Number of acoustic call distinctions: 17, number of parallel calls: 1, number of selectable ring tones: 24, automatic call disconnection: yes, automatic hands-free operation after internal call: can be activated, busy indicator: yes, floor call possible: yes, floor door opener function: can be activated, import of individual ring tones: possible, internal call: configurable, call volume: ring tone and loudspeaker output can each be set by the user in 8 levels in the OSD menu, microphone sensitivity volume: adjustable, light switching: via OSD menu, privacy lock: yes, parallel call: configurable, call acceptance: on talk button, call display: optical and/or acoustic, ring tones: can be set via OSD menu, ring tone disconnection: in OSD menu, call forwarding: configurable, language selection: German / English, voice transmission: full duplex, automatic door opener: via OSD menu, image display/camera selection: OSD menu, image storage per door call: yes, brightness: OSD menu in 20 levels, Brightness setting: OSD menu in 20 levels, Contrast setting: OSD menu in 20 levels, Color saturation: OSD menu in 20 levels, PTZ control: via OSD menu, User interface:, User apps: e-mail, calendar and internet browser, Date display: adjustable, Weather display: adjustable, Time display: adjustable, Input operation: direct selection keys and OSD menu, Functions in the OSD menu: (de-)activation of the touch function, Programming, Load factory settings, Receive text messages: possible, Menu control: OSD menu, OSD menu: Yes, Start screen: individually configurable, Send text messages: via OSD menu, Installer interface:, Floor button connection: Yes, Ethernet connection: via cable, Operating display: OSD menu, Commissioning and configuration: manual, Password protection: Yes, Load factory settings: via OSD menu, Control:, Number of configurable control functions: 20, Home automation: central ON / central OFF, IP: Connection type: screw terminals TCS:BUS and LAN, Email sending: Organizer in the OSD menu, Ethernet: LAN and WLAN, Web interface: Web browser, Factory setting: DHCP, Camera properties:, recommended mounting height (m): 1.60, Display properties:, Display resolution: 1280 x 800, Display size (cm): 25.6, Display size (inches): 10.1, Display type: Touchscreen, color, Number of wires: 6, Information wiring: 6-wire required, 3-wire input current Ipmax (mA): 240, 3-wire idle input current Ia (mA): 0.32, 3-wire idle input current IP (mA): 78, Input voltage (V): 26 +-8%, Housing height (mm): 198, Housing width (mm): 280, Housing depth (mm): 22, Housing material: aluminum, Housing surface treatment: powder-coated, Housing color: silver, Min. permissible ambient temperature (°C): 0, Max. permissible ambient temperature (°C): 40, Housing protection class: IP30