The Cisco 2911 Integrated Services Router (ISR) delivers highly secure data, voice, video, and application service. Key features include:
3 integrated 10/100/1000 Ethernet ports (RJ-45 only)
1 service module slot
4 enhanced high-speed WAN interface card slots
2 onboard digital signal processor (DSP) slots
1 Internal Service Module slot for application services
Fully integrated power distribution to modules supporting 802.3af Power over Ethernet (PoE) and Cisco Enhanced PoE
Security
Embedded hardware-accelerated VPN encryption for secure connectivity and collaborative communications Integrated threat control using Cisco IOS Firewall, Cisco IOS Zone-Based Firewall, Cisco IOS IPS, and Cisco IOS Content Filtering
Identity management using authentication, authorization, and accounting (AAA) and public key infrastructure
Voice
High-density-packet voice DSP module, optimized for voice and video support
Standards-certified VoiceXML browser services
Cisco Unified Border Element capabilities
Cisco Unity Express voicemail support
Support for Cisco Communications Manager Express and Survivable Remote Site Telephony
- See more at: http://network-guarantee.co.uk/network/products-page/cisco-router/cisco-2900-series/cisco-routers-cisco-2911/#sthash.1ZWcAnZv.dpuf