KR102223748B1 - Voice over Internet Protocol Phone supporting Ethernet tethering and Internet service method using the same - Google Patents

Abstract

Disclosed are an Internet phone capable of supporting Ethernet tethering and an Internet service method using the same. The Internet phone according to an embodiment determines whether an Ethernet cable is connected to an Ethernet port and whether it is connected to the WAN. According to the determination result, a predetermined function among functions of the wired Internet phone, the wireless Internet phone, and the Ethernet tethering support phone is performed.

Description

Internet phone supporting Ethernet tethering and Internet service method using the same {Voice　over　Internet　Protocol Phone supporting Ethernet tethering and Internet service method using the same}

The present invention relates to Internet telephony.

Internet telephony (Voice　over　Internet　Protocol: VoIP) is a technology that converts and transmits voice into digital packets (the smallest unit of data transmission) through a network using 　IP　 addresses. VoIP service is a packet data communication that carries voice signals as packet data between transceivers.

Recently, smart offices are increasingly connecting to the Internet through a Wi-Fi network without an Ethernet cable, but computers without a Wi-Fi connection function connect to the Internet by attaching a wireless LAN device.

According to an embodiment, an Internet telephone capable of supporting Ethernet tethering and an Internet service method using the same is proposed so that a computer can directly connect via Ethernet to use the Internet without attaching a wireless LAN device.

A service method using an Internet phone according to an embodiment determines whether an Ethernet cable is connected to an Ethernet port and whether the Internet phone is connected to a WAN, and according to the determination result, a wired Internet phone, a wireless Internet phone, and Ethernet tethering. And performing a predetermined function among supported telephone functions.

The steps of performing a predetermined function include checking whether an Ethernet cable is connected to the Ethernet port, activating the Ethernet interface when the Ethernet cable is connected to the Ethernet port, determining whether to connect to the WAN, and determining whether to connect to the WAN. When connected, performing a wired Internet telephone function, and when not connected to a WAN, performing an Ethernet tethering supported Internet telephone function.

In the step of determining whether to connect to the WAN, if an ARP packet is sent and a response is received during Ethernet connection, it can be determined as a WAN connection. In the step of determining whether to connect to the WAN, after connecting the Ethernet cable to the Ethernet port, you can select whether the network connection service is WAN or tethering from the GUI menu.

The steps of performing the Ethernet tethering support Internet phone function include setting up NAT when not connected to the WAN, checking whether VoIP service is in progress after running a DHCP server, and continuing VoIP service if the VoIP service is in progress. If it continues and is not in the VoIP service, it may include supporting an Ethernet tethering service.

At the stage of supporting the Ethernet tethering service, the Internet phone is connected to a computer that is not connected to the Internet through an Ethernet cable, and the Wi-Fi AP is connected through a Wi-Fi network. If the computer is connected through Ethernet, Ethernet tethering is performed. Through the Wi-Fi network, you can provide Internet service to your computer.

The Internet phone service method may further include performing a wireless Internet phone function that provides an Internet service through a Wi-Fi network when an Ethernet cable is not connected to the Ethernet port.

In a computer without Wi-Fi connection function, a wireless LAN device is attached to the Internet, which is an external network. However, by providing an Ethernet tethering function to the Internet phone used in the office, Ethernet directly from the computer without adding a wireless LAN device. Internet access service can be provided by connecting with.

1 is a diagram showing the configuration of an Internet service system according to an embodiment of the present invention;
2 is a diagram showing the configuration of an Internet telephone according to an embodiment of the present invention;
3 is a diagram illustrating a flow of an Internet service method according to an embodiment of the present invention.

Advantages and features of the present invention, and a method of achieving them will become apparent with reference to the embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only these embodiments make the disclosure of the present invention complete, and the general knowledge in the technical field to which the present invention pertains. It is provided to completely inform the scope of the invention to the possessor, and the invention is only defined by the scope of the claims. The same reference numerals refer to the same elements throughout the specification.

In describing embodiments of the present invention, if it is determined that a detailed description of a known function or configuration may unnecessarily obscure the subject matter of the present invention, a detailed description thereof will be omitted, and terms to be described later are These terms are defined in consideration of the functions of the user and may vary according to the intention or custom of users or operators. Therefore, the definition should be made based on the contents throughout the present specification.

Combinations of each block of the attached block diagram and each step of the flowchart may be executed by computer program instructions (execution engine), and these computer program instructions are executed on the processor of a general purpose computer, special purpose computer or other programmable data processing equipment. As can be mounted, the instructions executed by the processor of a computer or other programmable data processing equipment generate means for performing the functions described in each block of the block diagram or each step of the flowchart.

These computer program instructions may also be stored in a computer-usable or computer-readable memory that can be directed to a computer or other programmable data processing equipment to implement a function in a particular manner, so that the computer-usable or computer-readable memory. It is also possible to produce an article of manufacture in which the instructions stored in the block diagram contain instruction means for performing the functions described in each block of the block diagram or each step of the flowchart.

In addition, since computer program instructions can be mounted on a computer or other programmable data processing equipment, a series of operation steps are performed on a computer or other programmable data processing equipment to create a computer-executable process. It is also possible that the instructions for performing the data processing equipment provide steps for executing the functions described in each block of the block diagram and each step of the flowchart.

In addition, each block or each step may represent a module, segment, or part of code containing one or more executable instructions for executing specified logical functions, and in some alternative embodiments mentioned in the blocks or steps. It should be noted that it is also possible for functions to occur out of order. For example, two blocks or steps shown in succession may in fact be performed substantially simultaneously, and the blocks or steps may be performed in the reverse order of a corresponding function as necessary.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the embodiments of the present invention exemplified below may be modified in various other forms, and the scope of the present invention is not limited to the embodiments described below. Embodiments of the present invention are provided to more completely describe the present invention to those of ordinary skill in the art to which the present invention pertains.

1 is a diagram showing the configuration of an Internet service system according to an embodiment of the present invention.

Referring to FIG. 1, the Internet service system 1 includes an Internet telephone 2, a Wi-Fi AP 3, a computer 4, and the Internet 5.

Internet Phone (Voice 　over 　 Internet 　 Protocol Phone) (2) is capable of Wi-Fi and Ethernet connection. It is a phone that operates as a wireless Internet phone when connected to a Wi-Fi network, a wired Internet phone when connected to an Ethernet, and as an Ethernet tethering device when the computer 4 is connected to an Ethernet port through an Ethernet cable. The Ethernet port may be an RJ-45 port.

The Internet phone 2 operates as a wireless Internet phone by activating the Wi-Fi connection function when Ethernet is not connected to the Ethernet port. For example, the Internet phone 2 is connected to the Internet 5 through a nearby Wi-Fi AP 3 to receive an IP-based voice service. When the Internet phone 2 is connected to an Ethernet port through a wide area network (WAN, hereinafter referred to as'WAN'), it operates as a wired Internet phone. On the other hand, when the computer 4 is connected to the Ethernet port through Ethernet, it operates as an Internet phone supporting Ethernet tethering. Even when a local area network (LAN) is used instead of a WAN, the role of the Internet telephone 2 is determined in the same manner as whether or not a WAN is connected depending on whether or not the LAN is connected. Hereinafter, in the present specification, the WAN will be mainly described.

The Internet phone 2 operates as a wireless phone when an Ethernet cable is not connected to the Ethernet port. In contrast, when an Ethernet cable is connected to the Ethernet port, it operates as a wired Internet phone or an Internet phone supporting Ethernet tethering. When an Ethernet cable is connected, it automatically determines whether there is a WAN connection, and when connected to a WAN, it operates as a wired Internet phone, and when not connected to a WAN, it operates as an Internet phone supporting Ethernet tethering. At this time, the computer 4 can access the Internet via Wi-Fi through Ethernet tethering supported by the Internet phone 2.

Recently, smart offices are increasingly connecting to the Internet through a Wi-Fi network without an Ethernet cable, but computers without a Wi-Fi connection function connect to the Internet, which is an external network by attaching a wireless LAN device. By providing the Ethernet tethering function to the Internet phone 2 used in the office, it is possible to receive an Internet connection service by directly connecting to the computer 4 via Ethernet without adding a wireless LAN device.

2 is a diagram showing the configuration of an Internet telephone according to an embodiment of the present invention.

1 and 2, the Internet phone 2 includes a processor 100, a display 102, an input unit 104, a PHY module 106, an Ethernet transformer 108, and an Ethernet connector. Connector) 110, wireless communication module 112, audio codec 114, memory 118, ear jack 120, handset 122, speaker (SPK) 124 and microphone (MIC) ) (126).

The display 102 provides a destination number display, a phone book, a text message transmission and reception, and various functions when a corresponding function is activated through a menu selection. Display 102 may be a TFT color LCD.

The input unit 104 is an input interface and is composed of 3×4 numeric keys, left and right arrows, a soft key for menu selection, a function key for additional services, and the like.

The PHY module 106, the Ethernet transformer 108, and the Ethernet connector 110 are modules that provide an Ethernet connection function. The Ethernet connection function includes a wired Internet telephone function through a WAN and an Ethernet tethering support function that provides Internet service through a Wi-Fi network by connecting the computer 4 through Ethernet tethering. The Ethernet connector 110 includes an Ethernet port, and an Ethernet cable may be connected to the Ethernet port.

The wireless communication module 112 connects to the Internet 5 using a wireless communication network. Wireless communication networks include Wi-Fi networks and Bluetooth networks. In the present specification, a Wi-Fi network is mainly described, but is not limited thereto. The wireless communication module 112 may access the Wi-Fi AP 3 using a Wi-Fi connection function to receive an Internet service.

The processor 100 provides functions of the Internet phone 2, that is, a wired Internet phone, a wireless Internet phone, and an Ethernet tethering support phone function. In order to determine a predetermined function, the processor 100 determines whether an Ethernet cable is connected to the Ethernet port or whether it is connected to a WAN. A detailed algorithm of the processor 100 will be described later with reference to FIG. 3.

In the memory 118, information for performing an operation of the Internet telephone 2 or information generated according to the operation is stored. Examples of the memory 124 include DDR memory, flash memory, and the like.

When making a voice call through the Internet telephone 2, the voice signal received through the microphone (MIC) 126 is transmitted to the outside, and the voice signal is received from the outside and output through the speaker (SPK) 124. The audio codec 114 audio-processes an audio signal received through a microphone (MIC) 124 or an audio signal to be output through a speaker (SPK) 124. Audio processing includes audio data compression and the like. The user receives a voice through the handset 122 or transmits a user voice.

3 is a diagram illustrating a flow of an Internet service method according to an embodiment of the present invention.

1 and 3, after the Internet phone 2 is activated (300), when the Wi-Fi interface (wlan0) is activated (Wi-Fi interface (wlan0) UP) 302, the Wi-Fi is automatically The Fi AP 3 is searched (Search Wi-Fi AP) 304. At this time, when the Wi-Fi AP 3 is found, the Wi-Fi AP 3 is accessed and connected (Association/Connect) 306. When connected to and connected to the Wi-Fi AP 3, an IP is set (308). There are two types of IP: dynamic (DHCP) IP and static (STATIC) IP.

Subsequently, the Internet telephone 2 checks whether an Ethernet cable is connected to an Ethernet port (eg, an RJ-45 port) (310). At this time, if the Ethernet cable is not connected to the Ethernet port, the Internet phone 2 provides a VoIP service after registering a SIP (Session Initiation Protocol) 312 (314). When the Ethernet cable is not connected to the Ethernet port, the Internet phone 2 performs a wireless Internet phone function that provides Internet service through a Wi-Fi network.

On the other hand, when an Ethernet cable is connected to the Ethernet port, the Internet phone 2 performs a wired phone function or an Internet phone function supporting Ethernet tethering. That is, when Ethernet is connected to the Ethernet port, it automatically operates as a wired Internet phone when connected to the WAN, and as an Internet phone supporting Ethernet tethering when not connected to the WAN.

More specifically, in step 310 of checking whether an Ethernet cable is connected to the Ethernet port, when the Ethernet cable is connected to the Ethernet port, the Ethernet interface (eth0) is activated (Ethernet Interface (eth0) UP) 320, and the WAN It is determined whether to connect (322). The method of determining whether to connect to a WAN is to transmit an address resolution protocol (ARP) packet when connecting to an Ethernet, and when a response is received, it is determined as a WAN connection. As an auxiliary means, after connecting the Ethernet cable to the Ethernet port, you can select whether the network connection service is WAN or tethering from the GUI (Graphical User Interface) menu.

At this time, when connected to the WAN, the Internet phone 2 performs a wired phone function, and after setting an IP 324, it is connected to the WAN through Ethernet to provide a VoIP service.

On the other hand, when not connected to the WAN, the Internet phone 2 performs a tethering support Internet phone function, and provides Internet service through a Wi-Fi network by connecting the computer 4 through Ethernet tethering. For example, if the Internet phone (2) is not connected to the WAN, set up NAT (Network Address Translation) (eth0) (330), run the DHCP server (eth0) (332) and check whether VoIP service is in progress. Do (334). At this time, if the VoIP service is in progress, the VoIP service continues (314), and if the VoIP service is not in progress, the Ethernet Tethering Service is supported (336). Through the Ethernet tethering service support (336), the Internet phone (2) is connected to a computer (4) that is not connected to the Internet through an Ethernet cable, and the Wi-Fi AP (3) is connected to a computer through a Wi-Fi network. When (4) is connected through Ethernet, Internet service is provided to the computer (4) through a Wi-Fi network through Ethernet tethering. At this time, data is transferred between the Wi-Fi interface (wlan0) and the Ethernet interface (eth0) (Data Transfer: eth0<->wlan0).

So far, the present invention has been looked at around the embodiments. Those of ordinary skill in the art to which the present invention pertains will be able to understand that the present invention may be implemented in a modified form without departing from the essential characteristics of the present invention. Therefore, the disclosed embodiments should be considered from an illustrative point of view rather than a limiting point of view. The scope of the present invention is shown in the claims rather than the above description, and all differences within the scope equivalent thereto should be construed as being included in the present invention.

Claims (7)

In the service method using an internet phone, the internet phone:
Checking whether an Ethernet cable is connected to the Ethernet port;
When the Ethernet cable is connected to the Ethernet port, activating the Ethernet interface, and determining whether to connect to the WAN automatically;
Performing a wired Internet telephone function when connected to the WAN;
If it is not connected to the WAN, it performs the Ethernet tethering support Internet phone function, and the Internet phone is connected to a computer without a wireless LAN device through an Ethernet cable, and a Wi-Fi AP is connected through a Wi-Fi network, so that the computer can use Ethernet Providing an Internet service to a computer through a Wi-Fi network through Ethernet tethering when connected through; And
If the Ethernet cable is not connected to the Ethernet port, performing a wireless Internet telephone function providing Internet service through a Wi-Fi network;
Internet telephone service method comprising a. delete The method of claim 1, wherein determining whether to access the WAN
An Internet telephone service method, characterized in that when an ARP packet is transmitted and a response is received during Ethernet connection, it is determined as a WAN connection. The method of claim 1, wherein determining whether to access the WAN
Internet telephone service method, characterized in that after connecting an Ethernet cable to an Ethernet port, a user selects whether a network connection service is WAN or tethering from a GUI menu. The method of claim 1, wherein performing the function of an Internet telephone supporting Ethernet tethering
Setting a NAT when not connected to the WAN;
Checking whether a VoIP service is in progress after running a DHCP server; And
Continuing the VoIP service if the VoIP service is in progress, and supporting an Ethernet tethering service if the VoIP service is not in progress;
Internet telephone service method comprising a. The method of claim 5, wherein supporting the Ethernet tethering service
Internet When the phone is connected to a computer that is not connected to the Internet through an Ethernet cable and a Wi-Fi AP is connected through a Wi-Fi network, and the computer is connected through Ethernet, the Internet is connected to the computer through the Wi-Fi network through Ethernet tethering. Internet telephone service method, characterized in that providing a service. delete

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