Enabling Borderless Networks at the Branch
The Cisco 2911 Integrated Services Router delivers highly secure data, voice, video, and application service. Key features include:

- 3 integrated 10/100/1000 Ethernet ports;
- 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.