Clients, MPs, Gateways

H.323

Endpoint

Encounter

NetGate

Encounter

NetServer

H.323

Gatekeeper

Firewall

& H.3223 proxy

H.323

Endpoint

H.323

Endpoint

H.323

Endpoint

Router

Router

Remote Site

H.320

Endpoint

External Customers, Vendors, Remote Offices

H.323

Endpoint

H.323

Group System

H.323

Endpoint

Telephone

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