW! Profiles in their products  Work with ETSI TIPHON and ITU-T Study Group 16 to ensure the iNOW! Profile is harmonized with their specifications.

6. Fall Interop Event -- Portland, Oregon USA -- December 1, 1999 Interdomain Profile/Test Plan SIGInterdomain Profile/Test Plan SIG –Chair :Boaz Michaely, Vocaltec/Terry Anderson, Lucent Technologies Terminal Profile/Test Plan SIGTerminal Profile/Test Plan SIG –Chair :Vineet Kumar, Intel Corp. Intradomain Profile/Test Plan SIGIntradomain Profile/Test Plan SIG –Co-Chairs :Jean Francois Mulé, Clarent/Steven Liu, Cisco IMTC iNOW! Special Interest Groups

7. Fall Interop Event -- Portland, Oregon USA -- December 1, 1999 IMTC iNOW! Interdomain Profile Interdomain interoperabilityInterdomain interoperability –Gatekeeper to gatekeeper interoperability based on H.225 Annex G. –Outlines choices within H.323V2 and other standards –Support for interdomain model Peering modelPeering model Exchange carrier modelExchange carrier model –Limited GW-GW Interoperability ServicesServices –Phone to phone –Fax to fax –Terminal to Phone –Phone to Terminal

8. Fall Interop Event -- Portland, Oregon USA -- December 1, 1999 IMTC iNOW! Terminal Profile Terminal and Phone interoperabilityTerminal and Phone interoperability –Terminal to phone and phone to terminal interoperability based on H.323 Annex F (SET) and Annex J. –Outlines choices within H.323V2 and other standards –Support for interdomain model As specified in Interdomain ProfileAs specified in Interdomain Profile ServicesServices –Terminal to Phone –Phone to Terminal

9. Fall Interop Event -- Portland, Oregon USA -- December 1, 1999 IMTC iNOW! Intradomain Profile Intradomain interoperabilityIntradomain interoperability –Gateway to gatekeeper interoperability based on H.323V2 and other standards (including alt. GK) –Support for interdomain model As specified in Interdomain ProfileAs specified in Interdomain Profile –Support for Terminal As specified in Terminal ProfileAs specified in Terminal Profile ServicesServices –Phone to phone –Fax to fax –Terminal to Phone –Phone to Terminal

10. Fall Interop Event -- Portland, Oregon USA -- December 1, 1999 IMTC iNOW! News June 7 - IMTC becomes home for iNOW!June 7 - IMTC becomes home for iNOW! –IMTC iNOW! activity group established –Focus on enhancing and furthering real world interoperability enabled by the iNOW! Profile –All iNOW! activities to run out of IMTC! June 15 - The first IMTC iNOW! Activity Group conference callJune 15 - The first IMTC iNOW! Activity Group conference call –All companies and iNOW! supporters invited, iNOW! Supporters not IMTC member are requested to join IMTC. Over 30 companies on the call. –Interdomain SIG/Test SIG formed. June 21 - The first IMTC iNOW! Activity Group meetingJune 21 - The first IMTC iNOW! Activity Group meeting –At the IMTC Conferencing over IP (CoIP)/European Telecommunications Standards Institute (ETSI) TIPHON interoperability event in Sophia Antipolis, France. –Started Bi Weekly conference calls for Interdomain Profile/Test Cases July 16 - Announced the formation of Terminal SIGJuly 16 - Announced the formation of Terminal SIG –Based on H.323 Annex F –Started Bi Weekly conference calls for Terminal Profile

11. Fall Interop Event -- Portland, Oregon USA -- December 1, 1999 IMTC iNOW! News - Cont. August - SuperOp, 2nd iNOW! AG Test Event (with CoIP)August - SuperOp, 2nd iNOW! AG Test Event (with CoIP) –1st bunch of iNOW! Compliant equipment being tested –Based on Drafts of Interdomain Profile and Terminal Profile September 7 - 1st IMTC iNOW! Terminal Demo at VONSeptember 7 - 1st IMTC iNOW! Terminal Demo at VON –Intel/Cisco/Lucent/ITXC demonstrated IMTC iNOW! Terminal/Phone and Phone/Terminal interoperability October 1 - Terminal Profile and Interdomain Profile Submitted for Activity BallotsOctober 1 - Terminal Profile and Interdomain Profile Submitted for Activity Ballots November 4 - Announce the formation of Intradomain SIGNovember 4 - Announce the formation of Intradomain SIG –Based on H.323 V2 and alt. GK protocol (part of contributions to ETSI TIPHON) –Complements Interdomain and Terminal Profiles November 5 - Terminal Profile Passed AG Ballot, submitted for IMTC BallotNovember 5 - Terminal Profile Passed AG Ballot, submitted for IMTC Ballot November 8 - Interdomain Profile Passed AG Ballot, submitted for IMTC BallotNovember 8 - Interdomain Profile Passed AG Ballot, submitted for IMTC Ballot

12. Fall Interop Event -- Portland, Oregon USA -- December 1, 1999 IMTC iNOW! News - Next Step 11/29 - 3rd iNOW! Test Event - Portland, OR (with CoIP)11/29 - 3rd iNOW! Test Event - Portland, OR (with CoIP) 1/7 - Complete Terminal Profile IMTC Ballot1/7 - Complete Terminal Profile IMTC Ballot 1/7 - Complete Interdomain Profile IMTC Ballot1/7 - Complete Interdomain Profile IMTC Ballot 2/00 - Submit Intradomain Profile for AG Ballot2/00 - Submit Intradomain Profile for AG Ballot 2/00 - 4th iNOW! Test Event - Sophia Antipolis, France (CoIP/ETSI)2/00 - 4th iNOW! Test Event - Sophia Antipolis, France (CoIP/ETSI) 4/00 - Intradomain Profile submitted for IMTC Ballot4/00 - Intradomain Profile submitted for IMTC Ballot 5/00 - Initial Draft of Interdomain Profile V3.0 submitted for AG discussion, including consolidation of ETSI Tiphon Profiles5/00 - Initial Draft of Interdomain Profile V3.0 submitted for AG discussion, including consolidation of ETSI Tiphon Profiles

13. Fall Interop Event -- Portland, Oregon USA -- December 1, 1999 Broadening of iNOW! Enhanced servicesEnhanced services New classes of equipmentNew classes of equipment –Next-Gen and IP Enabled Switches Excel Switching - EXS Media GatewayExcel Switching - EXS Media Gateway Lucent Technologies - DefinityLucent Technologies - Definity –Single Port Gateways AplioAplio

14. Fall Interop Event -- Portland, Oregon USA -- December 1, 1999 Realities Lack of interoperability is a real problem facing service providers and vendors alike, and is constraining the growth of the V/FoIP industryLack of interoperability is a real problem facing service providers and vendors alike, and is constraining the growth of the V/FoIP industry Efforts like IMTC prove that the industry is maturingEfforts like IMTC prove that the industry is maturing IMTC iNOW! Profiles provide a framework for interoperability NOW!!IMTC iNOW! Profiles provide a framework for interoperability NOW!! iNOW! offers tangible benefits to equipment vendors and service providersiNOW! offers tangible benefits to equipment vendors and service providers Vendors are committed to implement to the IMTC iNOW ProfilesVendors are committed to implement to the IMTC iNOW Profiles iNOW! Is an integral part of IMTCiNOW! Is an integral part of IMTC

15. IMTC iNOW! - The Key to Major Market Share The initiative for V/FoIP equipment interoperability Jim Yu Director of Development ITXC Corp 600 College Road East Princeton, NJ 08540 www.itxc.com

16. Fall Interop Event -- Portland, Oregon USA -- December 1, 1999 IMTC iNOW! Supporter