Building intercom system based on TCP/IP

The invention provides a building intercom system based on TCP/IP, and the system comprises a management machine, an entrance machine, an indoor unit, and a monitoring device. The management machine outputs a first control signal to the entrance machine, and the indoor unit outputs a second control signal to the entrance machine. The entrance machine transmits a visit signal to the management machine and/or the indoor unit. The monitoring device transmits a monitoring signal to the management machine. The indoor unit comprises an elevator control device, and the elevator control device outputs a control signal to an elevator. The system carries out signal transmission through a TCP/IP network system. The system can bring convenience to a manger for managing a building, improves the safety factor of the building, and provides more convenient operation for the going-out of residents. 本发明提供种基于TCP/IP的楼宇对讲系统，包括管理机、门口机、室内机以及监控装置；管理机输出第控制信号至门口机，室内机输出第二控制信号至门口机，门口机发送来访信号至管理机和/或室内机；监控装置发送监控信号至管理机；其中，室内机包括电梯控制装置，电梯控制装置