KR100466863B1 - Method and System for Providing Voice Modification Service for use in a Telecommunication Network - Google Patents

Abstract

The present invention relates to a voice modulated call system and method for modulating the voice of a calling wireless or wired terminal to provide to a called wireless or wired terminal. The system of the present invention includes: a calling party wireless or wired terminal requesting a voice modulated call service; A voice modulation service server connected to the Internet and modulating the voice of the calling wireless or wired terminal according to the voice modulation call service request and transmitting the voice through the internet; A called party wireless or wired terminal that receives modulated voice of the calling party wireless or wired terminal; The voice modulation call service request of the originating wired terminal is transmitted to the voice modulation service server through the internet, and the modulated voice of the originating wireless or wired terminal transmitted through the internet is transmitted through the formed call path. A public switched network for transmitting to the called party's wired terminal; And transmits the voice modulated call service request of the calling party wireless terminal to the voice modulation service server through the Internet, and modulates voice of the calling party wireless or wired terminal delivered through the Internet to the called party wireless terminal. It characterized in that it comprises a wireless communication network to transmit.

Description

Method and system for voice modulation using wired / wireless communication network {Method and System for Providing Voice Modification Service for use in a Telecommunication Network}

The present invention relates to a voice modulation system and method for modulating telephone voice. More particularly, the present invention relates to a voice modulation system and a method for modulating a voice of a user input from a wireless or wired terminal of a calling party, and modulates the voice of the user. The present invention relates to a voice modulation system and a method provided to a terminal.

At present, calls using a telephone terminal are actually made by their parties. In recent years, in addition to the simple call function of a telephone, a voice modulation device is used together. Since the voice modulation device changes the user's own voice and transmits it to the other party, the voices of friends or family members may not be recognized without listening carefully. These modulators are also showing devices with bizarre features that change the voice of a man into a female or vice versa, or make a monster, alien voice, or sound like there are people around. In addition, when talking on the phone with a friend or lover, you can change your voice to a famous celebrity voice. In this case, it may be startling from the other's point of view, but it may also cause interest to the other.

Existing voice modulation device is a built-in or external type to be connected to the inside of the wired or wireless telephone terminal, and the voice modulation device modulates the voice of the user of the wired or wireless terminal, and is transmitted to the other party through the communication network have.

However, when the built-in voice modulator is mounted on a wired or wireless terminal, the volume and weight of the terminal are increased, and the price of the terminal is increased, thereby increasing the burden on the user. In the case of an external voice modulation device, since the external device is used only when necessary to be mounted outside the wired or wireless terminal, there is no disadvantage of increasing the volume of the terminal, but there is a problem in that it is inconvenient to carry.

In addition, the conventional voice modulation device used for a wired or wireless terminal has a disadvantage that there are not many types of modulated voice provided by itself.

Therefore, it is an object of the present invention to provide a voice modulated call service system and method for receiving a voice modulated call service without being mounted on a user's terminal or carried separately.

1 is a schematic block diagram of a voice modulation call service system according to the present invention;

2 is a block diagram of the voice modulation service server shown in FIG. 1;

3A is a flowchart illustrating an operation performed at a calling party wireless terminal;

3B is a flowchart illustrating an operation performed in a wireless communication network and a voice modulation service server;

4A to 4D are diagrams illustrating a message provided to an originating wireless terminal in a voice modulation service server;

5 is a schematic block diagram of a voice modulation call service system according to another embodiment of the present invention.

<Brief description of symbols for the main parts of the drawings>

102: calling party wireless terminal 104: wireless communication network

106: called party wireless terminal 108: PDSN

112: voice modulation service server 120: source base station

122: originating base station controller 124: mobile communication switching center

126: called base station controller 128: called base station

222: sampling unit 224: Fourier transform unit

226: frequency converter 228: inverse Fourier converter

230: conversion parameter storage unit 232: control unit

502: calling party wired terminal 508: called party wired terminal

According to the present invention for achieving the above object, a voice modulated call service system for modulating the voice of the telephone caller so that it is difficult to identify who is voice, the call-side wireless terminal for requesting voice modulated call service; A voice modulation service server connected to the Internet and modulating the voice input from the calling party's wireless terminal according to the voice modulation call service request of the calling party's wireless terminal to deliver the modulated voice to the Internet; A called party wireless terminal which receives modulated voice of the calling party wireless terminal; The voice modulation call service request of the calling party wireless terminal is transmitted to the voice modulation service server, a call path is formed between the calling party wireless terminal and the called party wireless terminal, and the voice modulation service is established through the formed call path. A wireless communication network transmitting the modulated voice of the calling party's wireless terminal transmitted from a server to the Internet to the called party's communication terminal; And gateway means for interworking the wireless communication network with the Internet.

According to another embodiment of the present invention, a voice modulated call service system for modulating a voice of a telephone caller to be difficult to identify whose voice includes: a calling party wired terminal requesting a voice modulated call service; A voice modulation service server connected to the Internet and modulating the voice inputted from the calling wired terminal according to the voice modulation call service request of the calling wired terminal to deliver the modulated voice to the Internet; A called party's wired terminal that receives modulated voice of the calling party's wired terminal; And transmits the voice modulation call service request of the calling wired terminal to the voice modulation service server through the Internet, forms a call path between the calling wired terminal and the called wired terminal, and establishes the formed call path. And a calling side public switching network for delivering the voice of the calling side wired terminal transmitted from the voice modulation service server to the Internet to the called side wired terminal.

According to another embodiment of the present invention, a voice modulated call service system for modulating a voice of a telephone caller to be difficult to identify whose voice comprises: a calling party wireless terminal or a calling party wired terminal requesting a voice modulation call service; Connected to the Internet, and modulates the voice input from the calling party's wireless terminal or the calling party's wired terminal according to the voice modulation call service request transmitted from the calling party's wireless terminal or the calling party's wired terminal, A voice modulation service server for transmitting; A called party's wireless terminal or a called party's wired terminal that receives modulated voice of the calling party's wireless terminal or the calling party's wired terminal; The voice modulation call service request of the calling wired terminal is transmitted to the voice modulation service server through the Internet, and between the calling wireless terminal or the calling wired terminal and the called wireless terminal or the called wired terminal. A public switching network that forms a communication path and delivers the modulated voice of the calling party's wired terminal or the calling party's wireless terminal transmitted from the voice modulation service server through the Internet to the called party's wired terminal. ; And transmits the voice modulation call service request of the calling party wireless terminal to the voice modulation service server through the Internet, and sends the calling party wireless terminal or the calling party wired terminal and the called party wireless terminal or the called party wired terminal. A radio channel for transmitting a modulated voice of the calling party wireless terminal or the calling party wired terminal transmitted from the voice modulation service server through the Internet to the called party wireless terminal through the formed communication path; It characterized in that it comprises a communication network.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail as follows.

1 is a schematic block diagram of a voice modulated telephony service system according to the present invention.

Voice modulation call service system of the present invention is the source wireless terminal 102, the wireless communication network 104, the destination wireless terminal 106 and the Packet Data Servicing Node (PDSN) 108, the Internet 110 And voice modulation service server 112.

The calling party wireless terminal 102 can perform a wireless call with the called party wireless terminal 106 using the wireless communication network 104 and through the packet data service node 108 using the wireless application protocol (WAP). May be connected to the Internet 110. In the present invention, the calling party wireless terminal 102 transmits a signal for requesting a voice modulation call service to the voice modulation service server 112 connected to the Internet 110 through the wireless communication network 106, and requests for voice modulation call service. The modulated voice serviced by the voice modulation service server 112 is transmitted to the called party's wireless terminal 106 through the wireless communication network 104.

Similarly, the called party's wireless terminal 106 has a function of performing a wireless call with the calling party's wireless terminal 102 and connecting to the Internet through the wireless communication network 104. The destination wireless terminal 106 receives the modulated voice transmitted from the destination wireless terminal 106.

The wireless communication network 104 basically functions to form a communication path between the calling party's wireless terminal 102 and the called party's wireless terminal 106, and the calling base station 120, the calling base station controller 122, and the mobile station. Communication switching center 124, called base station controller 126, and called base station 128;

The calling base station 120 and the called base station 128 identify the location of the plurality of wireless terminals including the calling party wireless terminal 102 and the called party wireless terminal 106, respectively, and the calling party wireless terminal 102; And a function of transmitting and receiving voice signals between the called party wireless terminal 106 and matching with the calling base station controller 122 and the called base station controller 126, respectively. In particular, the calling base station 120 receives a voice modulation call service request from the calling radio terminal 102 through an access channel of the signal channel, and transmits the received voice modulation call service request to the calling base station controller ( 122).

The calling base station controller 122 and the called base station controller 126 control the calling base station 120 and the called base station 128, respectively, and the incoming and outgoing calls of the calling base station 120 and the called base station 128 are controlled. It performs various call processing functions such as processing support and message processing. In the present invention, the source base station controller 122 transmits the voice modulated call service request received through the source base station 120 to the voice modulation service server 112 via the packet data service node 108 and the Internet 110. To pass.

A mobile switching center (MSC) 124 forms a communication path between a plurality of wireless terminals, including a calling party wireless terminal 102 and a called party wireless terminal 106, in accordance with a mobile communication service. Overall control of call processing and call processing. The mobile communication switching center 124 transmits the voice of the calling radio terminal 102, which is modulated by the voice modulation service server 112, to the called base station controller 126.

The called party base station controller 126 provides the called party wireless terminal 106 via the called base station 128 the modulated voice of the calling party wireless terminal 102 delivered from the mobile communication switching center 124.

The packet data service node 108 is a core component of the DCN (Data Core Network), which is a system for providing packet data services to mobile subscribers. It serves as a gateway for interworking with the voice modulation service server 112 connected to the Internet 110.

The voice modulation service server 112 includes a voice modulation device described with reference to FIG. 2 and is connected to the originating wireless terminal 102 through the packet data service node 108 and the Internet 110. The voice modulation service server 112 receives a voice modulated call service request from the calling party's wireless terminal 102 and sends the calling party's wireless terminal 102 a type of modulated voice such as a male voice, a female voice, a celebrity voice, The called party who provides helium gas drank voice, echo voice, hoarse voice, bold voice, thin voice, Zolaman voice, etc. appearing in flash animation, to be selected by the calling party's wireless terminal 102, and to transmit a modulated voice. Enter your phone number. The voice modulation service server 112 transmits the called party's telephone number input from the calling party's wireless terminal 102, that is, the telephone number of the called party's wireless terminal 106, to the calling party's base station controller 122. In addition, the voice modulation service server 112 modulates the voice of the calling party's wireless terminal 102 according to the type of modulated voice selected by the calling party's wireless terminal 102. The voice of the originating wireless terminal 102 modulated by the voice modulation service server 112 is transmitted to the mobile communication switching center 124 through the calling base station controller 122, and the mobile telephone switching center 124 calls the calling telephone. It is transmitted to the called party wireless terminal 106 via the call path formed by the number.

2 shows a detailed configuration of the voice modulation service server 112.

The voice modulation service server 112 includes a web server 210 and a voice modulation device 220.

The web server 210 receives a voice modulated call service request received from the calling party's wireless terminal 102 through a WAP gateway (not shown), and provides various types of modulated voices to the calling party's wireless terminal 102, The user of the calling party's wireless terminal 102 selects the desired modulated voice. In addition, the web server 210 transmits the type of modulated voice selected by the calling party wireless terminal 102 to the voice modulator 220 so that the voice input from the calling party wireless terminal 102 is modulated into a corresponding modulated voice. do.

The voice modulator 220 includes a sampling unit 222, a Fourier transform unit (FFT) 224, a frequency converter unit 226, an inverse fast Fourier transform unit (IFFT) 228, The conversion parameter storage unit 230 and the control unit 232 is included.

The sampling unit 222 samples the voice signal provided from the source wireless terminal 102 through the web server 210 and converts the voice signal into a discontinuous voice signal.

The Fourier transformer 224 converts the discontinuous speech signal converted by the sampling unit 222 into the speech signal in the frequency domain.

The frequency converter 226 may perform voice modulation through a process of changing an amplitude or a spectrum distribution for each voice band of the voice signal in the frequency domain converted by the Fourier transformer 224.

The inverse Fourier transformer 228 converts the voice signal modulated by the frequency converter 226 back into a discontinuous voice signal. The discontinuous speech signal converted by the inverse Fourier transform unit 228 is a voice signal in which a tone and spectral distribution are modulated, not the original speech signal.

The conversion parameter storage unit 230 has a plurality of conversion parameters indicating the degree of conversion of amplitude and spectrum distribution for each frequency band required by the frequency conversion unit 226. Each parameter is used by the frequency converter 226 for various types of modulated voices, namely male voices, female voices, helium gas drank voices, echo voices, hoarse voices, bold voices, thin voices, and drawman voices appearing in flash animations. Used to generate

The control unit 232 retrieves the conversion parameter corresponding to the type of modulated voice selected from the source wireless terminal 102 in the conversion parameter storage unit 210, and provides the retrieved conversion parameter to the frequency conversion unit 226 to provide the source side. The voice input from the wireless terminal 102 is modulated into the corresponding voice.

The operation of the voice modulation system of the present invention having the above-described configuration will be described with reference to the flowcharts of FIGS. 3A and 3B.

3A shows a flowchart illustrating the operations performed at the originating wireless terminal 102.

First, the user of the originating wireless terminal 102 connects to the wireless communication network 104 to access the voice modulation service server 112 (step S300).

Thereafter, the originating wireless terminal 102 is connected to the voice modulation service server 112 via the packet data service node 108 and the Internet 110 using the Internet service serviced in the wireless communication network 104 (step 302).

The originating wireless terminal 102 receives a screen as illustrated in FIG. 4A from the voice modulation service server 112. On the screen of FIG. 4A, "Do you want to use voice modulation call service?" Along with the phrases the messages of the optional phrases "yes" and "no" are shown. On the screen of FIG. 4A, the user of the calling party's wireless terminal 102 may select the phrase "Yes" to apply for the voice modulation call service (step S304).

Accordingly, the originating wireless terminal 102 displays a screen as illustrated in FIG. 4B transmitted from the voice modulation service server 112. The screen of Figure 4b, the type of modulation voice serviced by the voice modulation service server 112, ① male voice, ② female voice, ③ helium gas drank voice,. . Is displayed. The user can select a desired type of modulated voice on the screen of FIG. 4B (step S306).

When the user selects a desired type of modulated voice, the calling party's wireless terminal 102 displays a screen as illustrated in FIG. 4C from the voice modulation service server 112. The screen of FIG. 4C shows a phone number input window along with a message for inputting a phone number of the called party wireless terminal 106 that the calling party wireless terminal 102 wants to call. The user inputs the telephone number of the called-party wireless terminal 106, for example, 011-293-0305, to be called in the telephone number input window of the screen of FIG. 4C, and selects the "OK" button to apply for the voice modulation call service. To be completed (step S318).

When the application of the voice modulation call service is completed, the telephone number of the called party's wireless terminal 106 is transferred to the mobile communication switching center 124 through the calling base station controller 122, and the calling party's wireless terminal 102 and the called party's radio are transmitted. An attempt is made to make a call with the terminal 106. At this time, the calling party's wireless terminal 102 shows a message as shown in FIG. When a call path between the calling party's wireless terminal 102 and the called party's wireless terminal 106 is connected, the voice input from the calling party's wireless terminal 102 is a voice modulated by the modulating service server 124 and the called party's wireless terminal. Is sent to 106 (step S310).

3B shows a flow diagram illustrating operations performed in wireless communication network 104 and voice modulation service server 124.

In response to the Internet access attempt for the voice modulation call service request from the calling party wireless terminal 102, the calling party base station 120 of the wireless communication network 104 allocates a traffic channel, and the calling party base station controller 122 is calling party. The calling party wireless terminal 102 is connected to the voice modulation service server 112 by allocating a voice call signal processing path or a packet data signal processing path according to the signal transmitted from the wireless terminal 102 (step S320).

In response to the voice modulation call service request from the calling party's wireless terminal 102, the voice modulation service server 112 transmits a message regarding the voice modulation call service request as illustrated in FIG. 4A (step S322).

Then, when the answer to the voice modulation call service request from the source wireless terminal 102, the voice modulation service server 112 transmits a message regarding the type of modulated voice as illustrated in Fig. 4b (step S324). .

Then, when the type of modulated voice is selected from the calling party's wireless terminal 102, the voice modulation service server 112 transmits a message for inputting the called party's telephone number as illustrated in Fig. 4C (step S326).

Then, when the called party's telephone number is received from the calling party's wireless terminal 102, the voice modulation service server 112 transmits the called party's phone number to the calling party's base station controller 122 (step S328).

The originating base station controller 122 transmits the called party's telephone number transmitted from the voice modulation service server 112 to the mobile telecommunication switching center 124 to establish a call path between the calling party's wireless terminal 102 and the called party's wireless terminal 106. Is formed, and transmits a message to the calling-party wireless terminal 102 informing that the phone is connected as illustrated in FIG. 4D (step S328).

When a call path between the calling party wireless terminal 102 and the called party wireless terminal 106 is formed, the voice input from the calling party wireless terminal 102 is voice modulated by the voice modulation service server 112 (step S330). The modulated voice is transmitted to the destination wireless terminal 106 through the destination base station controller 126 and the destination base station 128.

Although the above-described present invention has been illustrated and described with reference to a voice modulated call service between a wireless terminal, that is, a calling party and a called party wireless terminal using a wireless communication network, a voice modulated call service between a wired terminal, for example, an Internet telephone, and a wired terminal; It is also possible to provide voice modulation call service between wireless terminals.

Fig. 5 shows a configuration of a voice modulated call service system for performing a voice modulated call service between wired terminals and between a wired terminal and a wireless terminal.

In Fig. 5, the originating wired terminal 502 and the terminating wired terminal 508 are connected to the Internet 110 via the originating and terminating public switched telephone networks (PSTNs) 504 and 506, respectively. Since the configuration is the same as that of FIG. 1 except that the mobile communication switching center 124 of the wireless communication network 104 and the called-side public switching network 506 are connected, detailed descriptions of the same components will be omitted.

The calling and called wired terminals 502 and 508 have a built-in web browser, and include an Internet phone that can be physically and signally connected to the Internet 110 using the built-in web browser.

The calling wired terminal 502 may use the voice modulation call service by connecting to the Internet 110 through the calling public switching network 504 and requesting the voice modulation call service with respect to the voice modulation call service server 112.

The voice of the calling party wired terminal 502 modulated by the voice modulation service server 112 is sent to the called party wired terminal 508 or the called party wireless terminal 106 according to the called party's telephone number inputted from the wired terminal 502. Can be sent. That is, when the wired terminal 502 inputs the telephone number of the called party's wired terminal 502 as the called party's phone number, the modulated voice of the calling party's wired terminal 502 is transmitted to the Internet 110 and the called party's public telephone network ( 506 may be provided to the called party's wired terminal 508. On the contrary, when the wired terminal 502 inputs the telephone number of the called party's wireless terminal 106 as the called party's phone number, the modulated voice of the calling party's wired terminal 502 is transmitted to the Internet 110 and the wireless communication network ( 104 may be provided to the called party wireless terminal 106 via 104.

This voice modulation call service is applicable to the case where the calling party's telephone number of the called party's wired terminal 508 is entered as the called party's telephone number in the calling party's wireless terminal 102, in which case the modulation of the calling party's wireless terminal 102 is performed. The voice will be delivered to the called party's public switched network 506 via the Internet 110 and will be provided from the called party's public switched network 506 to the called party's wired terminal 508.

Meanwhile, in the present invention described with reference to FIG. 1, although the voice modulation service server 112 is provided at the calling party to provide a modulated voice from the calling party to the called party, the called party, That is, by installing the voice modulation service server 112 having the same function in the destination base station controller 126, it will be possible for the called party wireless terminal 106 to talk to the calling party wireless terminal 106 in a modulated voice.

1 and 5, although the voice modulation service server 112 is illustrated and described as being connected to the originating base station controller 122 to provide voice modulation call service, the mobile communication network 104 may provide voice modulated telephony services within itself, such as at source and destination base station controllers 122 and 126 or mobile telecommunication switching center 124.

The voice modulation apparatus of FIG. 2 is provided to a vocoder, which is one of the components of the calling and receiving base station controllers 122 and 126, in order to provide voice modulation call services at the calling and receiving base station controllers 122 and 126. What is necessary is just to comprise 220. The vocoder decodes the input voice data into pulse code modulation data and transmits it to the mobile communication switching center 124, or encodes the input pulse code modulation (PCM) data and transmits it to the calling base station 120. It performs the function.

Similarly, in order to provide a voice modulation call service in the mobile communication switching center 124, the voice modulation device 220 of FIG. 2 may be separately configured in the mobile communication switching center 124. FIG.

In addition, the present invention can provide the following preventive measures to prevent indiscriminate use of the voice modulation call service.

First, before initiating the voice modulation call service, the user of the destination wireless and wired terminals 106 and 508 transmits a message or a warning sound notifying that the voice modulation call service is starting, and informs them in advance. .

Secondly, it is used together with Caller ID service, but if caller's phone number displayed in called party's wireless and wired terminals 106 and 508 is the phone number of unknown user, caller's identification request is requested. Or to stop the voice modulation call service.

It will be appreciated by those skilled in the art that the present invention is not limited to the above embodiments, and that various modifications and changes can be made without departing from the spirit of the present invention.

Therefore, as described above, the present invention provides a voice modulated call service to a user of a wired and a wireless terminal, thereby providing a convenience in that the user does not have to install or separately carry a voice modulator in his terminal.

In addition, there is an effect that the quality of the service can be improved by providing a voice-added call, for example, a new value-added service that calls a voice of a favorite entertainer between friends or lovers to users who use a wireless or wired communication service.

Claims (18)

In a voice modulated call service system for modulating the voice of the calling party to transmit the modulated voice to the called party, A calling party wireless terminal that accesses a voice modulation service server connected to the Internet through a wireless communication network, requests a voice modulation call service, selects a type of modulated voice, and transmits the type to a voice modulation service server; An originating wired terminal which accesses the voice modulation service server connected to the Internet through a public switched network, requests the voice modulation call service, selects a type of modulation voice, and transmits the type of the modulation voice to the voice modulation service server; Connected to the Internet and requesting the voice modulated call service from the calling party's wireless terminal or the calling party's wired terminal and selecting a type of a modulated voice, the voice inputted from the calling party's wireless terminal or the calling party's Modulates the selected modulated voice, receives the telephone number of the called wireless terminal or the called wired terminal, and transmits the modulated voice to the called wireless terminal or the called wired terminal through the Internet; A message informing that the voice modulation call service is started to a terminal or the called wired terminal; and receiving a request to stop the voice modulation call service from the called wireless terminal or the called wired terminal. The destination wireless terminal for voice Or audio modulated service server to stop transmitting to the called-side wired terminal; A called party wireless terminal or a called party wired terminal that receives the modulated voice from the voice modulation service server; The voice modulation call service request transmitted from the calling party wireless terminal is received and transmitted to the voice modulation service server through the Internet, and a call path is formed between the calling party wireless terminal and the called party wireless terminal, and the voice modulation is performed. A wireless communication network which receives the modulated voice by a service server through the Internet and transmits the voice to the called party's wireless terminal; And The voice modulation call service request transmitted from the originating wired terminal is received and transmitted to the voice modulation service server through the Internet, and a call path is formed between the originating wired terminal and the called wired terminal, and the voice modulation is performed. Public switching network receiving the modulated voice by the service server through the Internet and transmitting to the called party's wired terminal Voice modulation call service system comprising a. delete delete delete The method of claim 1, The voice modulation service server, A sampling unit for sampling the voice signal input from the calling party wireless terminal or the calling party wired terminal and converting the voice signal into a discontinuous voice signal; A Fourier transformer for converting the discontinuous speech signal converted by the sampling unit into frequency components; A frequency converter for changing an amplitude of each frequency band or transforming a spectral distribution with respect to an audio signal converted into a frequency component by the Fourier transformer; A conversion parameter storage unit having a plurality of conversion parameters indicating a degree of change in amplitude and a change in spectrum distribution for each frequency band; A control unit searching for the conversion parameter corresponding to the selected modulated voice type among the plurality of conversion parameters in the conversion parameter storage unit and providing the conversion parameter to the frequency conversion unit; And An inverse Fourier transform unit for converting the output converted by the frequency converter into a discontinuous speech signal, And said discontinuous speech signal converted by said inverse Fourier transformer is transferred to said Internet as said modulated speech. The method of claim 5, wherein The conversion parameter generates voices that are differently modulated according to the degree of conversion, The voice modulation service server is configured to select various types of modulated voices representing the respective conversion parameters from the calling party radio or the calling party wired terminal, and the type of modulation voices selected from the calling party radio or the calling party wired terminal. Voice modulation call service system, characterized in that for providing to the control unit. delete delete The method of claim 1, The calling party or the called party wired terminal has a built-in web browser, and the voice modulation call service system, characterized in that the Internet phone (Internet Phone) that can be physically and signally connected to the Internet using the web browser. A calling wireless or wired terminal, a called wireless or wired terminal, a wireless communication network or public switched network forming a communication path between the calling wireless or wired terminal and the called wireless or wired terminal, connected to the Internet and connected to the Internet Or a voice modulation service service comprising a voice modulation service server for providing a service for modulating a voice input from a wired terminal. (a) requesting the voice modulation call service by accessing the voice modulation service server connected to the Internet through the wireless communication network and the public switched network at the calling wireless or wired terminal; (b) transmitting a plurality of types of modulated voices serviced by the voice modulation service server to the calling wireless or wired terminal, and receiving the types of modulated voices selected by the calling wireless or wired terminal; (c) receiving the telephone number of the called wireless or wired terminal from the calling wireless or wired terminal and transferring the received phone number to the wireless communication network or the public switched network to form the call path; (d) if the communication path is formed, transmitting a message indicating that the voice modulation call service is started to the called party wireless or wired terminal; (e) stopping the voice modulated call service when there is a request for stopping the voice modulated call service from the called party wireless or wired terminal; And (f) modulating the voice input from the calling party wireless or wired terminal according to the selected modulated voice type and transmitting the voice input to the called party wireless or wired terminal through a communication path formed by the wireless communication network or the public telephone network; Voice modulation call service method comprising a. delete delete The method of claim 10, In step (e), the called party wireless or wired terminal uses a caller ID service, and if the caller's phone number is a user's phone number that is unknown, requesting to stop the voice modulation call service. Voice modulation call service method, characterized in that. The method of claim 10, The method, And in the calling party wireless or wired terminal, changing the type of the selected modulated voice. In a voice modulated call service system for modulating the voice of the calling party to transmit the modulated voice to the called party, Requests the voice modulated call service by accessing a wireless communication network, selects a type of modulated voice and transmits it to the wireless communication network, and inputs a telephone number of a called party to which the modulated voice is to be transmitted and transmits it to the wireless communication network. Side wireless terminal; Receiving the voice modulated call service request from the calling party's wireless terminal, modulating the voice input from the calling party's wireless terminal into the selected modulated voice, and using the telephone number input from the calling party's wireless terminal; A call path is formed with a called party's wireless terminal, and the modulated voice of the calling party's wireless terminal is transmitted to the called party's wireless terminal through the call path, and the voice modulated call service is initiated by the called party's wireless terminal. A wireless communication network which transmits a message indicating a message and stops transmitting the modulated voice to the called wireless terminal when receiving a request for stopping the voice modulated call service from the called wireless terminal; And A called party wireless terminal having the telephone number and receiving the modulated voice from the wireless communication network; Voice modulation call service system comprising a. The method of claim 15, And said base station controller including a base station controller for modulating voice of said called party wireless terminal. The method of claim 15, And the wireless communication network comprises a mobile communication switching center having a voice modulation device for modulating the voice of the called party's wireless terminal. The method according to claim 16 or 17, And the mobile communication base station or the mobile communication switching center provides a service for modulating the voice of the calling wireless terminal into different voices according to the selection of the calling wireless terminal.