Polycom V2IU Converged Network Appliance 6400-S - Manual (Page 9)

Introduction
1 - 3
The 6400-S is designed to protect managed VoIP service providers and
enterprise customers from network-based attacks. It combines topology
hiding, dynamic session admission control and stateful packet inspection to
secure critical voice, video and data infrastructure components.This chapter
introduces the:
• Functional features
• Hardware features
• Management features
NMS
PC PC
PC
IP Phone
IP Phone IP Phone
6400-E
PC
H.323
Endpoint
6400-S 6400-E
IP
Network
PSTN PSTN
Aggregation Router
Aggregation
Router
4300T
Gateway
H.323
Laptop
IP Phone
IP Phone
Headquarters
Branch Office Company B
T-1/E-1 NxT-1/E-1
H.323
Gatekeeper
PSTN
Gateway
Application
Server
Softswitch
Gateway
EM016