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DTMF information sending and receiving method and sending and receiving device

A technology for dual-tone multi-frequency and information transmission, which is applied in the field of receiving device, receiving method and transmission, and dual-tone and multi-frequency information transmission, and can solve the problems of prolonging number recognition time and the like

Active Publication Date: 2019-08-27
TCL CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a dual-tone multi-frequency information sending and receiving method and sending and receiving device, aiming at solving the problem that the existing method needs to re-identify the number input by the user when the user enters a wrong number halfway, thereby prolonging the number The problem of identifying time

Method used

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  • DTMF information sending and receiving method and sending and receiving device
  • DTMF information sending and receiving method and sending and receiving device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] figure 1 It shows a flow chart of a method for sending dual-tone multi-frequency information provided by the first embodiment of the present invention, and the details are as follows:

[0028] Step S11 , after the call is established with the receiving end, when the number key is pressed, the corresponding DTMF information is sent to the receiving end.

[0029] In this step, each number key corresponds to a DTMF message, and each DTMF message includes a high-frequency signal and a low-frequency signal. For example, assuming that the high-frequency signal corresponding to "1" is "1209" and the low-frequency signal is "697", when the user presses the number button "1", the DTMF information sent by the number button "1" is: 697 / 1209.

[0030] Step S12, when the delete button is pressed, generate deletion information, and send the deletion information to the receiving end, so that the receiving end modifies the received DTMF information according to the deletion informat...

Embodiment 2

[0042] figure 2 It shows a flow chart of a dual-tone multi-frequency information receiving method provided by the second embodiment of the present invention, which is described in detail as follows:

[0043] Step S21, after establishing a call with the sending end, receiving the DTMF information sent by the sending end.

[0044] In this step, the DTMF information received by the receiving end includes a high-frequency signal and a low-frequency signal, and each DTMF information corresponds to a preset character. For example, the character corresponding to the DTMF information composed of the high-frequency signal "1209" and the low-frequency signal "770" can be set as "4".

[0045] Step S22, when the DTMF information includes DTMF information as a deletion instruction, modify the received DTMF information according to the deletion instruction.

[0046] In this step, modifying the received DTMF information according to the deletion instruction includes deleting the last rece...

Embodiment 3

[0059] image 3 It shows a structural diagram of a device for sending dual tone multifrequency information provided by the third embodiment of the present invention. The device for sending dual tone multifrequency information can be applied in a terminal, and the terminal can include a radio access network RAN ​​and a or a plurality of core network communication user equipment, the user equipment can be a mobile phone (or called "cellular" phone), a computer with a mobile device, etc., for example, the user equipment can also be portable, pocket, hand-held, A mobile device built into a computer or mounted on a vehicle that exchanges voice and / or data with a wireless access network. For another example, the mobile device may include a smart phone, a tablet computer, a personal digital assistant PDA, a sales terminal POS, or a vehicle-mounted computer. For ease of description, only parts related to the embodiments of the present invention are shown.

[0060] The DTMF informati...

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Abstract

The invention is applied to the field of communication, and provides a dual-tone multi-frequency information sending and receiving method and device. The sending method comprises the following steps of: after establishing communication with a receiving end, sending corresponding dual-tone multi-frequency information to the receiving end when a number key is pressed; and generating deletion information when a deletion key is pressed, and sending the deletion information to the receiving end, so that the receiving end modifies the received dual-tone multi-frequency information according to the deletion information. By means of the embodiment of the invention, the information sending efficiency is increased.

Description

technical field [0001] The embodiments of the present invention belong to the field of communication, and in particular relate to a dual tone multi-frequency information sending and receiving method and a sending and receiving device. Background technique [0002] Dual Tone Multi Frequency (DTMF) consists of a high frequency group and a low frequency group. The high frequency group and the low frequency group each contain 4 frequencies. A high frequency signal and a low frequency signal are superimposed to form a combined signal. [0003] At present, DTMF is commonly used for information exchange. For example, a combined signal formed by superimposing each high-frequency signal and a low-frequency signal represents a number, which is used to send signaling corresponding to the called number. [0004] The existing DTMF information transmission method usually sends the DTMF combined signal corresponding to the key according to the user's key. For example, the key "1" correspon...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04M1/26
Inventor 赵玲玲
Owner TCL CORPORATION