Which wires are used for telephone?
Most telephone wire are one or more twisted pairs of copper wire. The most common type is the 4-strand (2 twisted pair). This consists of red and green wires, which makes a pair, and yellow and black wires, which makes the other pair.
How do I get the dial tone back on my home phone?
Make sure the phone cord is plugged into the correct port on your phone or device. Unplug the phone or device from the wall jack. Plug your phone or device into another wall jack that you know is working. If the dial tone returns it means the previous wall jack is damaged or defective.
Why does my cordless phone have no dial tone?
If you have no dial tone on your cordless phone, check the battery and charge it if its low. Make sure your cordless phones base unit is plugged into a working electrical outlet. Also make sure the phone cord is plugged securely into the wall phone jack.