Features:

• Single T1 WAN interface
• Single Ethernet interface for data connectivity
• Integral DSX-1 PRI/CAS for PBX connectivity
• Feature-rich ADTRAN Operating System (AOS)
• Transparent proxy with survivability for network outages
• Stateful inspection firewall for network security
• Supports up to 12 analog FXS interfaces for legacy equipment
• Quality of Service (QoS) for delay sensitive traffic like VoIP
• Command Line Interface (CLI) mimics industry de facto standard
• Voice Quality Monitoring (VQM) for enhanced Quality of Service (QoS)
• Compatible with industry leading softswitches and call agents
• Integral full-featured IP router for data support and Internet access
• Carrier-class, cost-effective IP Business Gateway for integrated services such as VoIP