Cisco 2900 Series Integrated Services Routers build on 25 years of Cisco innovation & product leadership. in addition, a new Cisco IOS Software Universal image & Services Ready Engine module enable you to decouple the deployment of hardware & software, providing a flexible technology foundation which can quickly adapt to evolving network requirements. All Cisco 2900 Series Integrated Services Routers offer embedded hardware encryption acceleration, voice- & video-capable digital signal processor (DSP) slots, optional firewall, intrusion prevention, call processing, voicemail, & application services. In addition, the platforms support the industries widest range of wired & wireless connectivity options such as T1E1, T3E3, x DSL, copper & fiber GE. The Cisco 2951 Integrated Services Router (ISR) delivers highly secure data, voice, video, & 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 (Po E) & Cisco Enhanced Po E 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, & Cisco IOS Content Filtering Identity management using authentication, authorization, & accounting (AAA), & public key infrastructure Voice High-density packet voice DSP module, optimized for voice & video support Standards-certified Voice XML browser services Cisco Unified Border Element capabilities Cisco Unity Express voicemail support. Support for Cisco Communications Manager Express & Survivable Remote Site Telephony