ITU‐T's Technical Reports and Specifications 313 Moreover, it gives the authorities real‐time segmented information based on their relevant departments (i.e., the police department, the fire department, etc.) using both cell broadcast technology as well as \"Push IP\". Figure 71 – Using integrated GIS engines By using the integrated GIS engines, it enables the authorities to deliver the messages geo‐targeted and to make it only available to the people in the need to get this information. Cell broadcast technology can deliver messages geo‐targeted to the cellular antennas at the event's location. Furthermore, it is possible to deliver the information to fix IP addresses of billboards as well as to digital televisions. The following figure shows Cell Broadcast Management software with a GIS engine that allows human operators to select specific geographic areas, to send the messages.