... 16 Port,Quad-band,wok over the world,support 64 sim cards,IMEI number is ... FWT Gateway,GSM Gateway Call Termination. The interfaceboard of this device is 16 WAYS FWT supply a ... be chosen.Can proceed with setting up andmodification of parameters through the phone set.Bellsignal.High clear ... is changeable,you can modify theIMEI with keyboard of tel phone,every easy.Specifications:Protocol GSM mobile ...