15.100.650   Call buttons and telephones.
   Automatic passenger elevators shall have call and car operation buttons within forty-eight (48) inches of the floor. Emergency telephones shall be within forty-eight (48) inches of the floor. The following shall be clearly posted in each car:
   A.   Address of building;
   B.   Car number. (Prior code §§ 9.28.1264, 15.14.1403)