KR20010110606A - Pc free internetphone system - Google Patents

Abstract

The present invention is a voice call system in an internet communication network or a data communication network using an additional device for calling, which is operated by an Internet telephone apparatus when a user detects a hook sensor and a one-chip microcomputer of a voice call apparatus by using an Internet telephone number. The present invention relates to a voice call system, which is configured to be used in a general telephone network and improves the convenience of use to implement various telephone calls. By using the telephone, the hook sensor 12 and the one-chip microcomputer 17 detect whether the telephone is used or not, and if the internet telephone number is selected, it operates as an Internet telephone apparatus and switches to the usual telephone network. The sound between the public data network (3) and the internet communication network (5) to which the public telephone network (2) is connected. Internet service provider server 4 which connects the user of call device 1 to the internet communication network 5, and voice call device 1 'and voicecraft network 7 connected to the internet communication network 5; It consists of a separate voice call device (6). The voicecraft network 7 constructs an abstract telephone network using the voice call device 1, not a physically constructed network.

Description

Internet phone system without a personal computer {PC FREE INTERNETPHONE SYSTEM}

The present invention relates to a voice call system in the Internet network using an additional device for calling, and more particularly, when the user detects the hook sensor and the one-chip microcomputer of the voice call device by using the Internet phone number. The present invention relates to a voice call system that improves the convenience of use to implement various telephone calls by switching to a general telephone network in addition to configuring a service.

The use of a general telephone uses a general telephone network for desired mutual calls, and on the other hand, a service is configured so that a voice telephone can be implemented in a computer network using an internet phone made of software in an internet communication network or a data communication network. Most of these Internet phones are operated by a keyboard of a personal computer to make a voice call by calling a corresponding party on the Internet.

For example, by inputting through a personal computer and a keyboard, a user may interrupt a current work with a personal computer and input a keyboard to implement a mutual call through a headset.

In addition, the conventional Internet phone by operating a separate phone server (PHONE SERVER) in the Internet communication network to configure the service to call each other to the number registered in the phone server by centrally managing the identification number, the phone whenever the user calls Since the phone server has to go through, the capacity of the phone server has to be large as well as high speed.

Therefore, users who are currently using the Internet phone not only require a means to use more conveniently in use, but also to be able to use as a normal telephone.

The present invention has been invented to solve the inconvenience in use of the conventional Internet phone as described above, and can be easily installed and operated to enable the use of the Internet phone using a general telephone line, the user of the Internet phone number When the hook sensor and one-chip microcomputer of the voice call device are selected by using the service, the service is configured to operate as an Internet telephone device, and the Internet communication network can realize various telephone calls by simply configuring software and hardware through the one-chip microcomputer. Its purpose is to provide a voice call system.

1 is a configuration diagram of a service using a voice call system in an Internet communication network according to an embodiment of the present invention;

2 is an internal circuit diagram showing in detail the voice call device shown in FIG.

3 is a block diagram of software for explaining a voice call system in an internet communication network of the present invention;

4 is a system diagram for operating a voice call system in the Internet communication network of the present invention.

* Explanation of symbols for main parts of the drawings

1, 1 ': voice call device 1-1: voice call operation system

2: public telephone communication network 3: public data communication network

4: Internet service provider server 5: Internet communication network

6: voice call device 7: voicecraft network

8, 8 ', 8' ': Telephone 11: Relay

12: hook sensor 17: one chip microcomputer

Voice communication system in the Internet communication network of the present invention for achieving the above object, the hook sensor 12 and the one-chip microcomputer 17 between the public telephone communication network (2) and the general telephone (8) by the user using the Internet phone number ) Is selected, the voice communication device 1 which operates as an Internet telephone apparatus and switches to a normal telephone network, and between the public data communication network 3 and the Internet communication network 5 to which the public telephone communication network 2 is connected. Internet service provider server 4 which connects the user of voice call apparatus 1 to the internet communication network 5, and voice call apparatus 1 'and voicecraft network 7 connected to the internet communication network 5; It is characterized by consisting of a separate voice call device (6).

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

1 is a block diagram of a service using a voice call system in an Internet communication network according to an embodiment of the present invention. The present invention provides a communication system between a public telephone network 2 and a general telephone 8 to which a general telephone 8 'is connected. When the user detects the hook sensor and the one-chip microcomputer by using the Internet phone number, the voice call device 1 which operates as an internet phone device and switches to a normal telephone network is installed and operated in various ways.

Internet service provider server (4) which connects the user of the voice communication device (1) to the Internet communication network (5) between the public data communication network (3) to which the public telephone communication network (2) is connected and the Internet communication network (5). The voice call device 6 is installed in the voice call device 1 'connected to the Internet communication network 5 and the personal computer CP connected to the voicecraft network 7.

As shown in FIG. 2, the one-chip microcomputer 17 is connected through the relay 11, the hook sensor 12, and the hook switch 13 in the voice call device 1, 1 ′. The microcomputer 17 has a codec 16 through a line converter 15 connected to the hook sensor 12, and a software modem 18 through a line converter 14 connected to the hook switch 13, respectively. On the other hand, the auxiliary communication 19, DRAM 20 and flash ROM 21 are also connected.

When the relay 11 does not operate as a communication function of the voice communication apparatuses 1 and 1 ', the switch contact is turned on so that the public telephone communication network 2 and the general telephone 8 to which the general telephone 8' is connected are connected. Since it is connected, it usually uses a regular telephone network.

On the other hand, the voice call device 1, the switch contact of the relay 11 is turned off so that the user can use the Internet phone using a general telephone line, under the control and control of the one chip microcomputer 17, When the hook sensor 12 and the one-chip microcomputer 17 is selected by the detection of the service configuration to operate as an Internet telephony device.

One-chip microcomputer 17 for checking the contact state of the relay 11 is equipped with an operating system as shown in Figure 3 to control the application and the hardware I / O in association. In addition, the hook sensor 12 which detects whether the handset of the ordinary telephone 8 is lifted and the hook switch 13 which functions as an off hook of the telephone, that is, loop formation on the telephone line connected to the trunk line are checked. . The hook sensor 12 outputs 0 bits to the hook-on as the handset is lowered, and outputs 1 bit to the hook-off as the receiver is lifted.

The line converter 15 connected to the hook sensor 12 and the line converter 14 connected to the hook switch 13 are two DAAs, and two telephone line signals are separated into four signal lines. Are all listed. The line converter 15 separates the transmitted / received voice signals and connects them to a codec 16 to form a PCM.

The codec 16 connected between the line converter 15 and the one chip microcomputer 17 serves to digitalize the analog voice signal (PCM) or vice versa.

The software modem 18 connected between the line converter 14 and the one-chip microcomputer 17 opens a data communication path after dialing up with a counterpart modem through a telephone line.

The software modem 18 is composed of a modem 22 while being shared with the one chip microcomputer 17. The modem 22 includes a ROM 23, a RAM 24, a data signal processor 25, and a codec 26. ) Is configured. The one-chip microcomputer 17 has an RS-232C auxiliary serial communication port for managing auxiliary communication 19 such as data input / output and software download, DRAM 20 which is a program execution memory such as an operating system, applications and firmware shown in FIG. The flash RAM 21, which is a memory for storing all data such as an operating system, an application and firmware, and data shown in FIG. 3, is connected to each other.

Fig. 3 is a block diagram of software for explaining a voice call system in the Internet communication network of the present invention. In the application in the voice call device 1, 1 'shown in Fig. 1, the phone state check is the user's phone state. If the user selects the handset and wants to use the Internet telephone function, the dial stores the stored number pressed by the user and attempts to dial the stored Internet telephone number. The script of the public data communication network 3 executes a script for visiting the Internet service provider server 4 after the modem connection.

The TCP / IP (PPP) connection connects the TCP / IP of the partner service. The Relative Call finds and sends a call signal to the internal database and the user of the voicecraft network 7 after the link (the H 323 standard). The call constitutes a call between users after the counterpart is completed. Additional features include announcements or commercials for the user's waiting on the dial, and alerts or announcements when a call is not possible due to network problems during the call.

In the voice call operating system 1-1, TCP / IP configures and operates a network environment, a database constructs and operates a database, and a firmware interface performs various control commands of firmware.

In firmware, codec control is used to read or send data from a codec, the auxiliary communication port is an auxiliary port for data communication, and a software modem is a software driven modem. The hook sensor checks the user's handset status, the hook switch is a switch of the trunk line connection before the CO line dial, and the relay is a conduction switch.

4 is a system diagram for operating a voice call system in the Internet communication network of the present invention. Operation of the voice call system in the Internet communication network of the present invention will be described with reference to FIGS.

First, the telephone number check, dial and call starts when the user picks up the handset of the ordinary telephone 8 and the voice call device 1 buffers the number in the DRAM 20. In this case, the telephone dialed by the user The number will not be sent to the CO line. That is, when the dial is started, the dial tone is transmitted through the relay 11 in the on state, and the dial buffer is stored in the DRAM 20 through the one-chip microcomputer 17. After the first dial is stored, the relay 11 is turned off.

After that, in the case of a general telephone, the voice call device 1 dials the number in the buffer by the one-chip microcomputer 17, and the relay 11 is turned on after the dial is formed to form a call path. On the other hand, in the case of an Internet phone, the one-chip microcomputer 17 turns off and dials the relay 11, connects the software modem 18 with the protocol of TCP / IP, and forms a call over the Internet.

The check of the hook switch 13 in the one-chip microcomputer 17 outputs 0 bits through the hook sensor 12 when no communication is made, and the user call attempt is carried out by picking up the handset of the telephone 8. 1 bit is output from and transferred to the one chip microcomputer 17.

In the voice call device 1, the analog signal is converted into a digital signal, and the digital signal is converted into an analog signal by analogue transmission and reception between the general telephone 8, the hook sensor 12, and the line converter 15. Transmitting and receiving is separated between the line converter 15 and the codec 16, and the codec digital input and the codec digital output are achieved between the codec 16 and the one-chip microcomputer 17.

Between the one chip microcomputer 17, the software modem 18, and the line converter 14, dialing and transmission data are transmitted to the trunk line through the hook switch 13, and the reception data is transmitted in reverse, and the one chip microcomputer 17 is provided. The phone number data is passed to the software modem 18. The modem signal is generated by the data signal processor 25 to operate as the modem 22.

As shown in Fig. 4A, the TCP / IP connection connects the Internet service provider server 4 of the Internet communication network 5, and then TCP / IP reply (try connection) and TCP / IP link.

In FIG. 4B, the voice call network 7 is a login, and the telephone 8 and the voice call device 1 are connected to the Internet communication service provider server 4 via the Internet communication network 5. The respective databases (DB2-DB4) are connected by ID / telephone number and IP address in the device (1). Therefore, its own IP, ID and the like are registered in each server on the Internet communication network 5, thereby securing the location information of this server, that is, the database holding servers.

In Fig. 4C, as a relative call, the telephone 8 and the voice call device 1 are connected to separate voice call devices connected to respective personal computers CP1 to CP3 via the Internet communication network 5. In the voice call apparatus 1, the other party dials and inquires the user's location on the Internet communication network 5 including his database DB1, and the user's personal computer CP1 sends a response code and sets up a call. A call is made to a separate voice call device of these computers.

As an internal operating function of the voice call operating system 1-1, the network traffic status check function periodically checks the network utilization rate to generate callable / disabled data. When a network traffic occurs, it sends out a warning sound or a guide voice to the user, and its own voice guide function can hold various voice guides or advertisements and has an automatic download function when connecting to the Internet.

As described above, according to the present invention, it is possible to easily install and operate the Internet phone using a general telephone line, and the user selects the detection of the hook sensor and the one-chip microcomputer of the corresponding voice call device by using the Internet phone number. In addition, it is possible to provide a voice call system in an internet communication network that can implement various telephone calls by simply configuring software and hardware through the one-chip microcomputer as well as configuring a service to operate as an Internet telephone apparatus.

Claims (4)

When the hook sensor 12 and the one-chip microcomputer 17 are selected by the user between the public telecommunication network 2 and the general telephone 8 by using the Internet telephone number, the user operates as an Internet telephone apparatus and switches to the normal telephone network. Voice call device (1), A server 5 which connects the user of the voice communication apparatus 1 to the internet communication network 5 between the public data communication network 2 connected to the public telephone communication network 2 and the internet communication network 5; A voice call system in an internet communication network, comprising a voice call device (1 ') connected to the internet communication network (5) and a separate voice call device (6) of a voicecraft network (7). 2. The one-chip microcomputer 17 according to claim 1, wherein the one-chip microcomputer 17 is connected to the voice call device 1, 1 'through a relay 11, a hook sensor 12, and a hook switch 13. 17 is a secondary communication as the codec 16 through the line converter 15 connected to the hook sensor 12, the software modem 18 through the line converter 14 connected to the hook switch 13, respectively 19, a voice call system in an Internet communication network, characterized in that the DRAM (20) and the flash ROM (21) are also connected. In the LOGIN of the voicecraft network 7, the telephone 8 and the voice call device 1 are connected to the Internet communication network 5 via the Internet service provider server 4, and the ID in the voice call device 1 is transmitted. Each database (DB2-DB4) is connected from the telephone number and the IP address, and its own IP and ID are registered in each server on the Internet communication network 5, and the location information of this server, that is, the database holding server, is displayed. Voice call system in the Internet communication network, characterized in that secured. In the relative call, each of the personal computers CP1-CP3 is connected to the telephone 8 and the voice call device 1 through the Internet communication network 5, and the other party dials in the voice call device 1 Inquiry of the user's location on the Internet communication network 5, including the database DB1, the user's personal computer (CP1) is sent a response code, and after the call set-up has established a call of the telephone connected to these computers A voice call system in an internet communication network.