Dave Cabral posted an answer for this Panasonic KX-TG1033S Cordless Phone:
"Step 1 Press the "Menu" button followed by the "#" key on the handheld unit. Step..."
Dave Cabral posted an answer for this Panasonic KX-TG1033S Cordless Phone:
"Press and hold the "Mute" or "Clear" button until the handset beeps to clear the New Voice..."
Dave Cabral posted an answer for this Panasonic 5.8GHz Cordless Telephone:
"Hold the "clear" or "mute" button until the handset beeps. This will clear the New Voice..."