For customers wanting to use a FAX machine, ring-u supports the Grandstream HT801 FAX adapter. This little device allows you to use your existing FAX machine with ring-u service by plugging the phone line connection into the FAX machine and the ethernet connection into your office network.
1 FXS Telephone Port
1 10/100 Mbps Ethernet Port
T.38 compliant Group 3 Fax Relay up to 14.4kpbs and autoswitch to G.711 for Fax Pass-through