Panasonic Cordless Phone No Dial Tone. The base units supplied ac adaptor or telephone line cord has not been connected yet or not connected properly. If you have no dial tone on your corded phone, make sure it is plugged securely into the wall phone jack.

Error messages on a telephone display. If there is still no dial tone, contact your service provider.) In cases where the dial tone is nary in panasonic models, you can start by examining the battery status.