14. VON Europe 1999 SIP Progress Report Navigating the Crossroads to Interoperability Jim Nelson - Founder, co-CEO

15. www.dynamicsoft.com Leader of Java-based software applications for converged networks Why Is Interoperability Critical ? lInteroperability Allows Service Providers  To freely choose what equipment components are best for their network deployment lInteroperability Allows Equipment Manufacturers  To provide differentiated solutions to end customers

16. www.dynamicsoft.com Leader of Java-based software applications for converged networks Specific Interoperability Challenges lBetween Multiple Equipment Vendors  In today’s environment, carriers will deploy equipment from multiple vendors lBetween Different Networks  Need bridge between different carrier networks

17. www.dynamicsoft.com Leader of Java-based software applications for converged networks Technical Challenges lMedia Gateway Controller (MGC) to Media Gateway (MG) lMGC to MGC lMG to MG

18. www.dynamicsoft.com Leader of Java-based software applications for converged networks What is SIP ? lSession Initiation Protocol (SIP) lIETF Proposed Standard (RFC 2543) lGeneric Call Services Protocol lSimilar to HTTP

19. www.dynamicsoft.com Leader of Java-based software applications for converged networks SIP’s Role in Interoperability to PSTN to SS7 Signaling Gateway Signaling Gateway Media Gateway Controller Media Gateway Controller MGC SG Media Gateway Media Gateway MG SIP Client SIP Client SIP Proxy SIP Proxy RTP Megaco IP Network to SS7 to PSTN SIP Megaco sigtran

20. www.dynamicsoft.com Leader of Java-based software applications for converged networks SIP Components lUser Agents  Clients to initiate calls and servers to accept or reject calls lServers  Proxy  Redirect  Registration

21. www.dynamicsoft.com Leader of Java-based software applications for converged networks SIP Is A Platform lDefined Building Blocks Enable Rapid Innovation lExtensibility Mechanisms lSecurity lMedia and Transport Independent

22. www.dynamicsoft.com Leader of Java-based software applications for converged networks Value of SIP lInteroperability  User agents for intra-MGC communications  Servers that span carrier networks lDesigned for IP Networks lPlatform for Enhanced Services lScalable

23. www.dynamicsoft.com Leader of Java-based software applications for converged networks SIP Is Scalable lMinimal Resource Requirements  Stateless servers  Minimal bandwidth overhead  Well suited for endpoint devices lLow Call Setup Times lText-based Encoding

24. www.dynamicsoft.com Leader of Java-based software applications for converged networks SIP Enables Applications lBilling lDirectory Services lInternet Call Waiting lCollaboration leCommerce  Click-N-Call

25. www.dynamicsoft.com Leader of Java-based software applications for converged networks SIP Interoperability Update lSIP Bake-Off Events  April 1999 - 15 Companies test interoperability between their equipment dynamicsoft, Nortel, Ericsson, 3 Com, HP, Ellemtel, Dialogic, BT, PingTel, Alcatel, Columbia University, MCI, Cisco, Lucent Technologies, MediaTrix Call setup interoperability demonstrated in 2 day event  Next Bake-off planned for August in New York, USA

26. www.dynamicsoft.com Leader of Java-based software applications for converged networks What Is MEGACO ? lMedia Gateway Controller Protocol  MGCP, MDCP, H.gcp lCommon Media Control Interface lMoving Forward As The Recognized Standard lVersion 02 Expected This Week

27. www.dynamicsoft.com Leader of Java-based software applications for converged networks MEGACO Interoperability Drive Standards from the MGC to the MG Vendor A MGC Vendor A MG Vendor B MG Vendor C MG

28. www.dynamicsoft.com Leader of Java-based software applications for converged networks Interoperability Next Steps lMore Interoperability Events lMore Equipment Manufacturers and Service Providers Actively Testing Interoperability lActive Participation by Leading Standards Bodies and Consortiums

29. www.dynamicsoft.com Leader of Java-based software applications for converged networks dynamicsoft’s SIP Effort lDrive Standards lDrive Increased Scalability and Interoperability lDeliver Enabling Technologies to Build Applications

30. www.dynamicsoft.com Leader of Java-based software applications for converged networks jSIP TM Implementation lRich API Set for Flexibility  Java and C/C++ lInternet Approach  Platform independent  Clients and servers  Security and firewall friendly lVersion 2.1 Shipping Today  Designed to deploy SIP rapidly

31. www.dynamicsoft.com Leader of Java-based software applications for converged networks Information Resource www.dynamicsoft.com Booth # 26 ljnelson@dynamicsoft.com  p: +1 732.741.7244