Key features:

• 2 integrated 10/100/1000 Ethernet ports
• 2 enhanced High-Speed WAN Interface Card slots that can host 2 single wide or 1 double wide and 1 single wide (e)HWIC
• 1 Internal Services Module slot
• Fully integrated power distribution to modules supporting 802.3af Power over Ethernet (PoE) and Cisco Enhanced PoE

• Embedded hardware-accelerated 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 that uses authentication, authorization, and accounting (AAA), and public key infrastructure

• 3 Integrated 10/100/1000 Ethernet ports with 1 port capable of RJ-45 or SFP connectivity
• 1 service module slot
• 4 Enhanced High-Speed WAN Interface Card (EHWIC) slots
• 3 onboard digital signal processor 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

• Embedded hardware-accelerated 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: Intelligently protecting endpoints using authentication, authorization, and accounting (AAA), and public key infrastructure

• 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