The Cisco 3945 Integrated Services Router (ISR) delivers highly secure data, voice, video, and application services to the small office. Key features include:



- Modular Services Performance Engine (SPE) 150, which can be upgraded for even higher performance as next-generation WAN environments evolve

- 3 integrated 10/100/1000 Ethernet ports with 2 ports capable of RJ-45 or SFP connectivity

- 4 service module slots

- 4 Enhanced High-Speed WAN Interface Card slots

- 4 onboard digital signal processor (DSP) slots

- 1 Internal Services Module slot

- Dual integrated power supplies

- Fully integrated power distribution to modules supporting 802.3af Power over Ethernet



Security



- Embedded hardware-accelerated VPN encryption for secure connectivity

- 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



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 1000 sessions

- Cisco Unity Express voicemail support

- Support for Cisco Communications Manager Express and Survivable Remote Site Telephony