4508T4 Converged Network Appliance Installation Guide
5
Feature Summary
VoIP
• SIP, MGCP and H.323 Application Layer Gateway (ALG) that allows a single public IP
address to be used for multiple VoIP endpoints
• VoIP survivability for local call switching to PSTN gateways during WAN link failures (SIP
only)
QoS
• Class based queuing/prioritization
• Diffserv marking and policing
• Traffic shaping
• VoIP Call Admission Control (CAC) prevents oversubscription of priority queue
Security
• Stateful packet inspection firewall
• VoIP aware firewall dynamically provisioning and closing of UDP ports used for VoIP calls
• IPSec: 3DES, SHA-1
• NAT/PAT server that hides enterprise LAN topology
Passive Call Quality Monitoring
• Per call statistics that include Mean Opinion Score (MOS) (average and minimum), jitter,
latency, and packet loss
• Alarms for poor MOS scores
• Active call count indicators
To Next Page
Loading...
Need help?
General
