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スイッチ Edgewater Networks 4200 SeriesのPDF クイック・スタート・マニュアルをオンラインで閲覧またはダウンロードできます。Edgewater Networks 4200 Series 8 ページ。 Converged network appliance

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DHCP server and FTP/TFTP relay. These features are used to simplify and
expedite the IP configuration of phones and PC's. This also includes VoIP
signaling gateway information (MGCP and SIP).
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Call quality monitoring and test tools.
4200 configuration:
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Firewall enabled
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VoIP ALG enabled
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NAT enabled
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SNAT enabled
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Routing enabled
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Traffic shaping enabled
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DHCP server enabled
Benefits
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Security of private IP addresses and voice aware firewall
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Traffic shaping prioritizing voice over data traffic.
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Recover bandwidth for data when not used for voice
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Simplified management and administration
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Simplified adds, moves and changes
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Scalability – the single public IP address can continue to be used for new
subscribers to the service.
Installing The 4200 With Existing Infrastructure
In enterprise networks with existing routers and firewalls, the 4200 can be
configured as a VoIP Application Layer Gateway only, which maintains the functions
and services of the existing network appliances. It allows all of the existing network
devices to continue to handle data traffic, while the 4200 handles voice and video
traffic.
In the deployment below, the 4200 is connected to the Internet via a WAN
termination device. The enterprise ethernet network is then connected to the LAN
port on the 4200. In this example a single public IP address is used to proxy for all of
the IP phones and the 4200 routes data traffic to the public side of the firewall.
WAN Termination
(eg. xDSL Modem)
The 4200 provides the following services:
L2 Switch
4200
Firewall