Method and system for messaging between public exchange telephone network terminal and immediate communication terminal

Abstract

A method for making conversation of PSTN terminal to demand communication terminal includes sending logon information to demand communication server by demand communication terminal, sending invitation information to said server by PSTN terminal through soft exchange unit, using said server to send invitation information to said communication terminal assigned by identification information, returning back invitation information to said server by said communication terminal and setting up media stream of conversation between PSTN terminal and said communication terminal. The system used for realizing said method is also disclosed.

Description

technical field [0001] The invention relates to the field of instant communication, in particular to a method and system for communicating between a public switched telephone network telephone and an instant communication terminal. Background technique [0002] Public Switched Telephone Network (PSTN, Public Switched Telephone Network) is a global voice circuit switching network. At present, all PSTNs use digital telephone networks, and their terminals include fixed phones and mobile phones. Instant messaging uses the Internet and instant messaging software for communication, and instant messaging terminals are terminals installed with instant messaging software. Both PSTN and instant messaging have a huge number of users, and the realization of calls between PSTN terminals and instant messaging terminals can bring a lot of convenience to users. [0003] Switches in the PSTN network can communicate with VOIP (Voice over IP) on the IP network through devices such as softswit...

AI Technical Summary

Problems solved by technology

However, due to the large number of online users of instant messaging terminals, millions or even tens of millions, the continuous registration makes the softswitch equipment overloaded, and it is necessary to spend money to improve the hardware configuration of the softswitch equipment

Therefore, it is difficult to use the existing equipment to complete the call method between the existing PSTN terminal and the instant messaging terminal, and necessary improvements are needed.

[0013] At present, there are still a considerable number of instant messaging terminal users who do not use the VOIP function, and these instant messaging terminals still have to continuously register with the softswitch device, resulting in a waste of equipment resources

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