gsm fct / fwt for Telephone GSM FCT Device is a GSM to Analog Converter(single port, insert 1 sim card only), the device can produce a Telephone/Dial Tone line to allow a regular phone to be connected and u set just like a local landline(PSTN) except your calls will go out the GSM network. This device can both receive and make calls. The main application is: Connecting the RJ-11 Line to connect Ordinary telephone set for voice call; to connect PBX for call extensions. to connect alarm system for security purpose, etc. It is not a VOIP gateway, nor a GSM+VOIP gateway, It is a Fixed Wireless Terminal that produces an analog phone line . It’ supports single simcard all network .jio not support SIMCARD Operated Terminal For Voice Calling NETWORK: GSM PORT-1 Feature OF SIMCARD Based Terminal Customer can use Any GSM SIMCARD (without jio) Like Airtel ,IDEA ,Vodafone,BSNL &etc.. Plug & Play Terminal Rj -11 output To connect with Telephone, cordless phone Epabx/intercom ,Voice call Recording Logger & Voip Two Port Facility Application Area's : School, Hospital, insurance sector,Telecalling,TeleMarketing,Voice call Recording, intercom/epabx ,Remote area's & etc.. it’s only GSM FCT . Not WiFi or internet modem or 4g router. GSM FCT For Voice calling purpose by mobile simcard