Intercom for a residential building including: - a speaker and a microphone; - a label holder (24; 170; 190) including: • a common screen, the display surface of which can be divided into n display regions and the width of which is greater than 4 cm, these display regions being separated from one another by interstices that are at least 2 mm wide, where n is an integer greater than or equal to three; • a plurality of call buttons, each embodied by a pushbutton, which are arranged on the periphery of the screen in proximity to a respective display region of the screen, each of the pushbuttons being reversibly displaceable by a visitor's finger between a depressed position and a rest position; - a control unit programmed for: • controlling the simultaneous display, in each of the display regions, of an identifier of an apartment located inside the residential building; • in response to the displacement of one of the pushbuttons into its depressed position, triggering the establishment of a voice communication via the speaker and the microphone between a visitor present in front of the intercom and a resident located inside the apartment, the identifier of which is displayed inside the display region closest to the depressed pushbutton; - a vandal-resistant panel having a front face that is intended to be exposed directly to the outside, this panel including holes through which each of the pushbuttons passes and a through-window that is located in front of the common screen such that each display region in proximity to a pushbutton is visible from the outside to the visitor, characterized in that the window includes a grille which divides this window into at least n openings, each with a width of less than 3 cm, this grille including to this end main bars which separate the openings from one another, each main bar running solely in front of a respective interstice between two display regions. - a speaker and a microphone; - a label holder (24; 170; 190) including: • a common screen, the display surface of which can be divided into n display regions and the width of which is greater than 4 cm, these display regions being separated from one another by interstices that are at least 2 mm wide, where n is an integer greater than or equal to three; • a plurality of call buttons, each embodied by a pushbutton, which are arranged on the periphery of the screen in proximity to a respective display region of the screen, each of the pushbuttons being reversibly displaceable by a visitor's finger between a depressed position and a rest position; • a common screen, the display surface of which can be divided into n display regions and the width of which is greater than 4 cm, these display regions being separated from one another by interstices that are at least 2 mm wide, where n is an integer greater than or equal to three; • a plurality of call buttons, each embodied by a pushbutton, which are arranged on the periphery of the screen in proximity to a respective display region of the screen, each of the pushbuttons being reversibly displaceable by a visitor's finger between a depressed position and a rest position; - a control unit programmed for: • controlling the simultaneous display, in each of the display regions, of an identifier of an apartment located inside the residential building; • in response to the displacement of one of the pushbuttons into its depressed position, triggering the establishment of a voice communication via the speaker and the microphone between a visitor present in front of the intercom and a resident located inside the apartment, the identifier of which is displayed inside the display region closest to the depressed pushbutton; • controlling the simultaneous display, in each of the display regions, of an identifier of an apartment located inside the residential building; • in response to the displacement of one of the pushbuttons into its depressed position, triggering the establishment of a voice communication via the speaker and the microphone between a visitor present in front of the intercom and a resident located inside the apartment, the identifier of which is displayed inside the display region closest to the depressed pushbutton; - a vandal-resistant panel having a front face that is intended to be exposed directly to the outside, this panel including holes through which each of the pushbuttons passes and a through-window that is located in front of the common screen such that each display region in proximity to a pushbutton is visible from the outside to the visitor,