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Presents Fall Forum 2002

Presents Fall Forum 2002. The H.323 Revolution. Presented by Eli Orr EliOrr@radvision.com October 2002. Agenda. H.323 Milestones H.323 Architectures How H.323 Address Requirements Conclusion. Milestones of. H.323. Version 1, May 1996

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Presents Fall Forum 2002

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  1. Presents Fall Forum 2002

  2. The H.323 Revolution Presented by Eli OrrEliOrr@radvision.com October 2002

  3. Agenda • H.323 Milestones • H.323 Architectures • How H.323 Address Requirements • Conclusion IMTC Fall Forum – November 2002 – New York, NY, USA

  4. Milestones of H.323 IMTC Fall Forum – November 2002 – New York, NY, USA

  5. Version 1, May 1996 • Focus on LAN and Switch Circuit Network (PSTN) concepts • Version 2, January 1998 • Fast Connection, Security, QSIG based Supplementary Services,.. • Version 3, September 1999 • Any New Codecs enabled, Call ID Improve, MIB defined • Version 4, November 2000 • Advanced Scalability, HTTP control, advanced usage information, bandwidth management, Enable Tunneling of PSTN Signaling, Call Credit Capabilities. • Today: Towards Version 5 SCTP, Enhanced Security, Mobility, IPSec, IPv6, Presence, .. H.323 Maturity Phases IMTC Fall Forum – November 2002 – New York, NY, USA

  6. Networking Equipment Gateways IP-PBXs Softswitches Gatekeepers MCUs Application Servers Call Center Systems eCommerce (VXML) Carrier Class VoIP servers Well managed OSS/BSSSolution (OSP) • Terminals • VCSystems • Desktop Endpoints • IP Phones (Hardware) • Soft phones • Hand Held Devices / PDAs • Management • VoIP OAM&P systems • DSP Solutions • IP Phone • Residential Gateway H.323 Today Most Matured VoIP Products Suite For more: www.h323forum.org “products and services” IMTC Fall Forum – November 2002 – New York, NY, USA

  7. H.323 Architectures IMTC Fall Forum – November 2002 – New York, NY, USA

  8. H.323 is Successfully deployed in and between Enterprises Switched Circuit Network H.320 mode MCU MCU Corp Headquarters LAN H.323 Desktop Endpoint Remote Site Wide Area Network MCU H.323 Standalone Endpoint H.323 Standalone Endpoint H.323 Standalone Endpoint Voice only (analog) H.323 Desktop Endpoint Gatekeeper H.320 MCU H.323 Standalone Endpoint External Customers, Vendors, Remote Offices PSTN/H.320 Gateway Gatekeeper IMTC Fall Forum – November 2002 – New York, NY, USA

  9. H.323 in Service Providers Backbones SIP Network IP-PBX PSTN Carrier / ASP Carrier / ASP Carrier-B Carrier / ASP Carrier / ASP MGCP Network PSTN Carrier-A MCU H323 / OSP GK PSTN Carrier-A Infrastructure Zone IMTC Fall Forum – November 2002 – New York, NY, USA

  10. How H.323 address Requirements ? IMTC Fall Forum – November 2002 – New York, NY, USA

  11. Interoperability – All version all types shall operate together! • Service Management • Centralized/Decentralized • Endpoints Authentication • Resources usage control • Scalable • Redundancy/Recovery • Accounting • Call Credit • Efficient Networking Usage • Scalable • Advanced address resolution • DNS/LDAP integration • Reliable signaling • Efficiency • Optimized network usage • QoS exchange • Rich Conferencing Services • On-line Participants change • Flexible in Multimedia Qualities • Applications data sharing • Common Qualities detection • Advanced conference control • Friendly addressing • Enabled Privacy • Media mixing • Add on Services • Flexible for Service Creation • Best PSTN like services • DTMF in band/out-band • PSTN Harmonization • Solutions for Hybrid networks • Add-on services defined mapping Rich Media Communication Requirements IMTC Fall Forum – November 2002 – New York, NY, USA

  12. PSTN Harmonization H.323 Solutions IMTC Fall Forum – November 2002 – New York, NY, USA

  13. Based on PSTN QSIG logical Layer • ECMA defined formal interwoking solutions • H.450 Rich Suite of Services • Call Transfer (H.450.2) • Call Diversion/Forwarding (H.450.3) • Call Hold (H.450.4) • Call Park and Pick-Up (H.450.5) • Call Waiting (H.450.6) • Message Waiting (H.450.7) • Name Identification (H.450.8) • Call Completion on Busy (H.450.9) • Call Offer (H.450.10 uses H.450.6) • Call Intrusion (H.450.11) • H.450 Capabilities and Policies (H.450.12) PSTN HarmonizationH.450 Supplementary Services A C B IMTC Fall Forum – November 2002 – New York, NY, USA

  14. SCN - 2(Switched Circuit Network) H.323 over IP network SCN - 1(Switched Circuit Network) PSTN HarmonizationTunneling PSTN Signals • SCN (Switched Circuit Network) will exist for many years- SS7 signaling transport over IP will be very useful for coexistence • Enables H.323 as a “transport layer” between telephony domains • Enables signaling between SCN networks over H.323 • QSIG – Annex M.1 • ISUP – Annex M.2 • DSS1 – Annex M.3 IMTC Fall Forum – November 2002 – New York, NY, USA

  15. Desktop PSTN Harmonization Well Known Tones and Announcements • Gatekeeper can signal a Gateway to play tones and announcements • The users on both sides can get the known PSTN status sounds PSTN Phone H.323 network PSTNnetwork IMTC Fall Forum – November 2002 – New York, NY, USA

  16. Rich Media Conferencing H.323 Solutions IMTC Fall Forum – November 2002 – New York, NY, USA

  17. Rich Multimedia ConferencingFlexible and Mature Solution • Enable adding and terminating participants on-line • Media and other capabilities exchange well defined • No limit for media qualities and Codecs to use • Real-time application data sharing (T.120) • Media mixing to see and hear several participants(MCU) • Conference chair control • Control resources – camera control (Annex Q) • Can operate with media encryption (H.235 v2) IMTC Fall Forum – November 2002 – New York, NY, USA

  18. Interactive Web Voice Response (IWR/IVR) • Follow me services • Web multimedia instant messaging • Presence services enabled! Can operate with Web based applicationsH.323 Annex K WEB Call Center (CTR) Web Server Applications Gatekeeper H323/450 Protocol Call Management IP HTTP H.323 IMTC Fall Forum – November 2002 – New York, NY, USA

  19. Service Management H.323 Solutions IMTC Fall Forum – November 2002 – New York, NY, USA

  20. Billing Server DNS Database HTTP Server LDAP Server Well Managed Services With a Gatekeeper • Billing • Usage report • Registrations • Usage • Data of Personal Customization • Management • Configuration • Service Creation (Annex K) • Authentication • Address Resolution • Address • resolution OSP (*) Gatekeeper (Softswitch Call Agent) • Inter-SP Dynamic Settlements MCU IMTC Fall Forum – November 2002 – New York, NY, USA

  21. Active Gatekeeper Backup Gatekeeper Enhanced Service Availability • H.323 using SCTP • Enable Gatekeepers farm as one gatekeeper for end point • Redundancy • Alternate Gatekeeper • Warm registration backup • Switches to another gatekeeper upon failure • Routing Redundancy • Supports multiple optional routes IMTC Fall Forum – November 2002 – New York, NY, USA

  22. Security H.323 Solutions IMTC Fall Forum – November 2002 – New York, NY, USA

  23. User and Terminal authentication & Authorization • Who is using the service? • What services shall be provisioned? • Secured Signaling • Protection of signaling protocols against manipulation, misuse, DoS,confidentiality & privacy • Conversational Multimedia confidentiality • Encryption of the RTP streams to prevent eavesdropping • Key Management • Secure key distribution and key management among the parties (e.g. Using LDAP) • Support Various Operational Scenarios • Point-2-point, multipoint, small scale and very large scale Security Services H.235 Suite IMTC Fall Forum – November 2002 – New York, NY, USA

  24. Advanced Networking H.323 Solutions IMTC Fall Forum – November 2002 – New York, NY, USA

  25. Enhanced Networking Solutions • Most Efficient Call Setup – FastStart and its enhancements • Reliable Signaling – TCP Based since day one • Q.931 Multiplexing – Performance boost for high capacities • QoS – Can request QoS from network (RSVP) • Media Streaming – Over UDP / ATM • Service Availability – Desired Protocols requests • Real-Time Fax - On-line switching to Fax transmissions IMTC Fall Forum – November 2002 – New York, NY, USA

  26. Rich Media Conferencing H.323 The Enabler IMTC Fall Forum – November 2002 – New York, NY, USA

  27. Requirements Addressing • Very Rich Conferencing Services • Advanced PSTN Harmonization • Add-on Services suite and Service Creation Enabled • Advanced Service Management • Efficient Networking Resources Usage Operates today on many environments and chipsets… IMTC Fall Forum – November 2002 – New York, NY, USA

  28. H.323 on Various OS environments • Unix OSs • Solaris Sparc • Solaris PC • TRUE64 • Linux RedHat • HP-UX • … • MS Windows • Windows XP • Windows 2000 • Windows NT 4.0 • Windows 95/98 • RTOS • Windows CE • VxWorks • Nucleus • PSOS • OSE • Embedded Linux • … IMTC Fall Forum – November 2002 – New York, NY, USA

  29. Application (Features, services, UI …) Applications Powered H.323 • Enabling Rich Media Conferencing • H.323 Version 4 • H.225 Version 4 • H.245 Version 7 • H.450.1-12 • H.235 Version 2 • Annexes (HTTP control, SCN, ...) Application code High Level API Conference Manager Add Ons H.225 Q.931 Call Signaling RAS Registration Admission Status RTP/RTCP Real-Time Protocol H.245 Call Control H.450H.235 Porting Layer TCP/UDP/IP, OSs Platform 3rd Party IMTC Fall Forum – November 2002 – New York, NY, USA

  30. Conclusion There is a Powerful and MatureRich Media Communication Protocol to Build New Great Products ITU-T H.323 Version 4 IMTC Fall Forum – November 2002 – New York, NY, USA

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