Fixed telephone extension method and system

Abstract

A fixed telephone extension method and system, the system includes: a server, a number of auxiliary devices connected to a number of fixed phones in one-to-one correspondence and connected to the server through a telephone subnet, a number of LED lights connected to the server through an LED subnet, and The LED lights are connected to several user terminals through visible light communication. The method includes: the auxiliary device detects the incoming call of the fixed telephone, and uploads the incoming call information and content to the server by generating a message; after the server receives the message, stores it, and transmits the message to the user terminal in the application site in the form of visible light through the LED subnet and LED lights Broadcast incoming call information; when the server receives the listening request fed back by the user terminal, call out the corresponding incoming call content, and send it to the user terminal in the form of visible light through the LED subnet and specific LED lights; and the user terminal plays the incoming call content. The method and system can realize mobile communication in the occasion where the mobile phone cannot be used.

Description

technical field [0001] The invention relates to the field of communication and telephone, in particular to a method and system for extending a fixed telephone. Background technique [0002] At present, in many units and applications involving security and confidentiality, the use of mobile phones is strictly restricted. Many departments require that the use of mobile phones is prohibited during working hours. Staff must hand in their mobile phones when they enter the workplace and get them back when they leave. Although such an approach is conducive to the smooth implementation of the security and confidentiality regulations, it has brought great trouble to the actual work. There is a general feeling that people lose touch with the outside world once they enter the workplace. Although the fixed phones in the office can still be used, the nature of flexible work determines that people often have to leave the fixed phone to complete work tasks, such as meetings, discussions...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a fixed telephone extension method and system to solve the technical problem that it is difficult to make mobile contact in places where mobile phones cannot be used in safe and confidential places, underground workplaces, etc.

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