KR101062136B1 - Method and system of call connection using text in mobile communication network - Google Patents

Abstract

The present invention converts a string into a unique numeric string, adds a prefix to the converted numeric string, and transmits it to the exchange, so that a call connection is made to a telephone number corresponding to the numeric string, so that a character is not modified without a special mobile communication network. The present invention relates to a method and a system for making a call using the present invention. ; A second step of adding a prefix for service identification to the converted number string and transmitting the prefix to a switch of a mobile communication network; A third step in which the exchange identifies a service based on the prefix and sends the numeric string to a database to request a search; A fourth step of the database performing a telephone number search corresponding to the string of numbers and transmitting the result to the exchange; A fifth step of, if the exchange receives a telephone number corresponding to the sequence of numbers from the database, attempts to call using the transferred telephone number; And a sixth step of transmitting an error broadcast by using the automatic voice guidance system when the exchange receives a search failure from the database.

Text, phone, name, call, connect

Description

Method and system for call connection using text in mobile communication network {Call Connection By Using Text On The Mobile Telecommunication Network}

1 is a block diagram of an entire system according to the present invention;

2 is a view for explaining a processing procedure in a mobile communication terminal according to the present invention.

3 is an overall flowchart of a call connection method using text according to the present invention.

The present invention relates to a method and system for connecting a call using text in a mobile communication network, and more particularly, to a method and a system for connecting a call using text input by a user without modification of a special system.

Korean Patent Laid-Open Publication No. 2005-4415 discloses a call connection method using text in a mobile communication network.

In the above-mentioned Patent Publication No. 2005-4415, the character identification number DB is registered with the incoming identification character and the numeric telephone number corresponding thereto. In Korean Patent Laid-Open No. 2005-4415, a 2-bit digital mode is allocated to distinguish a called number consisting of numbers or letters when a mobile communication terminal requests a call. For example, if the digit mode is '0', DTMF is displayed, and if '1', ASCII code is displayed. In Publication No. 2005-4415, the mobile communication terminal performs a call connection request including a text in the above-described format, and the exchange searches for a telephone number corresponding to the text in data previously stored in the text identification home location register. Perform call processing.

In general, exchanges use numbers or special codes to identify services and to identify destinations for handling requested calls. However, the prior art as described above, by transmitting a character directly to the exchange in the mobile communication terminal, the exchange must have a special protocol for processing the transmitted character.

Korean Patent No. 366332 discloses a call intermediation system using a text telephone number registration on the Internet and a method thereof. This means that a user who accesses through the Internet registers a text phone number using a character representing himself, then accesses a call intermediation system using a user terminal to make a call to a user who has registered a text electronic phone number in a call system. If you enter the registered text number, you can make a call.

To this end, Patent No. 366332 has a registration information database for storing a telephone number of a receiver terminal and registration information of a receiver, and a text telephone for storing a text telephone number consisting of specific characters representing the receiver in correspondence to the telephone number of the receiver terminal. A number server and a search server for searching and calling a telephone number of the receiver terminal corresponding to the input text telephone number when one text telephone number is input from the sender terminal, and the caller terminal and the search server call up. And a control server for mediating calls between receiver terminals corresponding to one telephone number.

This prior art patent 366332 has to build a system separate from the existing communication network in order to mediate a call using a letter. As a result, many economic costs are inevitably required to provide services.

Therefore, the present invention is to solve the problems of the prior art as described above, the present invention converts a string input by the user to a unique string of numbers, add a prefix to the converted string of numbers and transmits to the exchange, the exchange in the The purpose of the present invention is to provide a method and a system for distinguishing destinations based on a prefix, and for retrieving a telephone number corresponding to the string of numbers and responding to an exchange, so that a user can make a call using a text message without any special modification of a conventional mobile communication network. have.

According to an aspect of the present invention, there is provided a call connection method using characters in a mobile communication network, the method comprising: a first step of a mobile communication terminal converting a string input by a user into a unique sequence of numbers; A second step of adding a prefix for service identification to the converted number string and transmitting the prefix to a switch of a mobile communication network; A third step of the exchange identifying a service based on the prefix and requesting a search by transmitting the string of numbers to a database; A fourth step of the database performing a telephone number search corresponding to the string of numbers and transmitting the result to the exchange; A fifth step of, if the exchange receives a telephone number corresponding to the sequence of numbers from the database, attempts to call using the transferred telephone number; And a sixth step of transmitting an error broadcast by using the automatic voice guidance system when the exchange receives a search failure from the database.

In addition, the present invention for achieving the above object, in a system for connecting a call using a character in a mobile communication network, converts the string requested by the service subscriber to a unique string of numbers, and stores the phone number corresponding to the string of numbers Database; A mobile communication terminal for converting a string input from a user into a unique numeric string and adding a prefix for service identification to the converted numeric string; And identifying a service based on the prefix transmitted from the mobile communication terminal, requesting a search by transferring the numeric string transmitted from the mobile communication terminal to the database, and receiving a telephone number corresponding to the numeric string from the database. Attempting to connect the call, and receiving a failure from the search results from the database, characterized in that it comprises a switch for transmitting an error broadcast using the automatic voice guidance system.

Preferably, the database and the mobile communication terminal convert the string into a unique sequence of numbers using a hash algorithm.

Preferably, when the user selects a text call function, the mobile terminal provides a text input window to the user, and when the call button is pressed after text input, the mobile terminal converts the input string into a string of numbers using the hash algorithm to exchange the exchanger. Includes a program to transfer to.

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

1 is a view for explaining a call connection system using text in a mobile communication network according to the present invention.

The base station 11 is to provide a wireless interface with the mobile communication terminal, and is connected to the base station controller 12 through a dedicated line. The base station controller 12 controls the plurality of base stations 11 and is connected to the exchange 13 via a dedicated line.

The exchanger 13 is connected to the base station controller 12 via a dedicated line, performs call setup and release functions of the mobile communication terminal, performs various functions related to call processing and additional services, and performs interworking with other networks. To perform. In the present invention, the exchange 13 performs a normal call processing process, the exchange 13 transfers the sequence of numbers to the service controller (SCP) 14 of the intelligent network based on the prefix. On the other hand, the switch 13 is connected to the automatic voice guidance system (ARS) (17).

The service controller 14 is a component of an intelligent network, and the exchange 13 is interlocked to control various additional services. In the present invention, the service controller 14 receives a sequence of numbers from the exchange 13, The local database 15 requests the telephone number corresponding to the numeric string to be searched. The local database 15 stores and manages a string of numbers and a telephone number. In the prior art, a telephone number corresponding to a character is stored in a database. However, in the present invention, a character is converted into a unique string using a hash algorithm, and the telephone number is stored and managed in correspondence with the string of numbers. This will be described later. The local database 15 is installed for each specific region, and stores and manages a phone number corresponding to the name of a store or company in the region. The integrated database 16 stores and manages telephone numbers corresponding to subscriber names of all regions.

The subscriber who wants to receive the service according to the present invention requests a service subscription by accessing a web server through the Internet or by directly calling a customer center. When a service subscription request is made, the service provider or the web server checks whether the name requested by the subscriber is already registered, and notifies that the name can be registered. When registration is requested, the requested name is converted into a unique numeric code using a hash algorithm. The hash algorithm is also provided in the user's mobile communication terminal. Therefore, the numeric string obtained by converting the character (name) input from the mobile communication terminal or the numeric string obtained by converting the character (name) requested by the subscriber from the server is the same.

2 is a view showing a user interface for explaining a processing procedure in a mobile communication terminal according to the present invention.

For this service, a mobile terminal is equipped with a program for receiving a character from a user, converting the input string into a unique string using a hash algorithm, and adding a prefix to the converted string. The process thereof will be described with reference to FIG.

As shown in a) of FIG. 2, a user selects a phone book from a menu of a mobile communication terminal. In the submenu of the phone book, there is a text call menu for the service as shown in b) of FIG. When the user selects the text call menu, it is presented on the screen for inputting text as shown in c) of FIG. The displayed screen shows a description for the call connection and a text selection softkey for text entry. When the user presses a call button after inputting a desired character, the call is connected through the process described below with reference to FIG. 3.

3 is a flowchart illustrating a call connection method using text according to the present invention.

In order to provide this service, the service subscriber must first access the service provider's customer center and register the desired text (name). The characters (names) requested to be registered are converted into unique numeric codes using a hash algorithm and stored in the database corresponding to the telephone numbers. Of course, the original characters requested for registration may also be stored in the database. However, a string of numbers is used as a search key in the database.

The mobile communication terminal user selects and drives the text call function (program) as described above with reference to FIG. 2 to establish a telephone connection using the service (101). Then, in the text input window, enter the text (name) that you want to call (102). When the character input is completed and the call button is pressed, the mobile communication terminal converts the input character string into a unique number string using a hash algorithm (103). It then adds the prefix (eg, "0505") to the converted string of numbers so that the exchange can identify the service and sends it to the exchange (104).

When the exchange receives the numeric string to which the prefix is added from the mobile communication terminal, the exchange can identify the destination of the request through the number translation of the prefix. That is, the exchange performs a number translation when receiving a call request including a string of numbers from the mobile communication terminal. Transfer to the service controller (SCP) of the intelligent network (105). When the service controller (SCP) receives the sequence of numbers according to the present service from the exchange, the service controller (SCP) requests a search of the telephone number corresponding to the sequence of numbers to the local database (105) (105).

In the local database (DB), the telephone number corresponding to the string of numbers is retrieved and transmitted to the exchange 106. On the other hand, if the telephone number corresponding to the numeric string does not exist in the local database DB, the telephone number corresponding to the numeric string is searched in the integrated database DB. In the integrated database, if there is no telephone number corresponding to the string, it is notified that the exchange was not found.

When the exchange receives the telephone number corresponding to the string of numbers from the service controller (SCP), the exchange attempts to connect the call using the transferred telephone number (107). If it is notified that there is no search result from the service controller (SCP), the exchange transmits an error announcement broadcast using an ARS.

On the other hand, the description of the present invention has been described as requesting a search for a telephone number corresponding to a string of numbers to a local database using an intelligent network, it is possible to provide the service without using an intelligent network. For example, it is also possible to connect a separate server for the service to the exchange, so that the server can request a search of the database. Therefore, the service can be configured in any form between the exchange and the local database if possible.

Although the above has been described with reference to the preferred embodiment according to the present invention, those skilled in the art to which the present invention pertains can be carried out by other specific forms of example without changing the technical spirit or essential features of the present invention. I can understand. Therefore, the embodiments described above are to be understood as illustrative and not restrictive in all aspects. That is, the scope of the present invention is shown by the claims below rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts are included in the scope of the present invention. Should be interpreted.

As described above, the present invention converts a string input by the user into a unique numeric string, adds a prefix to the converted numeric string, and transmits it to the exchange, and the exchange distinguishes a destination based on the prefix. By retrieving the telephone number corresponding to the number string and responding to the exchange, it is possible to make a call using a character without special modification of the conventional mobile communication network.

Claims (6)

In the call connection method using a character in a mobile communication network, A first step of the mobile communication terminal converting a string input by the user into a unique sequence of numbers using a hash algorithm; A second step of adding a prefix for service identification to the converted number string and transmitting the prefix to a switch of a mobile communication network; A third step in which the exchange identifies a service based on the prefix and sends the numeric string to a database to request a search; A fourth step of the database performing a telephone number search corresponding to the string of numbers and transmitting the result to the exchange; A fifth step of, if the exchange receives a telephone number corresponding to the sequence of numbers from the database, attempts to call using the transferred telephone number; And And a sixth step of transmitting an error broadcast by using the automatic voice guidance system when the exchange receives the search failure from the database. delete In a system for connecting a call using text in a mobile communication network, A database for storing and managing telephone numbers corresponding to the numeric strings; A mobile communication terminal converting a string input from a user into a unique numeric string using a hash algorithm and adding a prefix for service identification to the converted numeric string; And Identify the service based on the prefix transmitted from the mobile communication terminal, request a search by transferring the numeric string transmitted from the mobile communication terminal to the database, and receive a telephone number corresponding to the numeric string from the database. And a switch that attempts to connect and transmits an error broadcast by using an automatic voice guidance system when receiving a search result failure from the database. delete The method of claim 3, wherein Receiving a request for the search for the phone number for the string of numbers from the exchange to the database, and further comprising a service controller (SCP) for delivering the search results delivered from the database to the exchange Connection system. The method of claim 3, wherein When the user selects the text call function, the mobile communication terminal provides a text input window to the user, and when the call button is pressed after the text is input, converts the input text string into a string using the hash algorithm and transmits it to the exchange. Call connection system using a character, characterized in that it comprises a program.

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