... via 3G or EthernetSupports mobile extensionThe integration of WiFi/3G router and telephone system helps to reduce deployment and maintenance costSupports ... and click to transferIncoming calls DID, caller ID, call rejection, do not disturb, CRBT, call waiting, forking, call forwarding, distinctive ... Non conducing)Storage Humidity 5% ~ 90%RH (Non conducing) 3G Router with WiFi IP PBX Supported