Chosen Solution

press Talk. The handset don’t hear a dial tone,

@yuhuei , Rick , If you have more then one Uniden Dect 6.0 phone and charge station, the one phone may of lost it’s syncing to the home charge station. Hang the phone up on the home/main charge base and then try phone. Link to your manual below. Good luck. I hope this helped you out, if so let me know by pressing the helpful button. https://www.manualslib.com/manual/604675