How to fix DTMF tones heard 15 seconds after call is answered on DoorKing 1814?
- JJessica HamiltonSep 7, 2025
If you hear DTMF tones 15 seconds after a call is answered on your DoorKing Intercom System, the CALL UP feature is likely enabled. To resolve this, reprogram the feature to turn it off (refer to section 3.2.3).