- In elevator lobbies on each floor of East wing
- In each elevator
- C600 phones (which are not tied to the presence of a particular person) in focus rooms
- Remember to dial the area code, even for local calls
All elements of the building are subject to the most stringent safety requirements; the building has been engineered and constructed to last for hundreds of years. The placement of limestone panels and windows was designed to withstand strong winds, earthquakes, and other natural disasters.