A Android Central Question Feb 1, 2019 #1 entry phone system requires a dial tone to unlock the door.
Tim1954 Q&A Team Jan 17, 2016 6,924 1 0 Visit site Feb 1, 2019 #2 Settings... Sounds and vibrations... Play tones when pressing keypad.... Or similar Upvote 0 Downvote
B. Diddy Senior Ambassador Moderator Mar 9, 2012 165,595 4,737 113 Visit site Feb 1, 2019 #3 Welcome to Android Central! Open your Phone app, tap Menu>Settings>Call Settings, and look for an option for DTMF Tones. Upvote 0 Downvote
Welcome to Android Central! Open your Phone app, tap Menu>Settings>Call Settings, and look for an option for DTMF Tones.