H.323 terminals that are endpoints on a LAN, gateways that interface between the LAN and switched circuit network, a gatekeeper that performs admission control functions and other chores, and the MCU (Multipoint Control Unit) that offers conferences between three or more endpoints. H.323 terminals are LAN-based end points for voice transmission. Common examples are a computer running Microsoft NetMeeting and an Ethernet-enabled telephone. All H.323 terminals support real-time, 2-way communications with Marion dial up, Marion, VA up dial MarionMarion up, dial Virginia, Marion dial up
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