Panasonic KX-TDA0480 Installation Manual

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Panasonic KX-TDA0480 Installation Manual Manual pdf 13 page image

PlanningInstallation Manual 132.1.1 H.323 Version 2 NetworksThe H.323 Version 2 standard is an important step toward the standardisation of equipment andsoftware used in IP telephony. The KX-TDA0480 is compliant with the standards set forthunder the H.323 specifications.The sample network used throughout this document is configured as H.323 and examples ofthe parameters needed for network configuration are provided. Below is a brief discussion ofthe H.323 standard and the role the KX-TDA0480 plays in the scheme of things.H.323 Network OverviewH.323 is a device-independent, comprehensive set of multimedia communications standardsset forth by the International Telecommunications Unit (ITU). Among others issues, H.323 setsforth standards for multimedia communications over IP-based Local Area Networks (LANs)and Wide Area Networks (WANs) and for end-point (terminal) devices which interact acrossthe networks.When implemented within an H.323 network, the KX-TDA0480 compliance helps to insurethat:• The KX-TDA0480 is interoperable with other H.323 compliant devices, irrespective ofmanufacturer.• Communications between various networks (LAN and WAN), and between end-pointdevices (terminals), is as seamless as possible.• The impact of high network loads caused by bandwidth intensive applications such as videoand telephony applications, are more easily handled through H.323 bandwidthmanagement.• The effects of variable LAN latency inherent in various networks are minimised.• End-point terminals with differing capabilities (data, audio, and video) can interact.The H.323 standard sets forth four major components that participate in an H.323"conference".H.323 Network Entities• Terminals• Gateways• GatekeepersH.323GatewayH.323GatekeeperH.323TerminalH.323TerminalH.323MCUH.323TerminalH.323 Gatekeeper Zone