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IU 4350 Converged Network Appliance
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Configuration Guide For Trunk Side IP PBX Applications
Companies with existing IP-based WAN links for inter-office voice and data
communications can use the 4350 as a traffic shaper to meet the stringent jitter,
latency and packet loss requirements for toll quality voice. The 4350 is
deployed at the edge of the WAN in both headquarters and branch office
locations, as shown below.
The 4350 performs WAN/LAN IP routing and traffic management functions
in this application. In particular, it provides prioritization to ensure voice
packets are not delayed or dropped while allowing data traffic to use all
remaining bandwidth.
Data Networking Configuration dynamic NAT Optional but
recommended
static NAT Optional
static IP routing Optional
Firewall Configuration enable the data firewall Yes
configure basic settings Optional
configure advanced settings Optional
Traffic Management
Configuration
enable traffic shaping Yes
enable Call Admission Control Optional
Frame Relay
Or
IP Network
IP PBX
IP PBX
IP PBX
Branch Office
Headquarters
Branch Office
4300T
4300T
T1/E1
T1/E1
4300T
EM005
4350
4350
4350