Telephone call method and telephone terminal

Abstract

This invention discloses phone call method, system and terminal in call process, wherein the method comprises the following steps: main call end sends call establishing information with validation information; the called end receives call establishing information to get the information with validation information to indicate user input validation information; the called validation user tests user input validation information and establishing information to send connection information of main call end. This invention also discloses one phone terminal.

Description

technical field [0001] The invention relates to the communication field, in particular to a method for calling a telephone and a telephone terminal. Background technique [0002] The telephone service is a basic telecommunication service. Through ordinary telephone services, real-time two-way voice conversations between users can be realized. [0003] Please refer to FIG. 1 , which is a flow chart of a telephone call in the prior art, which simply illustrates a process in which two users communicate via telephone and establish a connection. [0004] (1) The calling end sends a SETUP message (call setup message) to the CN (Core Network core network), and the SETUP message carries the called user number and the bearer capacity of the call. [0005] (2) The CN sends the SETUP message to the called end, which contains the bearer capacity of the call. [0006] (3) When the called terminal answers, the called terminal sends a CONNECT message (connection message) to the CN. [0...

AI Technical Summary

Problems solved by technology

The existing telephone service implementation method not only brings unnecessary telephone charges to the calling end user, but also may bring unnecessary trouble to the calling end user

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