- 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 - Industry-leading five-year warranty