How does a telephone number change? Cordless telephone numbers remain the same
Cordless telephone is essentially a combination of full duplex radio and cable system and the logic control circuit, it can through radio waves in the medium of space electric field effectively within the implementation of the auxiliary machine and the plane between the "wireless" link. Most fully simulated cordless telephone set. Simply speaking, cordless telephone telephone body and the handle is separated into the host (machine tools) and auxiliary machine (machine) the two part, the host is connected with the user's phone line telephone network, auxiliary machine maintain communication via a radio channel with the host, not by the traditional telephone handle word limit rope.
Corded and cordless telephones for replacement, the user only needs to buy a cordless telephone equipment can be directly inserted into the telephone line signal transmission device, the transmission signal, you can use a cordless phone directly.