KR100469848B1 - Internet phone having a variable prefix function and method for controlling the internet phone - Google Patents

Abstract

The present invention relates to an internet telephone and a connection method thereof. In particular, even if only a partial number is input without inputting the entire counterpart's telephone number in order to make a call, the prefix number of the required digits among the registered prefix numbers is automatically added to the front part. An internet telephone having a variable prefix function for controlling to be added, and a control method thereof.

According to the present invention, if only a few end numbers are inputted through the Internet phone, the call prefix is generated by extracting the variable prefix number of the required digits from the registered prefix number and automatically or semi-automatically combining before the input end number. When making a phone call from an Internet phone, the effect is as fast and convenient as using an interphone.

Description

Internet phone having a variable prefix function and method for controlling the internet phone}

The present invention relates to an internet telephone and a connection method thereof. In particular, even if only a partial number is input without inputting the entire counterpart's telephone number in order to make a call, the prefix number of the required digits among the registered prefix numbers is automatically added to the front part. An internet telephone having a variable prefix function for controlling to be added, and a control method thereof.

As communication technology develops, telephone call technology using the Internet is widely spreading. There are two ways to make a phone call using internet phone technology at home.

First, there is a method of using an Internet phone using a computer.

When using an Internet phone with a computer, an IP address is assigned by connecting to an Internet service provider (ISP) using a Point to Point Protocol (PPP), a modem and software for Internet access. By completing preparation for TCP / IP to run, it is possible to connect to the other host for the voice call. Subsequently, when the PC user attempts to connect to the called party by running the Internet phone program and the other party answers, the voice call is connected and the telephone call can be made.

Second, there is a method using an internet phone.

When using an internet phone, instead of running a computer, connect the internet line to the internet phone, enter the subscriber ID and set the gatekeeper information only once. Free calls can be made through Internet phones, and at the same time, it is possible to make cheap calls from Internet phones to regular phones through Internet phone service companies.

In such an internet phone call system, when both IP phones and IP phones are used, domestic and international calls can be made free of charge. However, Internet phone telephone numbers provided by telecommunications companies that provide Internet phone services currently in use are different from ordinary telephone numbers, and the number of digits is 9 or more digits depending on the service company. In order to use the Internet phone-free free phone call because it is selected, there was a very uncomfortable problem that a user can make a phone call only by entering a somewhat complicated and unfamiliar number.

The technical problem to be solved by the present invention is to automatically extract and input only the number of required digits from the registered prefix number even if only a partial number is input without making the entire counterpart number when making a phone call in the Internet call device. An internet telephone having a variable prefix function combined before a part number and a control method thereof are provided.

1 is a block diagram of an Internet telephony communication system to which the present invention is applied.

2 is a block diagram of an Internet telephone having a variable prefix function according to the present invention.

3 is a flowchart illustrating a process of registering a prefix number according to the present invention.

4 is a flowchart of a method for controlling an internet telephone having a semi-automatic variable prefix function according to the present invention.

5 is a flowchart of a method for controlling an internet telephone having an automatic variable prefix function according to the present invention.

In order to achieve the above technical problem, an internet telephone having a variable prefix function according to the present invention includes a memory for storing a registered prefix number, a keypad composed of a number and a function key button, and a key button value input from the keypad. A call completed by reading a variable prefix having the required number of digits among the prefix numbers stored in the memory by a predetermined process corresponding to the analyzed result and combining the read variable prefix number with the number preceding the number input from the keypad. And a communication module for controlling to generate a signal, and a communication module for transmitting a call signal generated by the controller to a gatekeeper and transmitting / receiving data to a channel connected through the gatekeeper.

In accordance with another aspect of the present invention, there is provided a method for controlling an internet telephone having a variable prefix function according to a first embodiment of the present invention. In the method of controlling an internet telephone, (a) determining whether an input key button is a prefix applied key value. (B) reading a variable prefix number having a number of digits corresponding to the prefix applied key value from the memory when the key button value inputted as a result of the determination of the step (a) is a prefix applied key value, (c) ) (B) combining the variable prefix number read out in step (b) with the input number, (d) determining whether a transmission key is input, and (e) determining that the transmission key is input. In this case, it characterized in that it comprises the step of generating a call signal with the number combined in step (c).

In accordance with another aspect of the present invention, there is provided a method for controlling an internet telephone having a variable prefix function. The method for controlling an internet telephone includes: (a) counting the number of telephone numbers input in a dialing mode; (B) determining whether a transmission key is input, (c) if the transmission key is input, determining whether the value counted in step (a) is greater than or equal to a predetermined threshold value, (d) the value counted in step (a) from the total number of digits of the telephone number combined with the prefix number if the value counted in step (a) is less than a predetermined threshold as a result of the determination of step (c); Subtracting (e) reading the prefix number of the number of subtracted values of step (d) from the preceding digit among the prefix numbers stored in the memory, (f) reading in step (e) Coupling the input number from the prefix code and wherein the step (a) and (g) is characterized in that it comprises the step of generating a call signal to which number combination in said step (f).

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

First, an internet communication system to which the present invention is applied will be described.

As shown in FIG. 1, the Internet telephony communication system to which the present invention is applied includes the Internet 1000, the PSTN 2000, the gateways 110 and 150, the gatekeepers 120 and 160, the routers 130 and 170, and Internet telephones IP1-N; 140-1 to 140-N and 180-1 to 180-N.

The gateways 110 and 150 convert signal specifications to enable communication between the Internet 1000 and the PSTN 2000, which are communication networks having different standards, including call control, DTMF reception, and DTMF tone generation functions. Run the function.

A plurality of Internet telephones IP1 to N are connected to the gatekeepers 120 and 160 via a local area network (LAN) or the Internet. The gatekeepers 120 and 160 have a function of controlling a network. The gatekeepers 120 and 160 perform an authentication operation for determining whether to permit an incoming call from outside, and control the bandwidth change request. In addition, conversion between the telephone number and the IP address of the Internet telephone is performed using the conversion table already stored. If you use a static IP address, the IP address that matches the Internet phone number in the conversion table is fixed.However, if you use a dynamic IP, such as ADSL and cable modems, you can use the regular IP address between your Internet phone and the gatekeeper. Through the exchange of personal information, it always checks and saves the changed IP address that matches the subscriber ID (phone number of the Internet phone, H.323ID and e164ID), and checks the IP address that matches the incoming Internet phone number. Support phone calls as possible.

The routers 130 and 170 execute a function of designating a communication path to enable communication with PCs or Internet telephones in other regions.

First, a description will be given of a call method between Internet phones connected to a LAN or the Internet of the same region.

If you want to make a call from an Internet phone IP1 (140-1) connected to a local area network (LAN) to an Internet phone IP2 (140-2) connected to a local area network, use the keypad of the Internet phone IP1 (140-1). When the telephone number (or extension number) of the telephone IP2 140-2 is inputted, the gatekeeper 120 in the area A converts the telephone number (or extension number) of the Internet telephone IP2 140-2 into an IP address. Set up the call channel. Accordingly, the Internet telephone IP1 140-1 and the Internet telephone IP2 140-2 in the area A can form a call channel with each other to perform a voice telephone call.

Next, a communication method between Internet telephones connected to LANs of different regions will be described.

If you want to make a call from the Internet phone IP1 (140-1) connected to the LAN in area A to the Internet phone IP2 (180-2) connected to the LAN in area B, use the keypad of the Internet phone IP1 (140-1). When the telephone number of the telephone IP2 180-2 is inputted, the gatekeeper 120 of the region A analyzes the telephone number of the inputted IP telephone IP2 150-2, and the region B through the routers 130 and 170. Is sent to the gatekeeper 160. Then, the phone number received from the gatekeeper 160 in the region B is converted into an IP address to establish a call channel. Accordingly, the Internet phone IP1 140-1 and the Internet phone IP2 180-2 located on different LANs can form a channel to perform voice telephone calls with each other.

Finally, the telephone call method of the Internet phone user and the public telephone network subscriber is a call signal output from the Internet phone IP1 (140-1) connected to the local area LAN connected to the Internet (1000) via the gateway keeper 120 When applied to 110, the gateway 110 is connected to the PSTN 2000 to make a call.

Next, an Internet telephone having a variable prefix function according to the present invention will be described in detail with reference to FIG.

As shown in FIG. 2, the Internet telephone having a variable prefix function according to the present invention includes a keypad 210, a controller 220, a digital signal processor (DSP) 230, a codec module 240, and a speaker phone 250. , A memory 260, a communication module 270, and display means 280.

First, the memory 260 stores a registered prefix telephone number and application programs for executing the prefix function.

A method of storing the prefix telephone number in the memory 260 will be described with reference to the flowchart shown in FIG.

The controller 220 determines whether the prefix setting key value is input from the keypad 210 (step 301). Here, the prefix setting key value may be designed as a single function key (eg, "#" key), and in some cases, may be designed as a plurality of key combinations (eg, "#" key + "0" key). have.

When the prefix setting key value is input as a result of the determination in step 301, the prefix number is set to the number input by the user using the keypad 210, and the set prefix number is stored in the memory 260 (step 302, step). 303).

The controller 220 collectively controls the Internet telephone, and in particular, analyzes key button values input from the keypad 210, and stores variable digits stored in the memory 260 by a variable prefix function execution process corresponding to the analyzed result. It reads the prefix phone number having a number and controls to generate a completed call signal by combining the number input to the keypad 210 with the prefix telephone number having a variable digit.

Next, the variable prefix function executed by the controller 220 will be described with reference to the flowcharts of FIGS. 4 and 5.

4 is a flowchart of the semi-automatic variable prefix function execution program, and the flowchart of FIG. 5 is a flowchart of the automatic variable prefix function execution program.

First, the semi-automatic variable prefix function execution program according to the present invention will be described with reference to the flowchart of FIG. 4.

Determines whether a key value input from the keypad 210 is a variable prefix application key (for example, a "*" key; a 10-digit variable prefix key, or a "#" + "numeric" key; the number is a variable digit of the prefix). (Step 401).

In the case where the inputted key value is the variable prefix applied key value as a result of the determination in step 401, the digital signal processor 230 reads the prefix number having the number of digits corresponding to the variable prefix applied key value from the memory 260 and performs graphic signal processing on the digital signal processor 230. After that, it outputs to the display means 280 (step 402).

As an example, when the prefix number is "0099-822-200" and the variable prefix applied key value corresponds to the 10-digit prefix number, "0099-822-200-" is output to the display means 280. . (If the variable prefix applied key value corresponds to a seven-digit prefix number ("#" + "7" key), "0099-822-" will be output to the display means 280.)

Then, when the user enters a number on the keypad 210, the read prefix number is combined with the input number (step 403).

As an example, when the user inputs "3445" by using the keypad 210, the numbers input at the back digit of the read prefix number are sequentially combined, so that the display means 280 has "0099-822-200-3445". Is output.

Next, it is determined whether a transmission key (SEND key) is input from the keypad 210 (step 404).

When a transmission key (SEND key) is input as a result of the determination in step 404, a call signal is generated with the combined number in step 403 (step 405). That is, a call signal is generated as "0099-822-200-3445".

Next, an automatic prefix function execution program according to the present invention will be described with reference to the flowchart of FIG. 5.

First, the total number of digits M of the telephone numbers combined with the prefix telephone numbers and the threshold digits N of the number to be combined with the prefix telephone number PN are set as the initial condition for executing the prefix function (step 501).

After temporarily storing the telephone number T input in the dialing mode, the number C of the telephone numbers T input is counted (step 502).

Then, it is determined whether a transmission key (SEND key) is input (step 503).

As a result of the determination in step 503, when a transmission key (SEND key) is input, the value C counted in step 502 is compared with a threshold digit N which is an initial value set in step 501 (step 504).

Here, the reason for comparing the critical digits is to determine whether or not it corresponds to a normal telephone number for executing a general telephone call through the PSTN communication network or to realize a prefix function of a predetermined number or more.

If the counting value C is greater than or equal to the threshold digit N, the call signal is generated with the inputted telephone number T (step 505).

However, if the counting value C is less than the threshold digit N as a result of the determination in step 503, the counting value C is subtracted from the total number of digits M of the telephone numbers in which the prefix numbers are added (step 506).

Then, from the prefix number stored in the memory, the prefix number corresponding to the value D subtracted in step 506 is read out (step 507).

In operation 507, the " D " prefix number PN and the telephone number T entered in the dialing mode are combined, and the combined number (PN_D + T) is processed by the digital signal processor 230. Thereafter, output is made to the display means 280 (step 508).

Then, finally, a call signal is generated with the combined number (PN_D + T) in step 508.

As an example, assume that the prefix number is "0099-822-200-99", the total number of digits M of the prefix phone numbers combined is 14, and the threshold digits N is set to eight. At this time, when the user enters "1234" in the dialing mode and the transmission key, the C value is 4, the S value is 12.

Since the C value is smaller than the N value, a call signal generated by the prefix function is generated, and the D value is D = M-C = 14-4 = 10.

Therefore, the call signal is generated by combining "0099-822-200" from the first to ten digits of the prefix number and "0099-822-200-1234" which is input by the user.

Through such a prefix control process, if only a few end numbers are input into the Internet telephone, a variable prefix number is combined before a few end numbers input by the user automatically or semi-automatically to generate a call signal.

In some cases, as a design specification, an automatic prefix function can be programmed to allow the user to determine externally.

As such, the call signal generated by the controller 220 is transmitted to the gatekeeper through the communication module 270 to generate a call channel with the converted IP address to make a call.

When the call channel is generated, the codec module 240 encodes the analog voice signal input from the speaker phone 250 into digital data and outputs it through the communication module 270. The digital data received from the communication module 270 After decoding, the signal is converted into an analog signal and output to the speaker phone 250, thereby enabling a voice call.

In an embodiment of the present invention, the application is limited to the Internet phone, but the variable prefix technology of the present invention is not limited thereto, and it is obvious that the general phone or the mobile phone can be applied.

The invention can be practiced as a method, apparatus, system, or the like. When implemented in software, the constituent means of the present invention are code segments that necessarily perform the necessary work. The program or code segments may be stored on a processor readable medium or transmitted by a computer data signal coupled with a carrier on a transmission medium or network. Processor readable media includes any medium that can store or transmit information. Examples of processor-readable media include electronic circuits, semiconductor memory devices, ROMs, flash memories, E ² PROMs, floppy disks, optical disks, hard disks, optical fiber media, radio frequency (RF) networks, and the like. Computer data signals include any signal that can propagate over transmission media such as electronic network channels, optical fibers, air, electromagnetic fields, RF networks, and the like.

Specific embodiments shown in the accompanying drawings are to be understood only as examples of the present invention, and are not intended to limit the scope of the present invention, but also various technical scope described in the present invention in the technical field to which the present invention belongs. It is obvious that the invention is not limited to the specific configurations and arrangements shown or described, as other changes may occur.

As described above, according to the present invention, if only a few end numbers are inputted through the Internet telephone, a call signal is generated after extracting a variable prefix number of required digits from the registered prefix number and automatically or semi-automatically combining the input end number. By controlling, when making a call from an Internet phone to an Internet phone, the effect of using the phone as simply as using an interphone or a premises phone is generated.

Claims (9)

delete In the Internet phone, A memory for storing the registered prefix number; A keypad consisting of numeric and function key buttons; A first process for analyzing a key button value input from the keypad and reading a prefix number stored in the memory when the key button value input corresponding to the analyzed result is a prefix applied key value, and the read prefix number; A second process of sequentially combining input numbers, a third process of determining whether a transmission key is input, and a fourth process of generating a call signal with a number combined in the second process when the transmission key is input; A control unit for controlling to execute; And And a communication module for transmitting a call signal generated by the controller to a gatekeeper and transmitting / receiving data through a channel connected through the gatekeeper. The Internet telephone having a variable prefix function according to claim 2, wherein the controller further executes a fifth process of displaying the read prefix number and the input number sequentially coupled to the read prefix number. In the Internet phone, A memory for storing the registered prefix number; A keypad consisting of numeric and function key buttons; A first process of analyzing a key button value input from the keypad and counting the number of telephone numbers input corresponding to the analyzed result, a second process of determining whether a transmission key of the keypad is input, and the transmission key is A third process that determines whether a value counted in the first process is greater than or equal to a predetermined threshold when input; a value counted in the first process is smaller than a predetermined threshold as a result of the determination of the third process The fourth process for subtracting the value counted in the first process from the total number of digits of the telephone number where the prefix numbers are combined, and the prefix number of the subtracted number of the fourth process from the first digit among the prefix numbers stored in the memory. The shipment process combines the input number with the prefix number read out from the fifth process and the fifth process. A sixth process, and a control unit that controls to execute the seventh process of generating a call signal to which number combination in the sixth process; And And a communication module for transmitting a call signal generated by the controller to a gatekeeper and transmitting / receiving data through a channel connected through the gatekeeper. The Internet telephone according to claim 4, wherein the controller further performs a process of displaying the completed telephone number by combining the read prefix number and the input number. delete In the Internet telephone control method, (a) determining whether an input key button is a prefix applied key value; (b) reading a variable prefix number having a number of digits corresponding to the prefix applied key value when the key button value inputted as a result of the determination of the step (a) is a prefix applied key value; (c) sequentially combining numbers input in the rear digit of the variable prefix number read in step (b); (d) determining whether a transmission key is input; And (e) when the transmission key is input as a result of the determination of step (d), generating a call signal with the number combined in step (c); and controlling the Internet telephone having a variable prefix function. Way. In the Internet telephone control method, (a) counting the number of phone numbers input in the dialing mode; (b) determining whether a transmission key is input; (c) when the transmission key is input, determining whether the value counted in step (a) is greater than or equal to a predetermined threshold value; (d) the value counted in step (a) from the total number of digits of the telephone number combined with the prefix number if the value counted in step (a) is less than a predetermined threshold as a result of the determination of step (c); Subtracting; (e) reading the prefix number of the number of subtracted values of step (d) from the first digit among the prefix numbers stored in the memory; (f) combining the prefix number read in step (e) and the number input in step (a); And (g) generating a call signal with the number combined in step (f). 10. The method of claim 8, wherein the step (f) sequentially combines the numbers input after the prefix number read in the step (e).