- ALG/B2BUA and NAT for SIP- Proxy mode including multi-homed and transparent proxy modes- VoIP Test Call Agent- VoIP Aware Firewall- Stateful Packet Inspection (SPI)- TLS IPSec and VPN- IEEE 802.1X port-based Networks Access Control (PNAC)- QoS: Traffic shaping prioritization guaranteed bandwidth and CAC- Management through Edgewater EdgeView Systems- MOS Scoring and call quality monitoring- Call statistics quality measurements and alarms- DHCP and local FTP/TFTP server- Management through Web GUI CLI and SNMP- High availability- IPv6 support