User Guide

4.6. Unlock codesettings
IT82A(869) use IT82A(869) support to unlock local door
lock(Trigger the internal relay) or remote unlock during the call.
①Press this icon to enter unlock code settings interface.
② ③ Configure the unlock type. Softkey means Open Lobby
icon which will show during the call. Hardware Key
means Unlock button .
DTMF: Remote unlock via using DTMF code.
Relay: Unlock the local door lock.
Auto: The type for Softkey is DTMF, for Hardware Key is
Relay.
④ If you configure the unlock type to be DTMF, the default
DTMF code is #. You can change the DTMF code, it can be 1
digit or multi-digits.