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; Optional integrated call processing and voice mail support; High-density interfaces for a wide range of connectivity requirements; And sufficient performance and slot density for future network expansion requirements and advanced applications.