VON Europe 1999 SIP Update Jim Nelson - Founder, co-CEO

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

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

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

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

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 lDesigned for IP Networks

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

Leader of Java-based software applications for converged networks SIP Interoperability Update lSIP Bake-Off Event  April, Companies Test Interoperability on 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

Leader of Java-based software applications for converged networks SIP and MEGACO - Why Both ? lComplimentary Technologies  MEGACO IETF draft Common media control interface  SIP Call Services lSupport the Delineation of Control from Media

Leader of Java-based software applications for converged networks SIP in a VOIP Network 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

Leader of Java-based software applications for converged networks SIP: Current Events lCall Processing Language - CPL  Language that Works with SIP to Create Enhanced Services XML-based IETF Sponsored lMulti-part body  Support for MIME types lSIP used to carry ISUP between MGC’s

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

Leader of Java-based software applications for converged networks jSIP TM Implementation lRich API Set for Flexibility  Java and C/C++ lFeatures  Highly Scalable  Platform independent  Clients and servers lVersion 2.1 Shipping Today  Designed to deploy SIP rapidly

Leader of Java-based software applications for converged networks Information Resource Booth # 26  p: