When your AT&T landline phone displays 'line in use' without a dial tone, first check the handset connection and replace batteries if cordless. Inspect the phone line for damage or loose wiring at the …

In conclusion, dealing with a landline phone that says “line in use” when it isn’t can be a frustrating experience, but by following the DIY solutions provided, understanding the trends in landline …

Experiencing 'line in use' issues with your AT&T CL2909? Discover expert answers and solutions to resolve your phone problems quickly. Get help now!

Any links between cordless phones and other devices can easily cause “ line in use ” trouble. If your cordless phone is connected to anything of that sort, try disconnecting them.

Sep 25, 2025 · Most likely, your phone company will make you switch to an internet-based phone service. Final Thoughts Having a home phone that's not working can be frustrating, especially if you …

2 days ago · We suggest using a corded phone for this test. If you use a cordless phone, make sure it’s connected to an electrical outlet and the batteries are fully charged. Also, the cord between the …

Cordless phones may not be as ever-present as before our modern cell phones, but some households still use them in 2022. If you still have a landline, a cordless telephone provides a convenient backup …

Use a screwdriver to remove the screw holding the front cover in place. If your box has two access panels, you should open the side that is held closed with a regular screw. (The other side is for …