The Cisco IAD 880 series integrated access devices are cost-effective fixed configuration customer premises equipment for service providers offering managed voice and data services. The Cisco IAD 880 series offers cost-effective platforms for providing interconnect solutions for accelerating the migration from time-division multiplexing (TDM) to voice over IP (VoIP). The Cisco IAD 880 series provides secure concurrent services, including firewall, content filtering, VPNs, and WLANs, at broadband speeds to small offices. The Cisco IAD 880 series includes fixed-configuration platforms with voice ports, WAN uplinks, embedded encryption acceleration, voice digital-signal-processor (DSP) slots on the motherboard, and intrusion-prevention-system (IPS) and IP Security (IPsec) features while maintaining a desktop form factor for space-saving service provider managed services deployments.The Cisco IAD 880 series architecture is designed specifically to meet the expanding requirements of service providers providing managed services to commercial offices and small and medium-sized businesses for today's and future applications. The Cisco IAD 880 series offers DSL connectivity options combined with leading-edge availability and reliability features.