Seamless voice and data integration over VoIP based network architectures Up to 24 analog POTS interfaces DSX-1 for PBX connectivity Compatible with industry leading soft switches and call agents Dynamic bandwidth allocation enables more efficient bandwidth utilization Standardized G.729a voice compression requires less bandwidth per voice call Integral full-featured IP router for data support and Internet access Stateful inspection firewall for network security Quality of Service (QoS) for delay sensitive traffic like VoIP Command Line Interface (CLI) mimics industry de facto standard Network Address Translation (NAT) for IP Address Concealment Feature-rich ADTRAN Operating System (AOS)