2 integrated 10/100/1000 Ethernet ports
4 enhanced high
-speed WAN interface card slots
2 onboard digital signal processor (DSP) slots
1 onboard Internal Service Module for application services
Fully integrated power distribution to modules supporting
802.3af Power over Ethernet (PoE) and Cisco Enhanced PoE
SecurityEmbedded hardware
-accelerated VPN encryption for secure collaborative VPN communications
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
VoiceHigh
-density
-packet voice DSP module, optimized for voice and video
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