The Cisco 2951 Integrated Services Router (ISR) delivers highly secure data, voice, video, and application services for small offices. Key features include:
- 3 integrated 10/100/1000 Ethernet ports with 1 port capable of RJ-45 or SFP connectivity - 2 service module slots - 4 Enhanced High-Speed WAN Interface Card slots - 3 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 - Onboard hardware acceleration for VPN encryption - Secure collaborative communications with Group Encrypted Transport VPN, Dynamic Multipoint VPN, or Enhanced Easy VPN - 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