- Seamless voice and data integration over VoIP-based network architectures- Designed for Ethernet and Multi-T1 applications- Optional eSBC functionality- Up to 8 analog POTS interfaces- Optional outbound lifeline via FXO- Compatible with industry-leading softswitches and call agents- Dynamic bandwidth allocation affords more efficient utilization- Integral full-featured business-class IP router- Stateful inspection firewall for network security- Quality of Service (QoS) for delay and jitter sensitive traffic like VoIP- Supports 802.1q Virtual LAN (VLAN) Trunking- Voice Quality Monitoring (VQM)- Network Address Translation (NAT) for IP address concealment- Feature-rich ADTRAN Operating System (AOS)- Rugged metal case- Optional battery backup