Cisco SPA122 Small Business ATA with Router VoIP phone adapter 2 phone (FXS)
G3 gsm fax terminal 850/900/1800mhz fixed wireless terminal router for wireless fax, voice calling with lcd display | Fruugo BE
Comswitch 3500 Phone Fax Modem Router 3 Port | eBay
Cisco Unity Express VoiceMail and Auto Attendant CLI Administrator Guide - Configuring Your Cisco IOS Gateway for T.37 On-Ramp and Off-Ramp Fax Support [Cisco Unity Express] - Cisco