The Cisco 2800 series of integrated services routers intelligently embed data, security, voice, and wireless services into a single, resilient system for fast, scalable delivery of mission-critical business applications. The unique integrated systems architecture of the Cisco 2800 series delivers maximum business agility and investment protection.The Cisco 2800 series features the ability to deliver multiple high-quality simultaneous services at wire speed up to multiple T1/E1/xDSL connections. The routers offer embedded encryption acceleration and on the motherboard voice digital-signal-processor (DSP) slots; intrusion prevention system (IPS) and firewall functions; high-density interfaces for a wide range of wired and wireless connectivity requirements; and sufficient performance and slot density for future network expansion requirements and advanced applications.The 2821 VSEC Bundle includes 32-channel high-density packet voice/fax DSP module (PVDM2-32).