the call.
Parameters Set-up:
Push To Hang Up : Enable or Disable this function.
5.4.11. Hang Up After Open Door
This function is used to automatically hang up the call after triggering the relay.
To do so, you can do as follows:
1. Click Intercom - Basic to find Hang Up After Open Door.
2. Setup the time out value and click Submit tab to save.
Parameters set-up
Time out : Set the call hold delay timing ( Ranging from 0-15 Sec.). For
example, if you set the hold delay time as “ 5” Sec, then the call will be
delayed for 5 min after the door is unlocked.
5.4.12. Maximum Call Duration
R20B door phone allows you to set up the call time duration in receiving the
call from the calling device as the caller side might forget to hang up the
intercom device. When the call time duration is reached, the door phone will