Connecting door phone controller to standard, Telephone equipment, Telephone system – AT&T Door Phone Controller User Manual

Page 51: At&t door phone controller back panel, 4 installation - dedicated trunk port

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Connecting door phone controller to standard, Telephone equipment, Telephone system | At&t door phone controller back panel, 4 installation - dedicated trunk port | AT&T Door Phone Controller User Manual | Page 51 / 98 Connecting door phone controller to standard, Telephone equipment, Telephone system | At&t door phone controller back panel, 4 installation - dedicated trunk port | AT&T Door Phone Controller User Manual | Page 51 / 98
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