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Introduction
The 4300T Converged Network Appliance
The V
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IU 4300T is an intelligent, all-in-one networking solution for enterprises
and service providers. It reduces costs by simplifying the deployment,
management and security of converged voice, video and data networks. The
4300T provides the following important functions for converged networks:
T1 Wide Area Network (WAN) Access Router
The 4300T provides an integrated T1 CSU/DSU for small and medium office
connectivity.
Security
A stateful packet inspection firewall is used in combination with a VoIP
application layer gateway to provide comprehensive “media-aware” security.
The 4300T also supports IPSec for secure site-to-site networking.
VoIP
The 4300T resolves NAT/FW traversal problems for SIP, MGCP and H.323
traffic. It allows a single public IP address to be used for multiple VoIP clients.
VoIP survivability is also provided by the 4300T so that local SIP PSTN
gateways can be used for inbound/outbound calling during WAN link
failures.
Quality of Service
The 4300T maximizes WAN link utilization while optimizing voice quality
using prioritization and shaping.