| 摘要 |
<p>Provided are an access control system based on a communication network (10) and a working method for the access control system based on a communication network (10). The access control system (10) comprises: an outdoor talkback terminal (30) and an indoor talkback terminal (20). The indoor talkback terminal (20) comprises a communication module (22), used to call a preset terminal number when the indoor talkback terminal (20) does not respond. Through the access control system based on a communication network (10) and the working method thereof provided by the present invention, a user can know the visiting condition anytime and anywhere and realizes real-time communication with a visitor. Therefore, the phenomenon that the communication with the visitor is missed because the user is not at home or does not answer the indoor talkback terminal (20) in time is avoided.</p> |
