The paper briefed on the situation of safety equipment at level crossings inside stations,expounded the necessity of applying micro computer automatic notification system,put forward basic requirement for the equipment,and demonstrated the feasibility and design essentials of hardware and software,as well as the composition,major functional index and application results.

With the functions and principle of the intelligent notice system that integrates modern telecommunication techniques expounded, which involve email, short message of mobile phone and voice telephone, the emphasis of the paper is placed on the discussion about the key techniques during the design of this system, such as Jmail component, reliable group sending, and SMS code/decode.

The Communication Automation System Based on Building Premises Distribution System;