... phone port ,that is to say 32 port 128 sim gsm fwt(fixed wireless terminal)32 individual ... :Windows7,Vista,XP,2003/2000,Linux,Mac...OS. 128 sim gsm FWT Parameters: Phone interface: supply RJ ... : 45VPicking current: 30mA/41mA BL-16KGDT 32 port 128 sim gsm fwt (fixed wireless terminal) Could be ... own Bulk sms software . Welcome to contact us ! 128 SIM 32 port FWT(fixed wireless terminal) ,GSM gateway ...