Telephone call method and telephone terminal

A telephone call and terminal technology, which is applied in the field of communication, can solve the problems of the calling end user's telephone fee expenses, the calling end user's troubles, etc., and achieve the effect of realizing security, ensuring safety, and being convenient to use

Inactive Publication Date: 2007-03-07
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing telephone service implementation method not only brings unnecessary telephone...

Method used

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  • Telephone call method and telephone terminal
  • Telephone call method and telephone terminal
  • Telephone call method and telephone terminal

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0062] The invention provides a telephone call method, system and telephone terminal, which are used in the telephone call process. Its core idea is to add verification information in the User-User field of the SETUP message to realize the security of telephone communication and ensure the security of calls between users.

[0063] The protocol stipulates that there may be a User-User field in the SETUP message, which can be used by the calling user to transmit user information to the called user during the phone call. The User-User field is transparently transmitted in the communication network, that is, it will not be modified during the transmission process; the length of the field information is at least 3 octets, and the maximum is 35 or 131 octets.

[0064] The invention transmits the authentication information set by the calling user through the User-User field in the SETUP message, and after receiving the SETUP message, the called terminal analyzes the message, prompts ...

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PUM

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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...

Claims

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Application Information

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IPC IPC(8): H04M3/22H04M1/663H04M1/667H04M1/677
Inventor 魏东
Owner HUAWEI TECH CO LTD
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