KR20020048173A - Apparatus for processing a call in a public switched telephone instrument in parallel with internet telephone/key phone instrument and method therefor - Google Patents

Abstract

PURPOSE: A telephone structure capable of performing PSTN(Public Switched Telephone Network), VoIP(Voice over Internet Phone), keyphone connections and the call processing method thereof are provided to possess PSTN and VoIP integrally. CONSTITUTION: A local line matching unit(100) performs a matching function with a central office. A relay(120) performs a connection function that any one among a CODEC processing unit(220)/a ring control unit(130)/a DTMF control unit(140)/a call circuit unit(170) is connected to the local line matching unit(100). The ring control unit(130) generates a ring signal under the control of a microprocessor(300), drives a speaker(150). A DTMF control unit(140) detects and generates a DTMF signal. A key input unit(160) generates a key signal according to the command of the user or a number input action and then applies the signal to the microprocessor(300). A communication circuit unit(170) processes a signal from a local line(400)/a ring control unit(130)/a CODEC processing unit(220) and then drives a receiver(200). An output unit(180) displays graphically the contents for notifying in the key input or the telephone. Therefore, the telephone makes a telephone call of PSTN and VoIP telephone call in LAN(Local Area Network), and manage various call like keyphone.

Description

FIELD OF PROCESSING A CALL IN A PUBLIC SWITCHED TELEPHONE INSTRUMENT IN PARALLEL WITH INTERNET TELEPHONE / KEY PHONE INSTRUMENT AND METHOD THEREFOR}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone structure and a method of operation thereof, and more particularly, to a public switched telephone network (hereinafter referred to as PSTN), an internet phone (hereinafter referred to as VoIP), and a key phone function. It relates to a parallel telephone structure and a method of processing the call.

Due to the recent development of the electronic communication field and the rapid spread of the Internet, the Internet is becoming a living in all his homes and workplaces, and this trend is expected to continue.

The rapid dissemination and development of the Internet has created a variety of Internet life cultures, such as VoIP.

VoIP is a device that allows a telephone call to be performed on a terminal, for example, a PC, through an internet network, not a general trunk line network, and is widely used because of a lower call rate than a PSTN.

By the way, conventionally, such VoIP telephone technology and PSTN telephone technology existed independently.

That is, in order to connect a general trunk line with an Internet phone, a corresponding device, that is, a PSTN phone and a VoIP, must be separately provided, which causes inconvenience in use and additional cost.

Accordingly, the present invention has been made to solve the above-mentioned problem, and is provided with a PSTN and VoIP integrally to perform the call processing and at the same time to interoperate the phone call of the PSTN and the VoIP phone call on the LAN to make various calls such as key phones The purpose of the present invention is to provide a telephone structure and a call processing method for a public circuit switched telephone network, an internet telephone, and a keyphone connection, which eliminates the inconvenience of using various telephones, depending on the telephone network used.

According to an embodiment of the present invention for achieving the above object, in the telephone structure of a public circuit switched telephone network, Internet telephone, keyphone connection in parallel, a trunk line matching unit for performing a matching function with the trunk line; A ring controller for generating a ring to drive a speaker; A DTMF control unit for detecting a DTMF signal and generating a DTMF signal; A speaker for converting an electrical signal into an audible signal; A key input unit for inputting a command or a number; An output unit for displaying a key input or a content to be announced by the telephone to the outside; A memory for storing information such as initial data / telephone number database configuration / IP address / routine table for driving the telephone; A handset for converting an audible signal into an electrical signal and converting the audible signal into an audible signal; A hook-off detector for detecting a hook-off of the handset; A codec processor for compressing the electrical voice signal and converting the compressed data into an electrical signal; An echo canceller for removing echo sound and adjusting the electrical signal level on the call line; A protocol analyzer for generating or analyzing an internet protocol to find out its meaning; An Ethernet matching unit which is responsible for matching with its own network configuration line and an external Internet path; A protocol conversion unit for converting a protocol for internal network access; A lookup processing unit for finding a destination point of a received Internet packet using routine data stored in a memory; A relay which performs a function of connecting any one of a codec processing unit, a ring control unit, a DTMF control unit, and a call circuit unit with a trunk line matching unit; A call circuit unit which processes signals from a trunk line, the ring control unit and a codec processing unit to drive a handset; A public circuit switched telephone network, an internet telephone, and a key phone connection, comprising a microprocessor for controlling the internal functions of the telephone, are included.

In addition, according to another embodiment of the present invention, in the method for processing an outgoing call to the internal network configuration terminal using a speed dial number in the telephone of the telephone structure according to the present invention, a hook off signal is generated by the hook off of the receiver A first step of notifying that the hook is off, connecting the ring control unit by controlling the relay and the call circuit unit, and supplying a dial tone from the ring control unit; It is determined whether an extension shortcut key or an extension number is input through the key input unit, and when a key signal input by the user's input action proceeds, the extension number is output through the output unit, and the DTMF control unit and the relay are controlled to input the key. A second step of providing a tone and transmitting an internet address corresponding to the input extension number to a protocol conversion unit; A third step of generating a VOIP call setup packet including an internal network destination IP address from the protocol conversion unit, transferring the packet to the Ethernet matching unit, and transmitting the packet from the Ethernet matching unit to the internal LAN line; When the response signal is received through the internal LAN line, the protocol analyzer analyzes the protocol, and at the same time, the lookup processing unit checks whether the call destination of the protocol is a telephone. As a result of the check, the called terminal is processing normally. Transmitting a normal message reception state to the microprocessor if the message is confirmed as a message; Controlling a ring control unit and a relay to provide a ring back tone; If another packet sent from the internal LAN line to the protocol analyzer via the Ethernet matching unit is determined to be a call connection packet, the protocol analyzer determines whether the call destination of the protocol is a telephone by the lookup processing unit, and checks the state of receiving a normal call connection message. A sixth step of controlling the ring control unit and the relay in the microprocessor to cut the ring back tone, and controlling the codec processing unit and the call circuit unit in the microprocessor to form a call path between the internal LAN line and the handset; A seventh step of storing the extension call state in the memory for the connected destination address, and transferring the normal message reception state from the protocol analyzer to the protocol conversion unit; An eighth step of generating, by the protocol converter, a connection confirmation message including a destination address and transmitting a connection confirmation message to the internal LAN line through the Ethernet matching unit; After performing the eighth step, it is determined whether the logical channel connection request message is received from the internal LAN line, and when the logical channel connection is requested, the protocol is transmitted from the Ethernet matching unit to the protocol analysis unit and the protocol analysis unit is requested. If it is determined that the analysis result is a logical channel connection request by analyzing the protocol and confirming that the call destination of the protocol is a telephone, the result is transmitted to the protocol conversion unit, and the protocol conversion unit transfers the destination address. Generating a logical channel connection confirmation message including a ninth step and transmitting a logical channel connection confirmation message to the internal LAN line through the Ethernet matching unit; When a packet is received at the Ethernet matching unit through the internal LAN line from the connected party, the received signal is sent to the protocol analyzer to analyze the protocol, and the look-up processing unit checks whether the call point of the protocol is a telephone, and analyzes the analyzed data. A tenth step of sending the echo canceller and the codec processing unit to make voice information, and then transmitting the generated voice signal to the call circuit unit to listen to the handset; The voice information to be delivered by the handset is transmitted to the echo canceller and the codec processing unit through the call circuit unit, and the transmitted voice information is converted into the protocol converter by compressing the transmitted audio information by the echo canceller and the codec processing unit, and the transmitted data is transferred to the Internet format. It provides a call processing method of a telephone structure of a public circuit switched telephone network, an Internet telephone, and a keyphone connection, comprising an eleventh step of adding a packet type and a destination address and transferring the same to an internal LAN line through an Ethernet matching unit. .

In addition, according to another embodiment of the present invention, in the method for processing an incoming call using a speed dial number from the internal network configuration terminal to the telephone of the telephone structure according to the present invention, setting up an Internet telephone call from the terminal of the internal LAN network When the packet is received through the Ethernet matching unit, the received call setup packet is transmitted to the protocol analyzer, and the protocol analyzer analyzes the call setup packet, and reads the unique values of the destination address and call setup packet in the Internet address book. Step 1; A second step of transmitting a unique value to be read to the microprocessor and analyzing the destination point by checking whether the corresponding address matches an extension number database and a routing database prepared in a memory; If the destination address is an extension number or an internal IP address that means a phone, the microprocessor sends a control signal indicating that the destination is a phone to the protocol analyzer together with the unique value of the call setup packet, and the uniqueness of the call to the lookup processor. A third step of notifying a value and an extension number or an internal IP address and generating a ring of the telephone by notifying that there is a call coming in the ring control section, the relay and the call circuit section; A fourth step of detecting, by the protocol analyzer, an incoming call of the phone based on the information received from the microprocessor, and delivering the analyzed packet information to the protocol converter; A fifth step of, in the lookup processing unit, constructing a database of the unique value for the telephone call, the address or extension data of the called point, the incoming call of the telephone, and the like received from the microprocessor; A sixth step of generating a message indicating that the protocol conversion unit, which has received the information on the call setup packet from the protocol analysis unit, is processing a call and transmitting the message to the originating terminal by transmitting the message to the internal LAN line through the Ethernet matching unit; When the hook-off detection unit detects the hook-off of the handset, the microprocessor notifies the hand-off state of the handset to the microprocessor, and sends a ring signal truncation signal to the ring control unit from the microprocessor to cut the ring signal while talking to the codec processing unit. A seventh step of controlling the circuit unit to connect a call path between the internal LAN line and the handset and to notify the protocol conversion unit that the microprocessor is hooked off; An eighth step of generating a call connection message in a protocol conversion unit in response to the hook-off notification signal and transmitting the call connection message to an internal LAN line through an Ethernet matching unit; A ninth step of requesting protocol analysis by transmitting a response packet from the Ethernet matching unit to the protocol analyzer if the response message in the eighth step is received through the internal LAN line; When the protocol analysis unit analyzes the protocol and checks whether the call destination of the protocol is a telephone by the lookup processing unit, and the result of the call connection confirmation message is transmitted, the normal message reception state is transmitted to the microprocessor. While storing information about the connected destination address in the memory, the protocol analyzer delivers the normal message reception status to the protocol converter, and the protocol converter generates a logical channel connection request message including the originating address through the Ethernet matcher. A tenth step of sending a logical channel connection request message to the internal LAN line; When the response message in step 10 is received through the internal LAN line, the Ethernet matching unit sends a response packet to the protocol analyzer to request protocol analysis, and the protocol analyzer analyzes the protocol and the call-up processor receives the protocol. An eleventh step of switching, by the protocol analyzer, to a voice data signal reception state when the result of the analysis through the process of checking whether the point is the telephone is a logical channel connection confirmation message; When a packet is received at the Ethernet matching unit through the internal LAN line from the connected party, the received signal is sent to the protocol analyzer to analyze the protocol, and the look-up processing unit checks whether the call point of the protocol is a telephone, and analyzes the analyzed data. A twelfth step of sending the echo canceller and the codec processing unit to make voice information, and then transmitting the generated voice signal to the call circuit unit to listen to the handset; The voice information to be delivered by the handset is transmitted to the echo canceller and the codec processing unit through the call circuit unit, and the transmitted voice information is converted into the protocol converter by compressing the transmitted audio information by the echo canceller and the codec processing unit, and the transferred data is transferred to the Internet format. It provides a call processing method of a telephone structure of a public circuit switched telephone network, an Internet telephone, and a keyphone connection, comprising a thirteenth step of adding a packet type and a destination address and delivering the packet to the internal LAN line through an Ethernet matching unit. .

In addition, according to another embodiment of the present invention, in the call processing method using a short number between the internal network configuration terminal of the telephone structure, after the incoming call is analyzed by the microprocessor, a call to the lookup processing unit from the microprocessor A first step of notifying a unique value of the call setup packet and an extension number and an internal IP address of the called terminal, and transmitting a signal for notifying the terminal of the internal LAN network together with the unique value of the corresponding call setup packet to the protocol analyzer; A second step of configuring a database such as the unique value for the telephone call, the extension number data and the address of the called point, the address and extension of the originating point, and the terminal called on the internal LAN network by using the information received from the microprocessor by the lookup processor; ; The protocol analyzer detects the incoming terminal of the internal LAN network with the information received from the microprocessor, and transmits the packet information and the IP address to be transmitted to the protocol conversion unit along with the message to be delivered to the terminal of the internal LAN network. A third step; A fourth step of converting, by the protocol converting unit, the extension number written in the packet into the IP address of the called terminal existing in the internal LAN network and transmitting the extension number written in the packet to the internal LAN line through the Ethernet matching unit; A fifth packet which transmits the packet received from the internal LAN line to the protocol analyzer through the Ethernet matching unit, analyzes the protocol and checks the IP address of the terminal of the internal LAN network to which the packet is to be delivered by the lookup processor and transmits the packet to the protocol conversion unit. Steps; And a sixth step of converting the extension number written in the packet into the IP address of the called terminal existing in the internal LAN network based on the information received from the protocol analyzer in the protocol conversion unit, and transmitting it to the internal LAN line through the Ethernet matching unit. It provides a call processing method of the telephone structure of a public circuit switched telephone network, an Internet telephone, a key phone connection, characterized in that.

Further, according to another embodiment of the present invention, in the outgoing call processing method through the external Internet line between the internal network configuration terminal of the telephone structure, the microprocessor to analyze the incoming point, and then the call from the microprocessor to the lookup processing unit A first signal for notifying the unique value of the call setup packet and the extension number and the internal IP address of the calling terminal, and transmitting a signal to the protocol analyzer together with the unique value of the corresponding call setup packet to indicate that the called point is a terminal in an external network. Steps; A second step of, in the lookup processing unit, constructing a database such as a unique value for the telephone call, the extension number data and the address of the originating point, the address of the called point, and the terminal called on the external network with information provided from the microprocessor; A third step of detecting, by the protocol analyzer, the terminal incoming of the external internet network with the information provided from the microprocessor, and delivering the analyzed packet information and the like to the protocol conversion unit together with a message to be delivered to the terminal of the external internet network; Based on the information received from the protocol analyzer, the protocol converter converts the source IP address written in the packet into a representative IP address known to the external network, such as a telephone address, and transmits the call setup packet by transmitting it to the external line through the Ethernet matching unit. A fourth step of making; The packet is provided to the protocol analyzer through the Ethernet matching unit through an external line, and the protocol analyzer analyzes the protocol of the packet and distinguishes that the packet is delivered to the terminal of the internal LAN by the unique value of the packet in the lookup processor. A fifth step of identifying an IP address or an internal number of a terminal of an internal LAN network and transmitting the same to a protocol conversion unit; The protocol conversion unit converts the IP address of the destination point written in the packet into the IP address or extension number of the terminal existing in the internal LAN network based on the information received from the protocol analysis unit, and transmits the call to the internal LAN line through the Ethernet matching unit. A sixth step of processing the packet received from the external line after the establishment packet; The packet is provided to the protocol analyzer via the Ethernet matching unit through the internal LAN network line, and the protocol analyzer analyzes the protocol of the packet and distinguishes that the packet is delivered to the terminal of the external network by the unique value of the packet in the lookup processor. And a seventh step of identifying a representative IP address announced to the external network for the internal LAN line and delivering the representative IP address to the protocol conversion unit; Based on the information received from the protocol analysis unit, the protocol conversion unit converts the IP address or extension number of the transmission point written in the packet into a representative IP address announced to the external network, and transmits it to the external line through the Ethernet matching unit. And a eighth step of processing a packet to be transmitted to an external line in a call structure of a telephone structure in parallel with a public switched telephone network, an Internet telephone, and a keyphone connection.

Further, according to another embodiment of the present invention, in the outgoing call processing method through the external Internet line of the telephone structure, the hook off detector determines the hook off of the handset, and if the handset is hooked off, the hook off detector A first step of informing the microprocessor that the phone has been hooked off; A second step of operating a relay and a call circuit unit in the microprocessor to connect the ring control unit, while supplying a dial tone from the ring control unit; The microprocessor determines whether the Internet address input mode key signal is applied from the key input unit, and when the Internet address input mode key signal is generated, switches the phone to the Internet address standby mode and simultaneously controls the output unit to output the Internet address input message. A third step of causing; The microprocessor determines whether a predetermined internet address is input through the key input unit, and if the predetermined internet address is input by the user, causes the microprocessor to output the internet address input to the output unit, and controls the DTMF control unit and the relay to input the key tone. In the meantime, the fourth step of transmitting the input Internet address to the protocol conversion unit; A fifth step of generating, by the protocol conversion unit, an Internet telephone call including a destination address, and setting the packet to the Ethernet matching unit, and transmitting the packet to the external line by the Ethernet matching unit; A sixth step of requesting protocol analysis of the packet from the Ethernet matching unit to the protocol analyzing unit when the response message is received from the external line after the packet transmission; The protocol analysis unit analyzes the protocol and at the same time confirms that the incoming point of the protocol is a telephone by the look-up processing unit. If it is determined that the called terminal is processing normally, the normal message reception state is transmitted to the microprocessor. A seventh step of controlling, by the processor, the ring control unit and the relay to provide a ring back tone; If another packet sent from the external line to the protocol analyzer through the Ethernet matching unit is determined to be a call connection packet, the protocol analyzer determines whether the call destination of the protocol is a telephone by the lookup processing unit. To the microprocessor to control the ring control unit and the relay to cut the ring back tone, and the microprocessor controls the codec processing unit and the call circuit unit to connect the call path between the internal LAN line and the receiver. While storing the information of the destination address in the memory, the protocol analysis unit forwards the normal message reception state to the protocol conversion unit, and the protocol conversion unit generates a connection confirmation message including the destination address to send an external message through the Ethernet matching unit. By rail An eighth step of sending a quick acknowledgment message; Determining whether a logical channel connection request message is received from an external line, and when a logical channel connection is requested, requesting protocol analysis of a packet from an Ethernet matching unit to a protocol analyzer; If the protocol analysis unit analyzes the protocol and the lookup processing unit determines that the call destination of the protocol is a phone, and the result of analysis is determined to be a logical channel connection request, the result is transmitted to the protocol conversion unit. A tenth step of generating, by the conversion unit, a logical channel connection confirmation message including a destination address and transmitting a logical channel connection confirmation message to an external line through the Ethernet matching unit; After performing step 10, when the packet is received from the Ethernet matching unit through the line, the received packet is sent to the protocol analyzer to analyze the protocol, and the lookup processing unit checks whether the call point of the protocol is a telephone, and the analyzed data. Sending an echo canceller and a codec processor to make voice information, and then transmitting the generated voice signal to a call circuit unit to listen to the handset; The voice information to be delivered by the handset is transmitted to the echo canceller and the codec processing unit through the call circuit unit, and the transmitted voice information is converted into the protocol converter by compressing the transmitted audio information by the echo canceller and the codec processing unit, and the transmitted data is transferred to the Internet format. It provides a call processing method of a telephone structure of a public circuit switched telephone network, an Internet telephone, and a key phone connection, comprising a twelfth step of adding a packet type and a destination address and delivering the packet to the external line through an Ethernet matching unit.

1 is a connection block diagram between a telephone and an internal network configuration terminal according to a preferred embodiment of the present invention;

2 is a detailed block diagram of the telephone of FIG. 1;

3 is a flowchart of an outgoing (telephone → terminal) call processing process using a shortcut number between a telephone and an internal network configuration terminal according to an embodiment of the present invention;

4 is a flowchart illustrating an incoming (terminal → telephone) call processing process using a shortcut number between a telephone and an internal network configuration terminal according to another embodiment of the present invention;

5 is a flowchart of a call processing process using a shortcut number between internal network components according to another embodiment of the present invention;

6 is a flowchart of an outgoing call processing process through an internet line between internal network component terminals according to another embodiment of the present invention;

7 is a flowchart illustrating an outgoing call processing process through an internet line of a telephone according to another embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

100: phone

101, 102, 103: terminal

104, 105: VoIP

110: trunk line matching unit

120: relay

130: ring control unit

140: DTMF control unit

150: speaker

160: key input unit

170: call circuit

180: output unit

190: memory

200: handset

210: hook off detector

220: codec processing unit

230: Echo Canceller

240: protocol analysis unit

250: Ethernet matching unit

260: lookup processing unit

270 protocol conversion unit

300 microprocessor

400: trunk line

500: Internet track

600: LAN line

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

1 is a block diagram of a connection between a telephone and an internal network configuration terminal according to a preferred embodiment of the present invention. First, the telephone 100 according to the present invention includes a trunk line 400 and an external Internet line 500, and an internal LAN line 600. ) Can be connected, and if any one of them is connected, the call processing function can be performed.

As shown in Fig. 1, reference numerals 101, 102, and 103 denote computer terminals provided with phone software, and reference numerals 104 and 105 denote VoIP in the form of telephones.

At this time, the telephone 100 according to the present invention has an Internet address known to the external Internet network (not shown), and another network through the internal LAN line 600 provides an address and a shortened address that are not known to the external Internet network. I have it. The telephone 100 is an Internet address that is not known to the outside of the terminal connected to the internal LAN network, a shortcut (extension) number corresponding to an Internet address that is not known to the outside, and a telephone ( It is characterized in that each of the Internet addresses known to the outside of the database is made into a database, and the routing information of the external Internet network is made into an additional database.

In addition, these terminals 101, 102, and 103 are members of an internal LAN network and operate by being configured with addresses not known to the external Internet network. Each terminal 100 to 105 is classified according to an independent IP address system determined by an internal LAN network, and each extension number is separately assigned to the independent IP address system. Accordingly, each of the terminals 101 to 105 connected to the line 600 constituting the internal network may communicate with each other on the internal line 600 by an internal IP address or an extension number.

FIG. 2 is a detailed block diagram illustrating the internal structure of the telephone of FIG. 1, and includes a trunk line matching unit 110, a relay 120, a ring controller 130, a DTMF controller 140, a speaker 150, and a key input unit 160. ), The call circuit unit 170, the output unit 180, the memory 190, the handset 200, the hook-off detector 210, the codec processor 220, the echo canceller 230, the protocol analyzer 240 ), An Ethernet matching unit 250, a lookup processing unit 260, a protocol conversion unit 270, and a microprocessor 300, respectively.

As shown in FIG. 2, the trunk line matching unit 100 performs a matching function with the trunk line, and the relay 120 performs the codec processing unit 220 / ring control unit 130 / DTMF control unit 140 / call which will be described later. It performs a function of connecting any one of the circuit unit 170 and the trunk line matching unit 110.

The ring controller 130 generates a ring signal to drive the speaker 150 under the control of the microprocessor 300, and the speaker 150 converts an electrical signal corresponding to the ring signal into an audible signal. .

The DTMF control unit 140 detects a DTMF signal and generates a DTMF signal, and the key input unit 160 generates a key signal based on a user's command or number input action and applies it to the microprocessor 300. Do each of them.

The call circuit unit 170 processes the signal from the trunk line 400 / ring control unit 130 / codec processing unit 220 to drive the handset 200, and the output unit 180 is intended to be notified by a key input or a telephone. Display the content visually.

The memory 190 records information such as initial data / telephone number database configuration / IP address / routine table for driving the phone 100, and the information is selectively read by the microprocessor 300.

The handset 200 converts an audible signal into an electrical signal and converts the electrical signal into an audible signal, and the hook-off detector 210 detects the hook-off of the handset 200.

In addition, the codec processor 220 performs a function of compressing a general electric voice signal and converting the compressed data into an electric signal, and the echo canceller 230 removes an echo sound generated on a call line and makes an electrical signal level. Performs the function of adjusting.

The protocol analyzer 240 performs a function of generating or analyzing an internet protocol and recognizing its meaning, and the Ethernet matching unit 250 is responsible for matching with its own network configuration line and an external Internet path.

The protocol converter 270 converts the protocol analyzed by the protocol analyzer 240 to access the internal network, and the look up processor 260 uses the routine data stored in the memory 190 described above. Performs a function of searching for a destination point of a received Internet packet.

Finally, the microprocessor 300 is responsible for the overall control function inside the phone 100, and performs a function of substantially processing the call processing process to be described later.

Hereinafter, with reference to the above-described configuration, it will be described in detail with reference to the flowchart of Figures 3 to 7 attached to the call processing process according to a preferred embodiment of the present invention.

Prior to the description of the flowchart, the call processing method according to the present invention is an outgoing (telephone → terminal) call processing method using a speed dial number between the telephone 100 and the internal network configuration terminals 101 to 105 [Embodiment 1] Incoming (terminal to telephone) call processing method using a speed dial number between the telephone 100 and the internal network configuration terminals 101 to 105 [Embodiment 2], internal network configuration terminals 100 to 105 separated by IP addresses Call processing method [Example 3], a call processing method using an abbreviated number between internal network constituent terminals 100 to 105, and the incoming call processing of the telephone 100 through the external Internet line 500 Method [Embodiment 5], Incoming Call Processing Method between Internal Network Configuration Terminals 101 to 105 through External Internet Line 500 [Embodiment 6] of Telephone 100 via External Internet Line 500 Outgoing call processing method [Embodiment 7], Outgoing call processing method between internal network configuration terminals 100 to 105 through an external Internet line 500 [implementation] 8], the incoming call processing method of the telephone 100 via the trunk line 400 [Example 9], and the outgoing call processing method of the telephone 100 via the CO line 400 (Example 10). .

Here, [Embodiment 9] and [Embodiment 10], which are call processing methods through the trunk line 400, are the same as those of a general trunk line telephone, and are a telephone call method with an Internet terminal or an external network. And [Embodiment 5] can be accessed by using the telephone processing method on the Internet, and a detailed description thereof will be omitted.

In addition, in order to realize the call processing methods according to the present invention, first, the memory 190 stores the Internet address of the telephone 100 according to the present invention and the Internet addresses of the telephones 101 to 105 connected to the internal LAN network. It must be databased, and it is assumed that routing information of external internet network is also databased. At this time, in the internal LAN telephone period, the identifier must have a special extension number that can be distinguished, such as a number except common part among Internet addresses of the stored extension network.

On the other hand, in the key input unit 160, the CO line 400 and the extension 600 can be distinguished by a special leading number, but the Internet address input for inputting the Internet address and the E164 number system of the CO line 400 can be used. Special keys must be provided.

Such a key input can normally enter the extension number and the phone number of the CO line 400, but when this key is toggled, it is used to transition to the Internet address input state. Can be used. If this key is pressed once again, it can be set to switch back to the general telephone or extension number selection state.

Example 1

3 is a flowchart illustrating an outgoing (telephone → terminal) call processing process using a speed dial number between the phone 100 and the internal network configuration terminals 101 to 105 according to an embodiment of the present invention.

First, in step S300, the hook-off detecting unit 210 determines whether the user hooks up the handset 200, that is, lifts the handset 200, and when the hook-off signal is generated, the microprocessor 300 The receiver 200 notifies that the hook is off.

In response to the hook-off notification, the microprocessor 300 proceeds to step S302 to control the relay 120 and the call circuit unit 170 so as to connect the ring controller 130 to the ring controller 130. Try to supply a dial tone.

Thereafter, in step S304, it is determined whether the extension shortcut key or the extension number is input through the key input unit 160. When the key signal input by the user's input action is performed, the flow proceeds to step S306.

In step S306, the microprocessor 300 detects such a key signal input and outputs the extension number to the output unit 180, and controls the DTMF control unit 140 and the relay 120 to provide the input key tone. On the other hand, after transmitting the Internet address corresponding to the extension number to the protocol conversion unit 270 proceeds to step S308.

In step S308, the protocol conversion unit 270 generates a VOIP call establishment packet including the internal network destination IP address and transmits the generated VOIP call to the Ethernet matching unit 250, and from the Ethernet matching unit 250 to the internal LAN line 600. After transmitting such a packet, the process proceeds to step S310.

At this time, when the response signal generated from the process of step S308 is received through the internal LAN line 600, the Ethernet matching unit 250 proceeds to step S310 to forward the packet to the protocol analyzer 240. Request for protocol analysis by sending. The protocol analysis unit 240 analyzes the protocol and at the same time, the lookup processing unit 260 goes through the process of confirming that the incoming point of the protocol is the telephone 100 according to the present invention. If it is confirmed as a message that the processing (S312), the normal message reception state is transmitted to the microprocessor (300).

In this case, the microprocessor 300 proceeds to step S314 to control the ring controller 130 and the relay 120 to provide a ring back tone.

Thereafter, if another packet sent from the internal LAN line 600 to the protocol analyzer 240 through the Ethernet matching unit 250 is determined to be a call connection packet (S316), the protocol analyzer 240 looks up the processor 260. Checks whether the incoming call point of the protocol is the phone 100 according to the present invention, and transmits a normal call connection message reception state to the microprocessor 300, and the ring controller 130 and the relay ( 120 to cut the ringback tone, and the microprocessor 300 controls the codec processing unit 220 and the call circuit unit 170 to form a call path between the internal LAN line 600 and the receiver 200 ( S318).

In addition, in step S320, the internal communication state is stored in the memory 190 with information about the connected destination address, and the protocol analyzer 240 transmits the state of normal message reception to the protocol converter 270. .

The protocol conversion unit 270 generates the next message (connection confirmation message) including the destination address in step S322 and transmits the packet (connection confirmation message) to the internal LAN line 600 through the Ethernet matching unit 250. .

In step S324, it is determined whether a next packet, that is, a logical channel connection request message is received from the internal LAN line 600, and if a logical channel connection is requested, the process proceeds to step S326 and the protocol in the Ethernet matching unit 250 is performed. The packet is sent to the analyzer 240 to request a protocol analysis. The protocol analyzer 240 analyzes the protocol and, at the same time, checks whether the call destination of the protocol is the phone 100 by the lookup processor 260. The result of the analysis is a normal response (logical channel connection request). If it is determined (S328), the result is transmitted to the protocol conversion unit 270, and the protocol conversion unit 270 generates the next message (confirmation of logical channel connection) including the destination address and internally through the Ethernet matching unit 250. The call processing procedure of FIG. 3 is completed by sending a packet (logical channel connection confirmation) over the LAN line 600.

Then, when the packet is received from the Ethernet matching unit 250 through the internal LAN line 600 from the connected counterpart, the received signal is sent to the protocol analyzer 240 to analyze the protocol and at the same time by the lookup processor 260. Confirm that the incoming point of the protocol is the phone 100, and send the analyzed data to the echo canceler 230 and the codec processing unit 220 to make the voice information, and then, the generated voice signal to the call circuit unit 170 Processed to listen to the receiver 200.

The voice information to be delivered by the receiver 200 is transmitted to the echo canceller 230 and the codec processor 220 through the call circuit unit 170, and the transmitted voice information is transmitted to the echo canceller 230 and the codec processor 220. In this case, the data is compressed to the protocol conversion unit 270, and the transmitted data is transmitted to the internal LAN line 600 through the Ethernet matching unit 250 by adding the packet form and the destination address of the Internet format. .

On the other hand, when the above-mentioned step (S314), (S322), (S330) receives a packet related to the abnormality or release, the protocol transfer unit 270 generates a packet necessary for release and then Ethernet While transmitting to the internal LAN line 600 through the matching unit 250, the microprocessor 300 controls the ring control unit 130 and the relay 120 by providing the release procedure execution information to the microprocessor 300. The first step of performing the release procedure for supplying the call cutting tone and the response of the first step of performing the release procedure through the internal LAN line 600 are received by the Ethernet matching unit 250 and sent to the protocol analyzer 240. And a second step of performing a release procedure to analyze the protocol by sending.

Example 2

4 is a flowchart of an incoming (terminal → telephone) call processing process using a shortcut number between the telephone 100 and the internal network configuration terminals 101 to 105 according to another embodiment of the present invention.

First, when the VOIP call setup packet is received from the terminals 101 to 105 of the internal LAN network through the Ethernet matching unit 250 in step S400, the received call setup packet is transmitted to the protocol analyzer 240. The protocol analyzer 240 analyzes the call setup packet and reads out the destination address and the unique value of the call setup packet in the Internet address section (S402).

The unique value to be read is transmitted to the microprocessor 300, and the microprocessor 300 that receives the unique value of the destination address and the call setup packet is connected to the extension number database and the routing database in which the corresponding address is prepared in the memory 190. Check the match to analyze the incoming point (S404).

If the destination address book is an extension number or an internal IP address indicating the telephone 100 according to the present invention (S406), the process proceeds to step S408, otherwise, the process proceeds to step S407.

In step S407, it is determined whether the current destination address is the next extension number, and if it is determined that the next extension number is used, the process of FIG. 5 according to the extension extension described later is performed. Perform the process.

Meanwhile, in step S408, the microprocessor 300 transmits a control signal indicating that the called point is the phone 100 according to the present invention together with the unique value of the call setup packet to the protocol analyzer 240, and the lookup processor. While notifying the unique value and the extension number or the internal IP address of the incoming call to 260, the ring control unit 130 and the relay 120 and the call circuit unit 170 is notified that there is a call coming from the ring of the telephone 100 To ring (S408).

Subsequently, in step S410, the protocol analyzer 240 detects an incoming call of the phone 100 according to the present invention with the information received from the microprocessor 300, and converts the analyzed packet information to the protocol converter 270. To pass.

In addition, in step S412, the lookup processing unit 260 receives the unique value for the telephone call, the address or the extension number data of the called point, the incoming call of the telephone 100 according to the present invention, and the like received from the microprocessor 300. Configure the database of the, and proceeds to step (S414).

In step S414, the protocol conversion unit 270, which has received the information on the call setup packet from the protocol analyzer 240, generates a message indicating that the call is being processed, and the internal LAN line 600 through the Ethernet matching unit 250. ), A response packet (message in call processing) is transmitted to the originating terminals 101 to 105, and the flow proceeds to step S416.

In step S416, when the user who detects the ring signal detects that the hook-off detection unit 210 picks up the handset 200 of the telephone 100 according to the present invention, the hook-off detection unit 210 indicates that the user has hooked off to the microprocessor 300. The microprocessor 300 proceeds to step S418 to send the ring signal truncation signal to the ring controller 130 to cut the ring signal, while controlling the codec processing unit 220 and the call circuit unit 170 to control the internal LAN. The call path between the line 600 and the receiver 200 is connected, and the protocol converter 270 is notified of the hook-off of the microprocessor 300.

In step S420, the protocol conversion unit 270, which has received the signal indicating that the hook is turned off, generates a call connection message and transmits the call connection message to the internal LAN line 600 through the Ethernet matching unit 250 so that the called terminal 101 ~. 105, a response packet (call connection message) is sent.

When the response of the above-described step S420 is received from the internal LAN line 600 (S422), the Ethernet matching unit 250 transmits the response packet to the protocol analyzer 240 to request protocol analysis and step S426. Proceed to

In step S426, the protocol analyzer 240 analyzes the protocol and at the same time, if the result analyzed by the lookup processor 260 confirms that the call destination of the protocol is the phone 100, the call connection confirmation message, The normal message reception state is transmitted to the microprocessor 300 so that the information on the destination address connected by the microprocessor 300 is stored in the memory 190 in the internal communication state, and the protocol analyzer 240 is normal. The status of the message reception is transmitted to the protocol conversion unit 270, and the protocol conversion unit 270 generates the next message (the logical channel connection request message) including the originating address to transmit the internal LAN line (through the Ethernet matching unit 250). 600) to send a packet (logical channel connection request message).

When the response of step S426 described above is received from the internal LAN line 600 (S428), the Ethernet matching unit 250 proceeds to step S430 to transmit the response packet to the protocol analyzer 240 to analyze the protocol. When the protocol analysis unit 240 analyzes the protocol and at the same time the result of the analysis through the process of confirming that the call destination of the protocol is the phone 100 by the lookup processing unit 260 is a logical channel connection confirmation message. The protocol analyzer 240 switches to the reception state of the voice data signal and ends the process of FIG. 4.

Then, when the packet is received from the Ethernet matching unit 250 through the internal LAN line 600 from the connected counterpart, the received signal is sent to the protocol analyzer 240 to analyze the protocol and at the same time by the lookup processor 260. Confirm that the incoming point of the protocol is the phone 100, and send the analyzed data to the echo canceller 230 and the codec processing unit 220 to make the voice information, and the resulting voice signal is transferred to the call circuit unit 170. Process to listen to the handset 200.

The voice information to be delivered by the receiver 200 is transmitted to the echo canceller 230 and the codec processor 220 through the call circuit unit 170, and the transmitted voice information is transmitted to the echo canceller 230 and the codec processor 220. In this case, the data is compressed to the protocol conversion unit 270, and the transmitted data is transmitted to the internal LAN line 600 through the Ethernet matching unit 250 by adding the packet form and the destination address of the Internet format. .

On the other hand, in the above-described step (S426), in the case of receiving a packet related to the abnormality or release in the above-mentioned step (S430), the Ethernet conversion unit 250 after generating a packet required for release by transferring to the protocol conversion unit 270 The call processing tone by controlling the ring control unit 130 and the relay 120 in the microprocessor 300 by providing the release procedure execution information to the microprocessor 300 through the internal LAN line 600. The protocol is performed by receiving the response of the first step of performing the release procedure and the first step of performing the above release procedure through the internal LAN line 600 and sending the response to the protocol analyzer 240 to the protocol analyzer 240. And a second step of performing a release procedure for analysis.

Example 4

FIG. 5 is a flowchart of a call processing process using an abbreviated number between internal network configuration terminals 101 to 105 according to another embodiment of the present invention, and the call processing when the extension is received in step S407 of FIG. It is a process.

When the extension is received in step S500, the microprocessor 300 proceeds to step S502, and the unique value and extension number of the call setup packet for the call to the lookup processing unit 260 and the internal IP address of the incoming terminal. Meanwhile, the protocol analyzer 240 transmits a signal for notifying that the terminal of the internal LAN network is received with the unique value of the call setup packet.

In step S504, the lookup processing unit 260 uses the information received from the microprocessor 300, the unique value for the telephone call, the extension number data and the address of the called point, the address and extension of the originating point, and the terminal of the internal LAN network. Configure a database, such as an incoming call.

In step S506, the protocol analyzer 240 detects the terminal reception of the internal LAN network with the information received from the microprocessor 300, and receives the packet information analyzed along with the message to be delivered to the terminal of the internal LAN network. Information such as an IP address is transmitted to the protocol converter 270.

In step S508, the protocol converter 270 converts the extension number written in the packet into the IP address of the called terminal existing in the internal LAN network based on the information received from the protocol analyzer 240 to convert the Ethernet matcher 250. Transmits to the internal LAN line 600 through.

Thereafter, the packet received from the internal LAN line 600 through the Ethernet matching unit 250 is delivered to the protocol analyzer 240 to analyze the protocol and simultaneously deliver the packet by the lookup processor 260. The IP addresses of the terminals 101 to 105 of the LAN network are checked and transmitted to the protocol conversion unit 270.

In step S510, the protocol conversion unit 270 converts the extension number written in the packet into the IP address of the called terminal existing in the internal LAN network based on the information received from the protocol analyzer 240 to convert the Ethernet matching unit 250. The received packet subsequent to the call setup packet is processed by transmitting to the internal LAN line 600 via the &lt; RTI ID = 0.0 &gt;

At this time, the call release processing deletes the table in the lookup processing unit 260 when the packet analysis result packet is analyzed by the protocol analyzer 240 in the received packet processing step after the call establishment packet described above. To complete the call release procedure.

Example 8

FIG. 6 is a flowchart illustrating an outgoing call processing process through an external Internet line 500 between internal network configuration terminals 101 to 105 according to another embodiment of the present invention, and an external call in step S407 of FIG. 4. Call processing in the case of incoming call.

First, when an external call is made in step S600 (S600), the microprocessor 300 proceeds to step S602 and the unique value of the call setup packet and the extension number and origination for the call to the lookup processing unit 260. While notifying the internal IP address of the terminal, the protocol analyzer 240 transmits a signal indicating that the called point is a terminal in the external network together with the unique value of the corresponding call setup packet, and proceeds to step S604.

In step S604, the lookup processing unit 260 is information provided from the microprocessor 300, the database of the unique value for the telephone call, the extension number data and the address of the originating point, the address of the called point, the terminal called on the external network, and the like. Configure

In addition, the protocol analyzer 240 detects the terminal reception of the external network with the information provided from the microprocessor 300, and transmits information such as packet information analyzed along with a message to transmit to the terminal of the external network (protocol); 270).

Subsequently, in step S606, the protocol converter 270 transmits an IP address (not shown) to the external network, such as a phone address according to the present invention, from the IP address written in the packet based on the information received from the protocol analyzer 240. Representative IP address) and transmits the call setup packet by transmitting to the external line 500 through the Ethernet matching unit 250.

The packet is provided to the protocol analyzer 240 via the Ethernet matching unit 250 through the external line 500, and in step S608, the protocol analyzer 240 analyzes the protocol of the packet, The lookup processing unit 260 distinguishes the packet transmitted to the terminal of the internal LAN by the unique value of the packet, and checks the IP address or the internal number of the terminals 101 to 105 of the internal LAN. 270).

In step S610, the protocol converter 270 converts the IP address of the destination point written in the packet into the IP address or the extension number of the terminal existing in the internal LAN network based on the information received from the protocol analyzer 240. By transmitting to the internal LAN line 600 through the Ethernet matching unit 250 to process the packet received from the external line after the call setup packet.

The packet is provided to the protocol analyzer 240 through the Ethernet matching unit 250 through the internal LAN network line 600. In step S612, the protocol analyzer 240 analyzes the protocol of the packet. At the same time, the lookup processing unit 260 distinguishes the packet transmitted to the terminal of the external network by the unique value of the packet, and converts the protocol by checking the IP address (representative IP address) announced to the external network for the internal LAN line 600. Transfer to section 270.

In step S614, the protocol conversion unit 270 converts the IP address or extension number of the transmission point written in the packet into the IP address (representative IP address) announced to the external network based on the information received from the protocol analysis unit 240. By converting and forwarding the packet through the Ethernet matching unit 250 to the external line 500, the packet to be transmitted to the external line after the call setup packet is processed.

At this time, the call release processing deletes the table in the lookup processing unit 260 when the packet analysis result packet is analyzed by the protocol analyzer 240 in the received packet processing step after the call establishment packet described above. The call release procedure can be performed.

On the other hand, the process of processing the incoming call to the internal network configuration terminal 101 to 105 through the external Internet line 600 [Example 6] is as follows.

Calling terminals 101 to 105 belonging to the internal LAN line by the external Internet network does not know the IP address of the internal LAN network from the external Internet network, so no direct call is made except in a special case. Do not. A special case can be made when supporting functions such as IP-VPN of each terminal and Internet equipment company constituting the network. Therefore, the general usage method may be supported by a call transfer that is set up as a representative IP address (IP address of the phone according to the present invention), and subsequently guided or intercepted.

Example 7

7 is a flowchart illustrating an outgoing call processing process through the external Internet line 500 of the phone 100 according to another embodiment of the present invention.

First, in step S700, the hook-off detecting unit 210 determines whether the telephone 100 is hooked off, that is, whether the handset 200 is lifted by the user.

When the hook-off detecting unit 210 detects that the handset 200 is hooked off, the hook-off detecting unit 210 notifies the microprocessor 300 that the current phone 100 is hooked off, and in step S702. Proceed.

In step S702, the microprocessor 300 operates the relay 120 and the call circuit unit 170 to connect the ring control unit 130, while the ring control unit 130 supplies the dial tone, and in step S704. Proceed to).

In operation S704, the microprocessor 300 determines whether the Internet address input mode key signal is applied from the key input unit 160, that is, determines whether the mode preparation key signal for inputting the Internet address is pressed by the user. When the Internet address input mode key signal is generated, the flow advances to step S706.

In operation S706, the microprocessor 300 switches the current phone 100 to the Internet address standby mode, and simultaneously controls the output unit 180 to output an Internet address input message.

Thereafter, in step S708, the microprocessor 300 determines whether a predetermined internet address is input through the key input unit 160. When the predetermined internet address is input by the user, the microprocessor 300 proceeds to step S710, and outputs the output unit ( 180 to output the input Internet address, and control the DTMF control unit 140 and the relay 120 to provide the input key tone, and transmit the input Internet address to the protocol conversion unit 270.

In step S712, the protocol conversion unit 270 generates a VOIP call including a destination address, generates a setup packet, and delivers the packet to the Ethernet matching unit 250, and the Ethernet matching unit 250 transmits the packet to the external line 500. Do it.

After the packet is transmitted, when the response message is received from the external line 500, the Ethernet matching unit 250 proceeds to step S714, requests the protocol analysis unit 240 to analyze the protocol of the packet, and proceeds to step S716. do.

In step S716, the protocol analyzer 240 analyzes the protocol and at the same time, the look-up processor 260 determines whether the incoming point of the protocol is the phone 100, and as a result of the checking process, determines that the called terminal is being processed normally. When the normal message reception state is transmitted to the microprocessor 300, the microprocessor 300 controls the ring controller 130 and the relay 120 to provide a ring back tone and proceed to step S718.

In step S718, if it is determined that another packet sent from the external line 500 to the protocol analyzer 240 through the Ethernet matching unit 250 is a call connection packet, the lookup processor 260 is performed by the protocol analyzer 240. Checks whether the incoming point of the protocol is the phone 100 according to the present invention, and transmits a normal call connection message reception state to the microprocessor 300, and the ring controller 130 and the relay ( 120 to cut the ring back tone, and the microprocessor 300 controls the codec processing unit 220 and the call circuit unit 170 to connect the call path between the internal LAN line 600 and the receiver 200. In addition, the internal communication state is stored in the memory 190 with the information about the connected destination address, while the protocol analyzer 240 transmits the state of normal message reception to the protocol converter 270 and the protocol converter 270. ) A next message (connection confirmation message) including the new address is generated to transmit a packet (connection confirmation message) to the external line 500 through the Ethernet matching unit 250.

After performing step S718, the flow proceeds to step S720 to determine whether the next packet (logical channel connection request) is received from the external line 500, and if a logical channel connection is requested, the Ethernet matching unit 250 Proceeding to step S722, the protocol analyzer 240 requests protocol analysis of the packet.

In step S722, the protocol analyzer 240 analyzes the protocol and at the same time, the lookup processor 260 determines whether the call destination of the protocol is the phone 100. Request), the result is transmitted to the protocol conversion unit 270, and the protocol conversion unit 270 generates the next message (confirmation of logical channel connection) including the destination address to generate the Ethernet matching unit 250. The call connection procedure is completed by transmitting a packet (logical channel connection confirmation) to the external line 500 (S724).

Subsequently, when the packet is received from the Ethernet matching unit 250 through the external line 500 from the connected counterpart, the received signal is sent to the protocol analyzer 240 to analyze the protocol and the protocol by the lookup processor 260. Make sure that the incoming point of the phone 100, and send the analyzed data to the echo canceler 230 and the codec processing unit 220 to make the voice information, and the resulting voice signal is transferred to the call circuit unit 170 Process to listen to the handset 200.

The voice information to be delivered by the receiver 200 is transmitted to the echo canceller 230 and the codec processor 220 through the call circuit unit 170, and the transmitted voice information is transmitted to the echo canceller 230 and the codec processor 220. In this case, the data is compressed and transmitted to the protocol converter 270, and the forwarded data is added to the packet form of the Internet format and the destination address, and transmitted to the external line 500 through the Ethernet matching unit 250 for processing.

On the other hand, in the case of receiving the packet related to the abnormality or release in the above-described step (S716), (S722), (S724), the packet is transferred to the protocol conversion unit 270 to generate a packet required for release and then Ethernet While transmitting to the external Internet line 500 through the matching unit 250, the microprocessor 300 controls the ring control unit 130 and the relay 120 by providing information on performing the release procedure. Receiving the response of the first step of performing the release procedure to supply the call cut tone and the first step of performing the above release procedure through the external line 500, the Ethernet matching unit 250 receives the response and sends it to the protocol analyzer 240. By the second step of performing the release procedure to analyze the protocol by the phone 100 characterized in that the call to the outgoing call to the external Internet.

As mentioned above, although preferred embodiments of the present invention have been illustrated and described, it should be understood by those skilled in the art that other changes and modifications can be made without departing from the spirit and scope of the appended claims.

For example, in the case of a PC, the trunk line matching unit 110, the relay 120, the ring control unit 130, the DTMF control unit 140, and the call circuit unit 170 of the trunk line processing apparatus are installed in one expansion slot of the PC. The handset 200 and the hook-off detector 210 may be configured as an external device. At this time, the Ethernet codec processing unit 220, the echo canceller 230, the Ethernet matching unit 250 should be installed in another expansion slot to operate. Control of each expansion slot device and external device is in charge of the main processor of the PC, and the processing of the protocol analyzer 240, the protocol converter 270, and the lookup processor 260 is replaced by the application of the PC.

In addition, the above-described two expansion slot devices may be integrated and installed. In this case, the main processor of the PC is responsible for the control of the expansion slot device and the external device, and the protocol analyzer 240 and the protocol converter 270 are used. The processing of the lookup processing unit 260 is replaced by a PC application.

Therefore, the present invention can be a telephone required for all users who use IDC, IP-PBX, IP-Gateway to which VoIP is applied, as well as users who simultaneously use LAN and PSTN networks to which VoIP is applied. The addition of the keyphone function as a subscriber has an excellent effect regardless of the shape of the line and the telephone function (general telephone / internet telephone).

Claims (11)

In the telephone structure which connects public line switched telephone network, Internet telephone, keyphone connection, A trunk line matching unit performing a matching function with the trunk line; A ring controller for generating a ring to drive a speaker; A DTMF control unit for detecting a DTMF signal and generating a DTMF signal; A speaker for converting an electrical signal into an audible signal; A key input unit for inputting a command or a number; An output unit for displaying a key input or a content to be announced by the telephone to the outside; A memory for storing information such as initial data / telephone number database configuration / IP address / routine table for driving the telephone; A handset for converting an audible signal into an electrical signal and converting the electrical signal into an audible signal; A hook off detector for detecting a hook off of the handset; A codec processor for compressing the electrical voice signal and converting the compressed data into an electrical signal; An echo canceller for removing echo sound and adjusting the electrical signal level on the call line; A protocol analyzer for generating or analyzing an internet protocol to find out its meaning; An Ethernet matching unit which is responsible for matching with its own network configuration line and an external Internet path; A protocol conversion unit for converting a protocol for internal network access; A lookup processing unit for finding a destination point of a received Internet packet by using the routine data stored in the memory; A relay which performs a function of connecting the codec processing unit, the ring control unit, the DTMF control unit, and any one of the call circuit units to the trunk line matching unit; A communication circuit unit for processing signals from the trunk line, the ring control unit and the codec processing unit to drive the handset; And a public circuit switched telephone network, an internet telephone, and a keyphone connection, characterized in that the microprocessor is configured to control the inside of the telephone. The method of claim 1, The telephone, Has an Internet address known to the external Internet network, and another network via the internal LAN line has an address and a shortcut number not known to the external Internet network. Internet address that is not known to the outside of the terminal connected to the internal LAN network, a shortcut (extension) number corresponding to an Internet address that is not known to the outside, and the Internet known to the outside of the phone A public telephone switched telephone network, an internet telephone, and a key phone connection, wherein the address is databased and the routing information of the external internet network is further operated. The method of claim 1, The key input unit, A public telephone switched telephone network, an internet telephone, and a telephone connection, which generate an Internet address input division key signal for enabling both an Internet address input and an E164 number system of a trunk line. The method of claim 3, wherein The key input unit, Public toggle telephone network, Internet phone, Key phone characterized in that the toggle type of the extension of the extension and trunk line telephone number input mode and the Internet address input mode, the key input means for generating a shortcut key signal for shortened Internet address input Telephone structure to make connection in parallel. CO line matching unit performing matching function with CO line, ring control unit generating ring to drive speaker, DTMF control unit detecting DTMF signal and generating DTMF signal, speaker, command or number converting electrical signal into audible signal Memory that stores information such as key input that can be input, output that displays key input or what the phone wants to know externally, initial data / telephone database configuration / IP address / routine table for driving the phone A handset for converting a signal into an electrical signal and converting the signal into an audible signal, a hook-off detector for detecting a hook-off of the handset, a codec processing unit for compressing an electrical voice signal and converting compressed data into an electrical signal, and a telephone line Echo canceller, which removes echo to the phase and adjusts the electrical signal level Protocol analysis unit that generates or analyzes net protocols to find out its meaning, Ethernet matching unit that performs matching function with its own network configuration line and external Internet path, and protocol conversion unit that converts protocol for internal network access And a lookup processor for finding a destination point of a received Internet packet using routine data stored in a memory, and connecting the trunk line matching unit to any one of the codec processing unit, the ring control unit, the DTMF control unit, and the call circuit unit. Internal network configuration in the telephone structure of the telephone comprising a relay, the trunk line, the ring control unit, a call circuit unit which processes the signal from the codec processing unit to drive the handset, and a microprocessor which is in charge of a control function inside the telephone. Place outgoing call using speed dial number to terminal In the processing method, A hook-off signal caused by the hook-off of the handset is notified that the hook-off signal is notified and that the ring control unit is connected by controlling the relay and the call circuit unit, and the ring control unit supplies a dial tone; Steps; It is determined whether an extension shortcut key or an extension number is input through the key input unit, and when a key signal input by a user's input action proceeds, the extension number is output through the output unit, and the DTMF control unit and the relay are controlled. Providing an input key tone and transmitting an internet address corresponding to the input extension number to the protocol conversion unit; A third step of generating, by the protocol conversion unit, a VOIP call setup packet including an internal network destination IP address and transmitting the packet to the Ethernet matching unit, and transmitting the packet to the internal LAN line by the Ethernet matching unit; When a response signal is received through the internal LAN line, the protocol analyzer analyzes the protocol and at the same time, checks whether the called point of the protocol is the telephone by the lookup processor, and as a result of the checking process, the called terminal A fourth step of transmitting a normal message reception state to the microprocessor if is confirmed as a message that the message is normally processed; A fifth step of controlling the ring control unit and the relay to provide a ring back tone; If it is determined that another packet sent from the internal LAN line to the protocol analyzer through the Ethernet matching unit is a call connection packet, the protocol analyzer determines whether the call destination of the protocol is the telephone by the lookup processor and receives a normal call connection message. Transmits a state to the microprocessor, the microprocessor controls the ring control unit and the relay to cut a ring back tone, and the microprocessor controls the codec processing unit and the call circuit unit to control the internal LAN line and the A sixth step of forming a call path with the handset; A seventh step of storing the internal call state in the memory of the connected destination address, and transmitting the state of normal message reception to the protocol conversion unit in the protocol analyzer; An eighth step of generating, by the protocol conversion unit, a connection confirmation message including a destination address and transmitting a connection confirmation message to the internal LAN line through the Ethernet matching unit; After performing the eighth step, it is determined whether a logical channel connection request message is received from the internal LAN line, and when a logical channel connection is requested, the Ethernet matching unit transmits a packet to the protocol analyzer to request protocol analysis, The protocol analyzer analyzes the protocol and, at the same time, determines that the result of the analysis is a logical channel connection request by the lookup processor to determine whether the call destination of the protocol is the phone. Transmitting, by the protocol converter, a logical channel connection confirmation message including a destination address and transmitting a logical channel connection confirmation message to the internal LAN line through the Ethernet matching unit; When the Ethernet matching unit receives a packet from the connected party through the internal LAN line, the received signal is sent to the protocol analyzer to analyze the protocol and at the same time, the look-up processing unit checks whether the incoming point of the protocol is the phone. A tenth step of sending the analyzed data to the echo canceller and the codec processing unit to make voice information, and then transmitting the generated voice signal to the call circuit unit to listen to the handset; The voice information to be delivered by the handset is transmitted to the echo canceller and the codec processor through the call circuit unit, and the transmitted speech information is converted into compressed data by the echo canceller and the codec processor and transmitted to the protocol converter. And performing an eleventh step of forwarding the transmitted data to the internal LAN line through the Ethernet matching unit by adding a packet form and a destination address of the Internet format. Method of handling call in phone structure. CO line matching unit performing matching function with CO line, ring control unit generating ring to drive speaker, DTMF control unit detecting DTMF signal and generating DTMF signal, speaker, command or number converting electrical signal into audible signal Memory that stores information such as key input that can be input, output that displays key input or what the phone wants to know externally, initial data / telephone database configuration / IP address / routine table for driving the phone A handset for converting a signal into an electrical signal and converting the signal into an audible signal, a hook-off detector for detecting a hook-off of the handset, a codec processor for compressing an electrical voice signal and converting the compressed data into an electrical signal, a call line Echo canceller, which removes echo to the phase and adjusts the electrical signal level Protocol analysis unit that generates or analyzes net protocols to find out its meaning, Ethernet matching unit that performs matching function with its own network configuration line and external Internet path, and protocol conversion unit that converts protocol for internal network access And a lookup processor for finding a destination point of a received Internet packet using routine data stored in a memory, and connecting the trunk line matching unit to any one of the codec processing unit, the ring control unit, the DTMF control unit, and the call circuit unit. In the internal network configuration terminal of the telephone structure consisting of a relay, the trunk line, the ring control unit, the call circuit unit for processing the signal from the codec processing unit to drive the handset, and a microprocessor for controlling the internal control of the telephone Incoming calls using speed dial number A method of Lee, When receiving an Internet telephone call setup packet from the terminal of the internal LAN network through the Ethernet matching unit, the received call setup packet is transmitted to the protocol analyzer, and the protocol analyzer analyzes the call setup packet, and the call is received at the Internet address. Reading a unique value of an address and a call establishment packet; A second step of transmitting the read unique value to the microprocessor and analyzing the incoming point by checking whether the corresponding address matches the extension number database and the routing database prepared in the memory; If the destination address is an extension number or an internal IP address that means the phone, the microprocessor transmits a control signal indicating that the destination is the phone together with the unique value of the call setup packet to the protocol analyzer, and the lookup processor A third step of informing a unique value of an incoming call and an extension number or an internal IP address, and generating a ring of the telephone by notifying that the ring control unit, the relay and the call circuit unit have a call; A fourth step of detecting, by the protocol analyzer, an incoming call of the phone with the information received from the microprocessor, and delivering the analyzed packet information to the protocol converter; A fifth step of, in the lookup processing unit, constructing a database of the unique value for the telephone call, the address or extension number data of the called point, the incoming call of the telephone, etc. using the information received from the microprocessor; A protocol for transmitting a call processing message to an originating terminal by generating a message indicating that the protocol conversion unit, which has received information on a call setup packet from the protocol analysis unit, is processing a call and transmitting the message to the internal LAN line through the Ethernet matching unit; With six steps; When the hook-off detecting unit detects the hook-off of the handset, the microprocessor notifies the hook-off state of the handset, and sends a ring signal cut signal to the ring control unit from the microprocessor to cut the ring signal. A seventh step of controlling the codec processing unit and the call circuit unit to connect a call path between the internal LAN line and the receiver and to notify the protocol conversion unit that the microprocessor has been hooked off; An eighth step of generating a call connection message in the protocol conversion unit in response to the hook off notification signal, and transmitting the call connection message to the destination terminal by transmitting the call connection message to the internal LAN line through the Ethernet matching unit; A ninth step of requesting protocol analysis by transmitting a response packet from the Ethernet matching unit to the protocol analysis unit when the response message in the eighth step is received through the internal LAN line; If the protocol analysis unit analyzes the protocol and at the same time the result of the analysis through the process of confirming that the call destination of the protocol is the phone is the call connection confirmation message, the normal message reception state is transmitted to the microprocessor And storing information on the destination address accessed by the microprocessor in the memory, while transmitting a normal message reception state to the protocol conversion unit in the protocol analyzer, and the protocol conversion unit including a source address. A tenth step of generating a request message and transmitting a logical channel connection request message to the internal LAN line through the Ethernet matching unit; When the response message in step 10 is received through the internal LAN line, the Ethernet matching unit sends a response packet to the protocol analyzer to request protocol analysis, and at the same time the protocol analyzer analyzes the protocol and the lookup. An eleventh step of switching, by the processor, the phone to a voice data signal reception state when the result analyzed by the processor to determine whether the destination point of the protocol is the phone is a logical channel connection confirmation message; When the Ethernet matching unit receives a packet from the connected counterpart through the internal LAN line, the received signal is sent to the protocol analyzer to analyze the protocol and at the same time, the look-up processing unit checks whether the call destination of the protocol is the telephone. A twelfth step of sending the analyzed data to the echo canceller and the codec processing unit to make voice information, and then transmitting the generated voice signal to the call circuit unit to listen to the handset; The voice information to be delivered by the handset is transmitted to the echo canceller and the codec processor through the call circuit unit, and the transmitted speech information is converted into compressed data by the echo canceller and the codec processor to the protocol converter, And a thirteenth step of forwarding the transmitted data to the internal LAN line through the Ethernet matching unit by adding a packet form and a destination address of the Internet format. Method of handling call in phone structure. CO line matching unit performing matching function with CO line, ring control unit generating ring to drive speaker, DTMF control unit detecting DTMF signal and generating DTMF signal, speaker, command or number converting electrical signal into audible signal Memory that stores information such as key input that can be input, output that displays key input or what the phone wants to know externally, initial data / telephone database configuration / IPaddress / routine table for driving the phone A handset for converting the signal into an electrical signal and converting the signal into an audible signal, a hook-off detector for detecting the hook-off of the handset, a codec processing unit for compressing the electrical voice signal and converting the compressed data into an electrical signal, on a call line Echo canceller, which removes echo tones and adjusts the electrical signal level Protocol analysis unit that generates or analyzes net protocols to find out its meaning, Ethernet matching unit that performs matching function with its own network configuration line and external Internet path, and protocol conversion unit that converts protocol for internal network access And a lookup processor for finding a destination point of a received Internet packet using routine data stored in a memory, and connecting the trunk line matching unit to any one of the codec processing unit, the ring control unit, the DTMF control unit, and the call circuit unit. Internal network configuration in a telephone having a telephone structure comprising a relay, a trunk line, a ring controller, a call circuit unit for processing signals from the codec processing unit to drive the handset, and a microprocessor for controlling a phone internal function Call processing room using address number between terminals In, After the microprocessor analyzes the incoming point, the microprocessor notifies the lookup processing unit of the unique value and extension number of the call setup packet for the call and the internal IP address of the incoming terminal. A first step of transmitting a signal for notifying the terminal of the internal LAN network together with the unique value of the configuration packet; The lookup processing unit comprises a database configured to include a database including a unique value for a telephone call, extension number data and an address of a called point, an address and an extension of an originating point, and terminal reception of the internal LAN network using information received from the microprocessor. Two steps; The protocol analyzer detects the terminal reception of the internal LAN network with the information received from the microprocessor, and transmits the packet information analyzed and the information such as the IP address to be received with the message to be delivered to the terminal of the internal LAN network. Transmitting to a protocol conversion unit; The protocol conversion unit converts the extension number written in the packet into the IP address of the called terminal existing in the internal LAN network based on the information received from the protocol analysis unit, and transmits the extension number to the internal LAN line through the Ethernet matching unit; 4 steps; Delivers the packet received from the internal LAN line to the protocol analyzer through the Ethernet matching unit to analyze the protocol and at the same time confirms the IP address of the terminal of the internal LAN network to which the packet is to be delivered by the lookup processor. A fifth step of transmitting to the converter; The protocol conversion unit converts the extension number written in the packet into the IP address of the called terminal existing in the internal LAN network based on the information received from the protocol analysis unit, and transmits the extension number to the internal LAN line through the Ethernet matching unit; A call processing method of a telephone structure comprising a public circuit switched telephone network, an internet telephone, and a keyphone connection, comprising: a sixth step. The method of claim 7, wherein The method, And performing a call release procedure by deleting a table in the lookup processing unit when the result of analyzing the packet in the protocol analyzer is a call release confirmation packet. And a call processing method of a telephone structure in parallel with a keyphone connection. CO line matching unit performing matching function with CO line, ring control unit generating ring to drive speaker, DTMF control unit detecting DTMF signal and generating DTMF signal, speaker, command or number converting electrical signal into audible signal Memory that stores information such as key input that can be input, output that displays key input or what the phone wants to know externally, initial data / telephone database configuration / IP address / routine table for driving the phone A handset for converting a signal into an electrical signal and converting the signal into an audible signal, a hook-off detector for detecting a hook-off of the handset, a codec processing unit for compressing an electrical voice signal and converting compressed data into an electrical signal, and a telephone line Echo canceller, which removes echo to the phase and adjusts the electrical signal level A protocol analyzer for generating or analyzing a net protocol to find out its meaning, an ethernet matching unit for matching with a network configuration line and an external Internet path, a protocol converter for converting a protocol for internal network access, A look-up processing unit which finds a destination point of a received Internet packet using routine data stored in a memory, and connects any one of the codec processing unit, the ring control unit, the DTMF control unit, and the call circuit unit to the trunk line matching unit. The external Internet from an internal network configuration terminal of a telephone structure comprising a relay, the trunk line, the ring control unit, a call circuit unit which processes the signal from the codec processing unit, and drives the handset, and a microprocessor which is in charge of a control function inside the telephone. How to handle outgoing calls over the track In The microprocessor informs the lookup processor of the call setup packet of the unique value and extension number of the call setup packet and the internal IP address of the calling terminal, and the protocol analyzer informs the destination of the call setup packet. Transmitting a signal indicating that the terminal is in the external network; After the look-up processing unit analyzes the incoming point, the information provided from the microprocessor is used to provide a database of unique values for the telephone call, extension number data and the address of the originating point, the address of the called point, and the terminal incoming to the external network. A second step of constructing; The protocol analyzer detects the terminal reception of the external Internet network with the information provided from the microprocessor, and transmits the information, such as packet information analyzed with the message to the terminal of the external Internet network to the protocol conversion unit. With three steps; By converting the source IP address written in the packet based on the information received from the protocol analysis unit in the protocol conversion unit into a representative IP address announced to the external network, such as the telephone address, and transmitted to the external line through the Ethernet matching unit Delivering a call establishment packet; The packet is provided to the protocol analyzer via the Ethernet matching unit through the external line, and the protocol analyzer analyzes the protocol of the packet, and at the same time the terminal of the internal LAN network uses the unique value of the packet in the lookup processor. A fifth step of identifying an IP packet or an internal number of a terminal of the internal LAN network and transmitting the received packet to the protocol conversion unit; The protocol conversion unit converts the IP address of the destination point written in the packet into the IP address or the extension number of the terminal existing in the internal LAN network based on the information received from the protocol analysis unit, and converts the internal LAN through the Ethernet matching unit. A sixth step of processing a packet received from an external line after the call establishment packet by transmitting on the line; The packet is provided to the protocol analyzer through the Ethernet matching unit through the internal LAN network line, and the protocol analyzer analyzes the protocol of the packet, and at the same time, the lookup processor performs the unique value of the packet. Identifying a packet transmitted to a terminal, and identifying a representative IP address announced to an external network for the internal LAN line and transferring the packet to the protocol conversion unit; By converting the IP address or extension number of the transmission point written in the packet into the representative IP address announced in the external network based on the information received from the protocol analysis unit in the protocol conversion unit by transferring to the external line through the Ethernet matching unit And a eighth step of processing a packet to be delivered to an external line after the call establishment packet. The method of claim 9, The method, And performing a call release procedure by deleting a table in the lookup processor when a result of analyzing the packet in the protocol analyzer after the call establishment packet is a call release confirmation packet. A call processing method of a telephone structure comprising a public circuit switched telephone network, an internet telephone, and a keyphone connection, characterized in that at the same time. CO line matching unit performing matching function with CO line, ring control unit generating ring to drive speaker, DTMF control unit detecting DTMF signal and generating DTMF signal, speaker, command or number converting electrical signal into audible signal Memory that stores information such as key input that can be input, output that displays key input or what the phone wants to know externally, initial data / telephone database configuration / IP address / routine table for driving the phone A handset for converting a signal into an electrical signal and converting the signal into an audible signal, a hook-off detector for detecting a hook-off of the handset, a codec processor for compressing an electrical voice signal and converting the compressed data into an electrical signal, a call line Echo canceller, which removes echo to the phase and adjusts the electrical signal level Protocol analysis unit that generates or analyzes net protocols to find out its meaning, Ethernet matching unit that performs matching function with its own network configuration line and external Internet path, and protocol conversion unit that converts protocol for internal network access And a lookup processor for finding a destination point of a received Internet packet using routine data stored in a memory, and connecting the trunk line matching unit to any one of the codec processing unit, the ring control unit, the DTMF control unit, and the call circuit unit. Outgoing through an external internet line of a telephone structure consisting of a relay, a trunk line, a ring control unit, a call circuit unit which processes the signal from the codec processing unit to drive the handset, and a microprocessor which is in charge of a control function inside a telephone. In the call processing method, A first step of determining, by the hook-off detecting unit, the hook-off of the handset, and notifying the microprocessor of the telephone by the hook-off detecting unit when the handset is hooked off; A second step of operating the relay and the call circuit unit in the microprocessor to connect the ring control unit, and supplying a dial tone from the ring control unit; The microprocessor determines whether an internet address input mode key signal is applied from the key input unit. When the internet address input mode key signal is generated, the microprocessor switches the phone to an internet address standby mode and simultaneously controls the output unit. A third step of outputting an address input message; The microprocessor determines whether a predetermined internet address is input through the key input unit. When the predetermined internet address is input by the user, the microprocessor outputs the internet address input to the output unit, and controls the DTMF control unit and the relay. Providing an input key tone and transmitting the input Internet address to the protocol conversion unit; A fifth step of generating, by the protocol conversion unit, an Internet telephone call including a destination address and setting packet, and transmitting the packet to the Ethernet matching unit, and transmitting the packet to the external line by the Ethernet matching unit; A sixth step of requesting a protocol analysis of the packet from the Ethernet matching unit to the protocol analyzer if the response message is received from the external line after the packet transmission; The protocol analyzer analyzes the protocol and at the same time confirms that the call destination of the protocol is the telephone. If it is determined that the called terminal is processing normally, the microprocessor returns a normal message reception state. A seventh step of controlling the ring control unit and the relay in the microprocessor to provide a ring back tone; If it is determined that another packet sent from the external line to the protocol analyzer through the Ethernet matching unit is a call connection packet, the protocol analyzer confirms that the call destination of the protocol is the telephone by the lookup processor, and confirms with the telephone. When the microprocessor transmits a normal call connection message reception state to the microprocessor, the microprocessor controls the ring control unit and the relay to cut a ring back tone, and the microprocessor controls the codec processing unit and the call circuit unit. Connecting a call path between an internal LAN line and the receiver, storing information about the connected destination address in the memory, and transmitting a normal message reception state to the protocol conversion unit in the protocol analyzer; Remind pro An eighth step of generating a connection confirmation message including a destination address by a protocol conversion unit to transmit the connection confirmation message to the external line through the Ethernet matching unit; Judging whether a logical channel connection request message is received from the external line, and when a logical channel connection is requested, requesting protocol analysis of a packet from the Ethernet matching unit to the protocol analyzer; If the protocol analysis unit analyzes the protocol and at the same time determines that the result of the analysis by the look-up processing unit is that the call point of the protocol is the phone, it is determined that the logical channel connection request is a case, the result is transferred to the protocol conversion unit. Transmitting a logical channel connection confirmation message to the external line through the Ethernet matching unit by generating a logical channel connection confirmation message including a destination address in the protocol conversion unit; After performing step 10, if the Ethernet matching unit receives the packet through the line, the received packet is sent to the protocol analyzer to analyze the protocol and at the same time, the lookup processor determines whether the call point of the protocol is the telephone. An eleventh step of sending the analyzed data to the echo canceller and the codec processing unit to make voice information, and then transmitting the generated voice signal to the call circuit unit to listen to the handset; The voice information to be delivered by the handset is transmitted to the echo canceller and the codec processor through the call circuit unit, and the transmitted speech information is converted into compressed data by the echo canceller and the codec processor and transmitted to the protocol converter. And a twelve step of forwarding the transmitted data to the external line through the Ethernet matching unit by adding the packet form and the destination address of the internet format. Method of handling call of structure.