32 Port GSM GPRS Wireless Fixed Terminal,Support 128 sim cards,connect 32 telphone,IMEI is changeable by keyboard at any time Hotspot Gateway,32 Ports 128 SIM Cards GSM FWT Gateway,GSM Gateway Call Termination.The interface board of this device is 32 WAYS FWT supply a clear bond between standard phone or a VOIP GATEWAY or A PBX and GSM Cell Network it possesses the function of the emulation phone ...