The devicewas designed for use in any Bibus V.o.p. system comprising door phones with handset on riser column.
The product is provided with adjustable volume (Loud-Soft-Mute) and mechanical mute indicator, main door opening button, “Audio” button with blue light and two supplementary function buttons for calling the concierge switchboard and for activating a second function, such as: secondary door opening or staircase light switch.
The full duplex conversation is hands-free. After receiving the call, simply press the “Audio” button to speak. Press the button again to end the conversation