TDM’s central operating and dispatching terminal for the NIS platform is used to handle all the functions of the system including: emergency and information calls, GSM-R dispatching, announcements, radio calls, phone calls, text messages and public address.

With a range of terminals available, inputs can be made via the touchscreen monitor and calls can be made using a sturdy handset, a high-quality gooseneck microphone or a wireless headset.