My cordless landline keeps saying 'line in use' but the phone isn't being used. I've reset the modem and it's still not working. What else can I do? - Quora
![BT Diverse 7450 Plus - Cordless Phone - Answering System with Caller ID/Call Waiting - DECT/GAP - Office Phone Shop BT Diverse 7450 Plus - Cordless Phone - Answering System with Caller ID/Call Waiting - DECT/GAP - Office Phone Shop](https://www.officephoneshop.com/wp-content/uploads/2022/04/BT-Diverse-7450-60746.jpeg)
BT Diverse 7450 Plus - Cordless Phone - Answering System with Caller ID/Call Waiting - DECT/GAP - Office Phone Shop
![Panasonic - Troubleshooting - Error Messages on a telephone display. ex Line in Use, No link, Base no power Panasonic - Troubleshooting - Error Messages on a telephone display. ex Line in Use, No link, Base no power](https://help.na.panasonic.com/wp-content/uploads/2023/02/MENU_Button_Location.png)