Why don't cordless phones use telephone lines?
Cordless telephone can carry out, and can work with other random phone call each other cordless telephone is close by sending and receiving radio signals between fixed and mobile machine to machine communication voice, generally using narrowband FM crystal control work.
Cordless telephones are generally used in conjunction with fixed line telephones. A fixed machine is used to access the local telephone line, and the fixed machine is used as the task of relaying and forwarding
