Section 4 – operating instructions, 1 administrator and doorman commands & functions, 1 lobby panel on / off – DoorKing 1820 Telephone Intercom User Manual

Page 47: 2 calling the lobby panel, 3 accessing the outside phone line, 4 calling preprogrammed telephone numbers

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Section 4 – operating instructions, 1 administrator and doorman commands & functions, 1 lobby panel on / off | 2 calling the lobby panel, 3 accessing the outside phone line, 4 calling preprogrammed telephone numbers | DoorKing 1820 Telephone Intercom User Manual | Page 47 / 63