Cell information broadcast system and method for reduced local environments, inferior to a radio cell, and applied to a cell (9) of a mobile telephone system. The system comprises for said cell (9) a base station (1), a plurality of mobile terminals (2), and at least one local cell broadcast equipment LCBE (3), which transmits local cell broadcast messages (5) to the mobile terminals (2) located within its coverage area (4) using a physical channel of the cellular system. Each LCBE (3) comprises reception means to recognize the transport configuration of the cell broadcast messages (5′) in said cell (9), configuration and content means, to determine the format and content of the local cell broadcast messages (5), and transmission means to broadcast the local cell broadcast messages (5).