Fanvil H4W Wi-Fi Phone with 5 programmable softkeys; 2 SIP lines, SIP hotspot; Unique customized faceplate; Supporting custom hotel service numbers and icons; Customizable softkeys’ icons and hotel service numbers; USB-A interface charging, no need for additional converters; High Interoperability - Compatible with major platforms: 3CX, Broadsoft, Elastix, Asterisk, Xorcom, etc.