KR20090011576A - Computer system for providing internet telephone service and method of controlling thereof - Google Patents

Computer system for providing internet telephone service and method of controlling thereof Download PDF

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Publication number
KR20090011576A
KR20090011576A KR1020070075279A KR20070075279A KR20090011576A KR 20090011576 A KR20090011576 A KR 20090011576A KR 1020070075279 A KR1020070075279 A KR 1020070075279A KR 20070075279 A KR20070075279 A KR 20070075279A KR 20090011576 A KR20090011576 A KR 20090011576A
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KR
South Korea
Prior art keywords
internet
computer system
voip packet
module
power
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KR1020070075279A
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Korean (ko)
Inventor
김진영
Original Assignee
엘지전자 주식회사
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Priority to KR1020070075279A priority Critical patent/KR20090011576A/en
Publication of KR20090011576A publication Critical patent/KR20090011576A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/1059—End-user terminal functionalities specially adapted for real-time communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/22—Parsing or analysis of headers

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)

Abstract

The present invention relates to a computer system for transmitting and receiving VoIP packets and making an internet phone call even when the computer system is in a power-off state or a standby mode, and a control method therefor. The present invention provides an Internet module 21 for transmitting and receiving various signals including a VoIP packet and a signal processing through a communication network based on the Internet; Audio I / O 23 for inputting and outputting voice signals; The audio module outputs a voice signal through the audio I / O 23 according to the VoIP packet signal received from the internet module 21, or according to the voice signal input to the audio I / O 23. 21. An Internet phone unit 20 including a controller 22 for outputting a VoIP packet signal through 21): A power supply unit for supplying power to the Internet phone unit 20 even in a system power-off state and a system standby mode. 30). According to the present invention having the above-described configuration, it is possible to call / send and receive Internet telephones without the power on / off control of the computer system, the convenience of use is increased, and the computer does not need to be turned on unnecessarily to prevent power consumption The advantage is that you can.

Description

Computer system for providing Internet telephone service and control method thereof

1 is a block diagram showing the configuration of a computer system according to a specific embodiment of the present invention.

2 is a flowchart showing step by step a control method of a computer system according to a first embodiment of the present invention;

3 is a flowchart showing step by step a control method of a computer system according to a second embodiment of the present invention;

4 is a block diagram showing a data structure of a typical VoIP packet.

* Description of the symbols for the main parts of the drawings *

10: system part 11: system main controller

12: Keyboard 13: Video I / O

20: Internet phone book 21: Internet module

22: Controller 23: Audio I / O

24: input unit 25: screen output unit

30: power supply unit 100: computer system

The present invention relates to a computer system for providing an Internet telephone service and a control method thereof. More particularly, the present invention relates to a computer system capable of making an Internet telephone call by transmitting and receiving VoIP packets even when the computer system is in a power-off state or a standby mode. It relates to a control method for this.

As the electronic and communication technologies have made rapid progress, various wireless communication services using wireless networks have been provided. Representatively, the wireless Internet service is being activated. As the wireless Internet service is activated, the demand for using the high-speed wireless Internet service is increasing rapidly in the mobile communication environment.

In recent years, high-speed portable Internet (WiBro: Wireless Broadband or HPi: High-Speed Portable internet) systems have emerged, which ensure portability, mobility, and low-cost wireless Internet services.

The portable internet system uses various types of portable communication terminals such as laptops, PDAs, and handheld PCs to access the Internet in indoor and outdoor stationary environments and in mobile environments with walking speeds and low to medium speeds. Provide possible services.

On the other hand, the Internet, which was initially designed only for simple data transmission, has evolved into a broadband multimedia network capable of transmitting voice or video according to the rapid development of communication technology and users' needs. In other words, as a function of an integrated network in which a telephone network and a data network are no longer separated, a voice over internet protocol (VoIP), in which voice calls are made using the Internet and an existing telephone network, has emerged.

As described above, the technical basis for using the VoIP technology using the high-speed portable Internet has been prepared, and prior to the development of a dedicated terminal, VoIP voice calls, that is, the use of an Internet phone, can be used by using a portable computer such as an existing notebook.

However, when the Internet phone service is provided by using a conventional portable computer, it is cumbersome to repeat the power on / off of the computer system every time a call is made.

In addition, the battery power is unnecessarily consumed because the system power-on state must be maintained in order to receive an Internet phone call.

Accordingly, the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a computer system capable of incoming / outgoing Internet telephone calls without performing a power on / off operation of the computer system during the Internet telephone call; It is to provide a control method.

Another object of the present invention is to provide a computer system and a control method thereof which can prevent unnecessary power consumption by supplying power only to a specific module for receiving an Internet phone when not using the computer system.

According to a feature of the present invention for achieving the object as described above, the present invention comprises an Internet module for transmitting and receiving and signal processing a variety of signals, including VoIP packets through a communication network based on the Internet; Audio I / O for inputting and outputting voice signals; And a controller for outputting a voice signal through audio I / O according to the VoIP packet signal received from the internet module, or outputting a VoIP packet signal through the internet module according to the voice signal input to the audio I / O. Internet telephone unit configured to include: a power supply unit for supplying power to the Internet telephone unit even in the system power-off state and the system standby mode.

Wherein the internet module is a wireless internet module; The computer system may be a portable computer.

The wireless internet module may be a WiBro module or a mobile Wimax module.

Meanwhile, the Internet module may periodically communicate with the access point.

The internet module and the audio I / O may operate under the control of a system main controller in a system power-on state.

The Internet telephone unit may further include an input unit for receiving a user's command.

The input unit may be a keyboard of the computer system.

In addition, the input unit may be provided as a separate touch panel on an outer surface of the computer system.

The Internet telephone unit may further include a screen output unit configured to output internet telephone related information on an outer surface of the computer system.

Here, the information related to the Internet phone may include at least one of a reception number, a calling number, an SMS message, and a call time.

The Internet telephone unit may further include a video I / O for inputting and outputting an image signal.

On the other hand, when the controller detects that the VoIP packet is received by the Internet module in the standby mode, the controller may control the computer system to be in the power-on state in the standby mode.

At this time, the controller, in the output VoIP packet header area to display the bit information to determine that the VoIP packet; The bit information may be detected in a header region of an input VoIP packet to determine that the packet is a VoIP packet.

On the other hand, the present invention, in the computer system comprising an Internet module comprising a controller for controlling the Internet module and the Internet module for transmitting and receiving various signals including the VoIP packet through a communication network based on the Internet, Maintaining power supply to the Internet telephone unit even in a system power-off or system standby mode; Periodically communicating between the Internet module and an access point; Receiving a VoIP packet from the Internet module or detecting an input of a user's call command; And the controller may be performed including the step of performing the call processing step by step.

Determining whether a signal received by the Internet module is a VoIP packet; If it is determined that the received signal is a VoIP packet, the method may further include changing the mode of the computer system to the system power-on state.

In this case, the determining whether the signal received by the Internet module is a VoIP packet may be performed by detecting bit information for determining the VoIP packet in the header area of the received packet.

The method may further include changing a mode of the computer system back to a system power-off or system standby mode when the call processing procedure is completed.

According to the present invention having the above-described configuration, it is possible to call / send and receive Internet telephones without the power on / off control of the computer system to increase the convenience of use, and to avoid unnecessary power on the computer to prevent power consumption The advantage is that you can.

Hereinafter, specific embodiments of the computer system according to the present invention as described above will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing the configuration of a computer system according to a specific embodiment of the present invention.

First, as shown in FIG. 1, the computer system 100 according to a specific embodiment of the present invention includes a system unit 10, an Internet telephone unit 20, and a power supply unit 30.

First, the system unit 10 includes various input / output means, a control unit, a communication unit, a calculation unit, a power supply unit, and the general configuration provided in the PC.

Accordingly, the system unit 10 is provided with a system main controller 11 for controlling the operation of the various components provided in the system unit 10. The system main controller 11 performs the same role as a central processing unit (CPU) provided in a general PC.

The system main controller 11 also controls various modules provided in the Internet telephone unit 20.

The system unit 10 may further include a keyboard 12 as an input means and a video I / O (Input / Output: 13) as a display means.

The keyboard 12 may serve as an input means for inputting various commands for receiving or making an Internet call.

The video I / O 13 may be provided as an input / output means further including a video camera in a main LCD generally provided in a computer system. The video I / O 13 can display various types of information related to the reception and transmission of an Internet call in the form of a text, an image, a picture, or the like. A function for receiving data can be performed.

On the other hand, the Internet telephone unit 20 is provided with an Internet module 21. The internet module 21 may be a wired LAN module or a wireless LAN module generally provided in a computer for accessing the Internet.

In particular, when the computer system 100 is a portable computer such as a notebook, the Internet module 21 is provided as a wireless Internet module, and among the wireless Internet modules, a Wibro (Wireless Broadband Internet) module or Mobile Wimax (World Interoperability for Microwave). It may also be provided as a portable Internet module such as an Access module, such as an internet communication module capable of accessing the Internet at a high speed while stopping and moving indoors as well as outdoors using a portable terminal.

The Wibro module and the Mobile Wimax module refer to a high speed wireless Internet module that guarantees mobility based on IEEE 802.16e.

The internet module 21 transmits and receives various signals by connecting to the Internet by wire or wirelessly, and also performs signal processing functions such as modulating and demodulating the signals to be transmitted and the received signals.

The Internet module 21 also receives and processes Voice over Internet Protocol (VoIP) packets and also transmits VoIP packets to the Internet.

That is, according to a command of the controller 22 to be described later, various types of data such as voice data are converted into the VoIP packet, and the signal is transmitted in a wired / wireless network based on the Internet, or vice versa. Signal processing for converting various types of data such as voice data is performed.

In this case, the VoIP packet refers to a conversion of voice data and the like into an Internet protocol data packet.

In addition, when the Internet module 21 is a wireless Internet module such as a Wibro module or a Mobile Wimax module, the Internet module 21 periodically communicates with an access point (AP) at the shortest distance. This is because when the computer system 100 becomes the receiver side of the Internet phone, the location information of the computer system 100 is required in order to receive the VoIP packet from the caller side.

In addition, the Internet telephone unit 20 is provided with audio I / O (Input / Output: 23). The audio I / O 23 includes a microphone and a speaker, and may be provided as a hands free device of wired or wireless.

When the audio I / O 23 is provided as a wireless device, a short range wireless communication module such as a Bluetooth module should be provided in the audio I / O 23 and the computer system 100.

The audio I / O 23 also receives an external voice signal according to the command of the controller 22, or outputs the voice signal when the VoIP packet received by the Internet module 21 is converted into a voice signal. Perform.

In addition, the Internet telephone unit 20 may further include an input unit 24. The input unit 24 may be any one or more of ordinary input means such as a separate input key or a touch panel, and may be detachably provided in the form of a peripheral device.

Alternatively, the keyboard 12 or some of the keys provided in the system unit 10 may take the role of the input unit 24.

Through the input unit 24, a user can command to make and receive an Internet call, or input various information related to the use of the Internet phone, such as inputting information for retrieving the phone number of the receiver side, SMS message input, and the like. can do.

On the other hand, the Internet phone 20 may be further provided with a screen output unit 25. The screen output unit 25 may be provided as a separate small LCD window. In this case, the screen output unit 25 may be replaced by a main LCD in the video I / O 13 provided in the computer system.

The screen output unit 25 displays a variety of information related to the use of the Internet phone, such as the incoming call number, information on the other party, the contents of the incoming SMS message, call time. In addition, when the screen output unit 25 is provided with a touch panel, a function of the input unit 24 that can receive a phone number or a text message through the touch panel is displayed by displaying a combination of numbers, characters, vowels, and the like. can do.

On the other hand, the computer system 100 according to a specific embodiment of the present invention is provided with a power supply unit 30. The power supply unit 30 serves to supply power to the system unit 10 and the Internet telephone unit 20 from a power source such as a battery.

The power supply unit 30 may be provided as an embedded controller in the computer system 100. In this case, the embedded controller is a control device additionally mounted to perform a given task in a specific product or solution.

The power supply unit 30 includes a central processing unit, a storage device, an input / output means, a timer, an interrupt controller, and the like, and a program for performing a task in the storage device to perform a given task. Can be stored.

The power supply unit 30 checks the state of the system unit 10 and continues to supply power to the Internet telephone unit 200 even when the system unit 100 is in a power-off state or a standby mode.

On the other hand, when the input unit 24 is not separately provided in the Internet telephone unit 20 and the keyboard 12 is used as an input means, the system supply unit 100 is in a power-off state or a standby mode. 30 may also continue to supply power to the keyboard 12.

At this time, the power-off state is, in the ACPI (Advanced Configuration and Power Interface) power management class of G1 level (state of stopping the function of a part of the internal configuration of the system) of the S5 level (the system is stopped by software as the operating system for use It means the state that requires booting) or G2 class (system is stopped by software), and the standby mode is S3 class among G1 class (preserves only the contents of RAM and cuts power of most of the rest of the system). And S4 level (the contents of the RAM are stored in the hard disk and the system is turned off).

As described above, when the computer system 100 is in the S3 to S5 state, or the G2 grade state, the system main controller 11 does not perform its role, so that the controller 22 of the Internet telephone unit 20 is connected to the computer. The system 100 will be controlled.

In this case, since the power supply unit 30 continues to supply power to the Internet telephone unit 20 even when the computer system 100 is in a power off state or a system standby mode, the user may power off the computer system 100. Even if the phone is in the standby mode or in the standby mode, it is possible to talk using an Internet phone.

When the computer system 100 is a portable computer, the power supply unit 30 detects the remaining battery level and decreases the battery level below a predetermined value. When the system unit 10 is in a power off state or a standby mode state, The power supply to the Internet telephone unit 20 can be cut off.

However, whether or not the power supply unit 30 supplies power to the Internet telephone unit 20 when the power supply unit 30 is in the power off state or the system standby mode state of the computer system 100 can be adjusted according to a user's needs. You can do that.

Meanwhile, when the computer system 100 is in the system power-on state, the power supply unit 30 supplies power to both the system unit 10 and the Internet telephone unit 20.

Therefore, at this time, the system main controller 11 has control priority for the computer system 100, and the controller 22 operates according to the command of the system main controller 11. Alternatively, since various modules included in the Internet telephone unit 20 may be controlled by the system main controller 11, the controller 22 may be set to not operate in a system power-on state.

Alternatively, when it is detected that the VoIP packet is input from the internet module 21, the controller 22 may control only the control of the operation thereof. At this time, the controller 22 may determine whether the input signal is a VoIP packet by analyzing the header area of the input signal packet.

At this time, the system power-on state is a case where the G0 level (the computer system is actually being used) in the ACPI power management level or the S1 level (the same state as the G0 level) among the G1 level is substantially used in the normal operation of the computer system. Say the status.

Hereinafter, a control method of a computer system according to a specific embodiment of the present invention having the above configuration will be described in detail with reference to the accompanying drawings.

2 is a flowchart illustrating a control method of a computer system according to a first embodiment of the present invention. FIG. 3 is a flowchart illustrating a control method of a computer system according to a second embodiment of the present invention. 4 is a configuration diagram showing a data structure of a general VoIP packet.

As shown in FIG. 2, the method for controlling a computer system according to the first embodiment of the present invention starts from step S200 in which the computer system 100 enters a system power off state or a system standby mode state.

Here, the system power-off state or the system standby mode state of the computer system 100 is the same as that described in the computer system according to a specific embodiment of the present invention with reference to FIG. 1.

Even when the computer system 100 enters the system power off state or the system standby mode state as described above, the power supply unit 30 continues to supply power to the Internet telephone unit 20 (S210). In this case, the Internet telephone unit 20 includes the Internet module 21, the controller 22, and the audio I / O 23, as described above, and the input unit 24 and the screen output unit. (25) may be further included.

In this case, the input unit 24 may be replaced with the keyboard 12, and the screen output unit 25 may be replaced with the main LCD in the video I / O 13. In this case, the power supply unit 30 may continue to supply power to the keyboard 12 and the main LCD.

The internet module 21 periodically communicates with the AP detected at the shortest distance by using the power supplied by the power supply unit 30 (S220). This is the same as when the computer system 100 is in the system power-on state.

Meanwhile, the Internet module 21 periodically communicates with the AP, whereby the location of the computer system 100 is exposed on the IP network. Therefore, when a call request signal is received from the caller, the VoIP packet is received by the Internet module 21 through the AP which the Internet module 21 finally communicated with (S230).

Alternatively, when the computer system 100 becomes the caller side in step 230, the VoIP packet is transmitted from the Internet module 21 of the computer system 100 to the IP network.

Here, the VoIP packet signal received by the Internet module 21 is amplified and demodulated in the Internet module 21, and converted into a voice signal again according to the command of the controller 22, so that the audio I / O 23 It is output as voice data.

When the audio I / O 23 receives the voice data of the user, the audio I / O 23 is converted into an electric signal according to the command of the controller 22, and is again modulated into a VoIP packet signal by the Internet module 21 to the receiver side. Is sent.

In this case, the VoIP packet may be loaded with various data in various formats related to Internet telephony, such as image data, image data, and text data, as well as signals converted from voice data.

In this case, the various data are inputted and outputted through the video I / O 13, the keyboard 12, the input unit 24, the screen output unit 25, and the like.

And as above, a general call processing procedure such as call connection and call release is performed from the call request (S240) and a call is made between the caller and the receiver.

On the other hand, as shown in Figure 3, the control method of the computer system according to the second embodiment of the present invention, the step of entering the standby mode, such as the system mode of the computer system 100 S3 of the ACPI power management class It starts from (S300).

In addition, step 300 may start from entering the power off mode of the system.

And even in the above state, the power supply unit 30 continues to supply power to the Internet telephone unit 20 (S310). On the other hand, in step 310, the power supply is not supplied to the entire Internet telephone unit 20, but may be controlled to be supplied only to the Internet module 21 and the controller 22.

In addition, the Internet module 21 performs a periodic communication with the access point of the shortest distance among the detected access point (S320).

When the signal is received by the Internet module 21, the controller 22 determines whether the received signal is a VoIP packet (S330, S340).

In this case, the controller 22 may determine whether the received signal is a VoIP packet by various methods. For example, a signal received using the computer system 100 as a destination in the state where the computer system 100 is in the standby mode may include a VoIP packet signal having the computer system 100 at a receiver side; Under the premise that there is only a periodic communication signal between the Internet module 21 and the AP, the method may determine whether the packet is a VoIP packet by analyzing the length or characteristics of the two packets.

Or by transmitting bit information distinguished from a general internet signal in a header area of a transmitted VoIP packet, and receiving the bit information from the header area of a received VoIP packet to determine whether the received signal is a VoIP packet. It may be.

In this case, the VoIP packet is composed of an IP header, a UDP header, and a payload as in the structure of a general IP packet as shown in FIG. Here, the bit information may be loaded in an option field or a padding field of the IP header area.

In this case, the option field and the padding field are areas that can be added in the IP header area and are areas in which the number of bits is not constant. The option field is an area in which additional information other than basic information such as security and authentication information is loaded, and the padding field is a bit such that the IP header area is a multiple of 32 bits when the option field is not a multiple of 32 bits. This is an area to fill in more to match the numbers.

Therefore, before transmitting the VoIP packet from the Internet module 21, the controller 22 designates a specific field in the option field or the padding field of the IP header area to indicate that the transmitted packet corresponds to the VoIP packet. You can load bit information.

The controller 22 at the receiving side may read bit information from the specific field specified in the option field or the padding field and recognize that the received packet is a VoIP packet.

When it is detected that the received packet is a VoIP packet as a result of performing step 340, the controller 22 changes the power supply state of the system through communication with the power supply unit 30 (S350). That is, when the VoIP packet is received by the Internet module 21, the user can perform a telephone call-related operation on the computer during the telephone call by changing the system mode from the standby mode or the power off mode to the power-on state.

On the other hand, if it is controlled to supply power only to the Internet module 21 and the controller 22 in step 310, step 350 may be performed by changing the system mode of the entire computer system 100. It may be performed by supplying power to the entire Internet telephone unit 20.

That is, when the reception of the VoIP packet is detected in the state of supplying power only to the Internet module 21 and the controller 22 to prevent unnecessary power consumption, the Internet phone unit 20 or the computer system 100 is transmitted. Power can be provided to enable telephone calls.

In step S360, the call processing procedure is performed by performing an operation on the received VoIP packet.

On the other hand, if it is determined that the signal received in step 340 is not a VoIP packet, if it is possible to process the input signal in the state of maintaining the current system mode (S370), it is processed, it is impossible to process in the current system mode If this is to be ignored (S380).

When the call processing procedure is finished in step 360, the system mode may be changed back to the state before the mode change.

The rights of the present invention are not limited to the embodiments described above, but are defined by the claims, and those skilled in the art can make various modifications and adaptations within the scope of the claims. It is self-evident.

In the digital television with a PC according to the present invention as described in detail above, the following effects can be expected.

That is, since the Internet phone can be dialed / out even without the power on / off control of the computer system, the convenience of using the Internet phone service using the computer system is increased.

In addition, the computer system and a control method thereof according to the present invention have the advantage that the telephone system can be received even in the system power-off state or the standby mode, so that the computer system does not need to be turned on, thereby preventing unnecessary computer power consumption.

Claims (17)

An internet module for transmitting and receiving and processing various signals including VoIP packets through a communication network based on the Internet; Audio I / O for inputting and outputting voice signals; And And a controller for outputting a voice signal through audio I / O according to the VoIP packet signal received from the internet module or outputting a VoIP packet signal through the internet module according to the voice signal input to the audio I / O. Internet phone book with: And a power supply unit for supplying power to the Internet telephone unit even in a system power off state and a system standby mode. The method of claim 1, The internet module is a wireless internet module; And said computer system is a portable computer. The method of claim 2, The wireless Internet module is a computer system for providing an Internet phone service, characterized in that the WiBro (Mobile Wimax) module or Mobile Wimax (Mobile Wimax) module. The method of claim 3, wherein And said internet module periodically communicates with an access point. The method of claim 4, wherein The internet module and the audio I / O, A computer system for providing an Internet telephony service, which operates under the control of a system main controller when the system is powered on. The method according to claim 4 or 5, The Internet telephone unit provides an Internet telephone service, characterized in that further comprises an input unit for receiving a user's command. The method of claim 6, And the input unit is a keyboard of the computer system. The method of claim 6, And the input unit is provided with a separate touch panel on an outer surface of the computer system. The method of claim 6, The Internet telephone unit, And a screen output unit configured to output internet telephone related information on an outer surface of the computer system. The method of claim 9, The Internet phone related information, Computer system providing an Internet telephone service, characterized in that it comprises at least one of a receiving number, calling number, SMS message, call time. The method of claim 6, The Internet telephone unit, And a video I / O for inputting / outputting an image signal. The method of claim 6, The controller, And detecting that the VoIP packet is received by the Internet module in the standby mode, and controlling the computer system to be in a power-on state in the standby mode. The method of claim 12, The controller, Displaying bit information in the output VoIP packet header area so as to determine the VoIP packet; And detecting the bit information in a header area of an input VoIP packet to determine that the packet is a VoIP packet. A computer system comprising an internet module for transmitting and receiving various signals including a VoIP packet and processing signals through a communication network based on the internet, and an internet telephone unit including a controller for controlling the internet module. Maintaining power supply to the Internet telephone unit even in a system power-off or system standby mode; Periodically communicating between the Internet module and an access point; Receiving a VoIP packet from the Internet module or detecting an input of a user's call command; And And performing the call processing step by step of the controller. The method of claim 14, The control method of the computer system for providing the Internet telephone service, Determining whether a signal received by the Internet module is a VoIP packet; And if it is determined that the received signal is a VoIP packet, changing the mode of the computer system to a system power-on state. The method of claim 15, Determining whether the signal received by the Internet module is a VoIP packet, A control method of a computer system for providing an Internet telephony service, which is performed by detecting bit information for VoIP packet determination in a header region of a received packet. The method of claim 15, And changing the mode back to the system power-off or system standby mode when the call processing procedure is completed.
KR1020070075279A 2007-07-26 2007-07-26 Computer system for providing internet telephone service and method of controlling thereof KR20090011576A (en)

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