Fixed-line telephone extension method and system

Abstract

The invention provides a fixed-line telephone extension method and system. The system comprises a server, a plurality of auxiliary devices which are connected with a plurality of fixed-line telephones in a one-to-one correspondent manner and are connected with the server through a telephone subnet, a plurality of LED lamps which are connected with the server through an LED subnet and a plurality of user terminals which are connected with the LED lamps through visible light communication. The method comprises: the auxiliary devices detect incoming calls of the fixed-line telephones, generate incoming information and contents into a message and report the message to the server; after receiving the message, the server stores the message and broadcasts the incoming information to the user terminals on an application occasion in a visible light form through the LED subnet and the LED lamps; after receiving a listening request fed back by the user terminal, the server dispatches a corresponding incoming call content and sends the incoming call content to the user terminal in the visible light form through the LED subnet and particular LED lamps; and the user terminal broadcasts the incoming call content. The method and the system can be used for achieving mobile communication on occasions where mobile phones 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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