1. Harvard Video Network

2. Before: High Level Harvard VC Core

3. Before: Harvard VC Core Every Unit was its own island Security Issues Open firewall rules Public network Only H.323 or ISDN High ISDN costs Interoperability issues

4. High Level Harvard VC Core

5. Harvard VC Core Centralized SIP and H.323 registrars and proxy Each endpoint on private IP space Firewall traversal Focused on SIP Level3 SIP trunk for PSTN access Centralized Bridging Interoperability Recording and streaming ISDN gateway for university wide savings Desktop video conferencing

6. CTS

7. Video Conferencing Core

8. Interoperability H.323 and SIP seemless interoperability Microsoft SD Lync to Video Core H.320 (ISDN) CTS to any standard based system  Bridging up to 20 HD calls at one time  Bridging up to 16 units on the TelePresence Server Bridging

9. Interoperability

10. MOVI

11. Interoperability CTS - C-Series CTS – ISDN C-Series – CTS CTS – Bridging (8510 and 8710) CTS – MOVI

12. Harvard Video Network Questions? TelePresence@harvard.edu