Polycom 4300T User Manual
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Configuring the 4300T
3 - 7
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 4300T as a traffic shaper to meet the stringent
jitter, latency and packet loss requirements for toll quality voice. The 4300T is
deployed at the edge of the WAN in both headquarters and branch office
locations, as shown below.
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
VoIP Survivability
enable VoIP survivability
Yes
configure call processing server reachability
settings
Optional
specify the number of digits to use for local
dialing
Optional
configure the IP address of the local LAN side
PSTN gateway
Optional
configure call processing server redundancy
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