Cisco 3925E Integrated Services Router Enabling Borderless Networks at the Branch Cisco 3925E Integrated Services Routers (ISR) deliver highly secure data, voice, video, and application services to large branch offices. Cisco 3925E features include: - Modular Services Performance Engine (SPE) 200 for even higher performance as WAN environments evolve; - 4 integrated 10/100/1000 Ethernet ports with 2 SFP ports; - 2 service module slots; - 3 Enhanced High-Speed WAN Interface Card (EHWIC) slots; - 3 onboard digital signal processor (DSP) slots. Power - Dual integrated power supplies; - Fully integrated power distribution to modules supporting 802.3af Power over Ethernet (PoE); - A universal IOS image helps you deploy new IOS services quickly. Security - Embedded hardware-accelerated VPN encryption for secure collaboration; - Integrated threat control using Cisco IOS Firewall, Zone-Based Firewall, IPS, and Content Filtering; - Identity management using authentication, authorization, and accounting (AAA) and public key infrastructure; Unified Communications - High-density packet voice DSP module, optimized for voice and video support; - Standards-certified VoiceXML browser services; - Cisco Unified Border Element capabilities for up to 2000 sessions; - Support for Cisco Unity Express voicemail, Cisco Communications Manager Express, and Survivable Remote Site Telephony.