The phone supports both wired and wireless networks. The chassis has TF card slot, Fast Ethernet interface and PSTN interface. When the power supply is switched on, the cable telephone can be called and received through PSTN. Video and audio application software can be installed on the telephone, which can provide similar voice service and high quality video service to fixed telephone in the area covered by the network. It can be used for voice and video service of enterprises, institutions, mobile office, home and other mobile carriers. Its appearance is beautiful, durable, reliable performance and high safety.