Does the fixed phone need no power?
A good fixed phone doesn't need batteries. It depends on the wires on the telephone line. That kind of multi-functional telephone has to be installed with batteries.
Wrong, the fixed telephone also needs the power supply, but the power supply way is uses the telephone line to provide
Fixed phones don't need power, because the phone itself is live, low power, caller ID, and no batteriesBut there are some functional telephones, because the power requirements are high, the telephone, the battery and the external power supply to achieve some functions