H.323 Deployment Events 1998 1999200020012002200320042005 H.235 Security Unix Gatekeeper Ethernet Power H.450 Fancy Services NT Gatekeeper USB Desktops Unified Messaging PCI Desktops LDAP Gatekeeper H.323 Phones VC Appliances Rack Mount CODECs Wireless H.323 RELIABILITY Cell H.323 POTS Cable TV Over IP DEPLOYMENT 100% 0% Video Voice