Allstar Link is Not Registering DTMF Tones By Ham Radio Dude on Dude Tested First published February 16, 2020 10:37 4,365 views Projects & how-tos ▶ Watch on YouTube Subscribe to Dude Tested About this video This guide will walk you through one solution to DTMF Issues within Allstar Nodes. Try this if you are having trouble using your Keypad to connect to Allstar Nodes!