Free-standing interior station for TCS: Bus. Recessed installation on UP socket or to use for separate mounting. Accessory tastco housing with cable, additional storage space. Mounting table with separate accessories zit5000-0030. Intuitive use of main parts and additionally easy to use thanks to differentiated keys. Activatable ambiance illuminates the sound output, or as orientation lighting, configurable call display. Very large door opening Button plus Optical display, alternative to the reputed choice türruf 1 of the external station, with floor function door opening. Particularly large talk button plus Optical display, activated to talk or Shift button talk/listen while making calls, alternative to the reputed selection türruf 2 of the external station. Light button, alternative to the reputation floor selection and reputation (of) activation Ambient lighting. Function button Factory with control function, easy-to-enable alternative positioning internal reputation, automatic door opening, redirection and internal reputation selection/call with adjustable configo. Reputation power buttons for circuit reputation tonab with optical display and recording mode display and reputation redirection. Volume button to adjust the volume of reputation, if no sprechve Internet, there is and language adjustment according to existing sprechve Internet. Optical indicator and short-term storage of türrufen. Optical display busy at existing sprechve Internet. Connector for floor push button on the device. Choice of 13 ringtones, adjustable by the user. Recording Volume adjustable in 4 levels by the user. Talk Volume adjustable in 4 levels by the user. Hands-Free (Hands Free) activatable/manual talk change. Acoustic reputation distinction between 2 doors.