What's the matter with the landline not ringing?

The reason why the landline phone can't be dialed out:

1, this landline number is in arrears or down.

The telephone lines of this landline are mixed.

3. If it's a phone call on a bare cat, there may be a problem with the voice port of the bare cat, or the voice data on the operator side is misconfigured.

4, the phone itself.

Fixed telephone, commonly known as landline, refers to the telephone fixed in a certain position, which is different from mobile phone (mobile phone) and is mostly used in enterprises. Fixed telephone is one of the important modern communication means. The current and voltage on the telephone line are modulated by the microphone in the telephone through the vibration of sound, that is, the sound is converted into a voltage signal and transmitted to the other end of the telephone through the telephone line, and then the voltage signal is converted into a sound signal by the microphone. Because it is usually fixed in one place, the scientific name is fixed telephone, which is also commonly known as telephone landline. There are several kinds of this kind of telephone, such as fax telephone, mother-child telephone and so on. A simple telephone loop includes a receiver and a transmitter, a power supply and a line, all of which are connected in series. In fact, the fixed telephone should also include ringing line, dialing loop and caller ID function, and the telephone should also cooperate with the exchange of the telecommunication bureau to complete the dialing work. Now the fixed line doesn't need so much trouble, just pick up the receiver and dial.

Hope to adopt!