... . Easy to install and use, it works over an IP network to connect analog phones and fax machines to a VoIP ... employees and serve customers, all on a highly secure Cisco network. Technical Specs Device Type Router Enclosure Type Desktop Connectivity ... Wired Data Link Protocol Ethernet, Fast Ethernet Network / Transport Protocol TCP/IP, PPTP, UDP/IP, L2TP, ICMP/IP, IPSec, ARP, DHCP, DNS Remote ...