Integration technology of industrial communication system has established complete dispatching and command system through radio cable interphone, dispatching telephone, office telephone and video monitoring. According to the consideration of the process and productioncharacteristics and reliability, as well as the principle of telecommunication facilities mainly for production services and enhancing productivity, and ensuring communication and contact for the operator, through industrial communication system, it shall satisfy the direct communication and contact, giving the production plan by the dispatching and command center to the production posts, coordinating relations between the production post or power, transport and other external relations, enable the production command, dispatching and liaison to be more rapidly and flexible, at the same time, it shall not be influenced by the site background noise, network block, etc. The system enjoys with strong inserting, strong removing, group call, multi-party communication, audio recording and other functions, in order to assure the smooth operation of the production dispatching and command system.