Cisco 2901 Integrated Services Router (ISR) delivers highly secure data, voice, video, and application services for small offices. Key features include:
- 2 integrated 10/100/1000 Ethernet ports
- 4 enhanced high-speed WAN interface card slots
- 2 onboard digital signal processor (DSP) slots
- 1 onboard Internal Service Module 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 collaborative VPN communications
- Integrated threat control using Cisco IOS Firewall, Cisco IOS Zone-Based Firewall, Cisco IOS IPS, and Cisco IOS Content Filtering
- Identity management that uses authentication, authorization, and accounting (AAA) and public key infrastructure
- Voice
- High-density-packet voice DSP module, optimized for voice and video
- 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
