- 4FXS or 2 BRI voice ports
- 4-port 10/100 Mbps managed switch
- Security features, including Cisco IOS Firewall set
- Intrusion prevention with advanced IP services
- Cisco Dynamic Multipoint VPN, Cisco GETVPN, and SSL VPN Solutions
| Model | WAN Inteface | VPN | Voice | Data Backup | 802.11n Wireless (b/g Compatible) |
|---|---|---|---|---|---|
| IAD881 | 10/100 Mbps Fast Ethernet | Up to 20 tunnels | 4 FXS or 2 BRI | - | An option on all IAD881 SKUs |
| IAD888 | G.SHDSL (Symmetrical High-Data-Rate DSL) | Up to 20 tunnels | 4 FXS or 2 BRI | ISDN | An option on all IAD888 SKUs |
