CN201114310Y - Communication dial-up device for mixed character user account - Google Patents

Abstract

The utility model provides a communication of mixed character user account is dialled and is connect device, its computer network telephone user who dials and connects mixed character account with traditional phone, include: the traditional telephone dials the called computer network telephone user of the mixed character account number in a direct dialing mode through a numeric keyboard of the traditional telephone; microprocessor, mixed character account number of called computer network telephone user dialed by traditional telephone set, translated by the microprocessor and the pre-planned digit code of letter symbol and digit combination code corresponding table pre-stored with plural sets of letter code and digit combination code, and converted into the actual account code of called user; the account code of the called user is transmitted to the computer of the computer network telephone user through a sound processing circuit connected with the microprocessor and a connecting interface connected with the sound processing circuit, and the communication of calling the remote computer network telephone user is completed. The utility model avoids the trouble that a called user needs to be dialed at a fixed-point computer.

Description

Communication dialing device for mixed character user account

technical field

The utility model relates to a computer network telephone communication technology, in particular to a communication dialing device for a computer network telephone user who uses a traditional phone to dial a mixed-character account.

Background technique

Internet telephony is a technology that operates a computer and makes calls through the Internet (Internet) for communication. Whether it is a home or business user, as long as they have a broadband network and install an Internet phone box (Gateway) on the client side, they can make calls through the broadband network for communication.

Computer Internet telephony technology compresses analog voice signals into digital data packets, and then performs point-to-point real-time voice transmission on the basis of the network. The use of the Internet can not only provide real-time voice services, but also connect to all parts of the world, so that users can conduct long-distance telephone conversations without going through the public switched telephone network (PSTN, that is, ordinary traditional telephone lines). With the popularity of broadband Internet access, using the Internet for voice communication is a future trend.

Utility model content

Generally, the user account code of the computer network phone is composed of English letters, symbols and numbers to identify the user. When the user dials the called party, he needs to select the called party on the fixed-point computer to achieve the purpose of communication. Therefore, when dialing and connecting the called user at every turn, it is necessary to implement the click and dial program at the computer end. This method of clicking and dialing in front of the fixed-point computer, in addition to interfering with and interrupting the personnel who are already using the computer, also causes substantial inconvenience and restrictions, and for people who are not familiar with computer operations, it is a practical inconvenience. There are many obstacles, so there is a need for improvement.

The primary purpose of this utility model is to provide a communication dialing device for computer network telephone users who use traditional phones to dial in mixed-character accounts. For a telephone user, the traditional telephone set dials the called computer network telephone user with a mixed-character account in a direct dial mode through the traditional telephone digital keyboard, and the mixed-character account of the called computer network telephone user dialed out by the traditional telephone is passed through a The microprocessor and a letter symbol and number combination code correspondence table pre-storing the corresponding data of complex group letter codes and number combination codes are converted into the actual called user account code, and then connected via a An audio processing circuit of the microprocessor and a connection interface connected to the audio processing circuit are transmitted to the computer of the computer network phone user to complete the communication of calling the remote computer network phone user.

The utility model uses the digital keypad of the traditional telephone set to dial the called user of the account with mixed characters by direct dialing through the pre-marked digital code translation, and avoids the trouble of having to dial and connect the called user at a fixed-point computer.

Another purpose of the utility model is to translate the dialed code into a mixed character code when the user dials the called user, and display it on the display in a parallel manner, so as to facilitate the dialing caller to identify the correction.

Another purpose of the present utility model is to provide a function of automatically establishing a telephone book, automatically storing and recording user account numbers and translating and dialing calls. When the user dials the account number of the called party for the first time according to the rules of the alphanumeric conversion table, the account number is converted into a mixed-character account number, which is stored in the memory together with the code dialed from the telephone keypad, and is ready for use. When the user needs to call the user again, the user can directly dial and call the user through the look-up key of the device. On the contrary, when the device is in the called mode, the microprocessor retrieves the account code of the calling terminal through the audio processing circuit, and after translation The digital code and the mixed character code are displayed on the display side by side, and are stored and recorded in the memory, so that the user of the device can conveniently dial and receive calls.

Description of drawings

Fig. 1 is the functional block diagram of the circuit of the present utility model.

Fig. 2 is the embodiment circuit diagram of the utility model.

Fig. 3 is the corresponding table of letter symbols and digital combination codes of the utility model.

Description of main component symbols:

101: Call detection circuit

102: Ring current generation and call current loop

103: Audio decoding circuit

104: Communication coupling loop

105: Audio processor circuit

106: memory loop

106a: memory for correspondence table of alphabetical symbols and digital combination codes

106b: user corresponding account storage

106c: temporary storage memory

107: Display

MCU: microprocessor

BR1: rectifier circuit

R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14: Resistors

C1, C2, C3, C4: capacitance

P1: Optocoupler

CT: Coil

T1, T2: Telephone connection terminal

L1, L2: call loop

TEL: telephone

IC1: Ring current generator

IC2: DTMF decoder

IC3: Audio chip

OPA, OPB: operational amplifiers

TR1: Transistor

RY1: Relay

RY1a, RY1b: relay contacts

USB: connection interface

PC: computer

SP: Pronunciation unit

TAB1: Correspondence table of letter symbols and number combination codes

TAB1a: letter code

TAB1b: digit combination code

Detailed ways

The specific structural design adopted by the utility model will be further described by the following embodiments and accompanying drawings.

The communication dialing device of the mixed character user account of the utility model provides the communication dialing device of the computer Internet telephone user who dials in the mixed character account with the traditional phone, through the pre-drawn digital code translation, using the traditional telephone digital keyboard, to directly dial Dial the called user of the mixed character account in this way, avoiding the trouble of having to dial the called user at the fixed-point computer. The utility model identifies and dials out the call code (0---9#*, etc.), and then converts the received code into the actual called number after the microprocessor and the built-in pre-programmed digital code are translated. The user account code is then transmitted to the computer through the audio processing loop through the connected transmission line, and the communication requirement of calling the remote computer Internet phone user is completed.

Referring to shown in Fig. 1, it is the functional block diagram of the circuit of the present utility model, and it comprises a speech detection loop 101, a ringing current generation and a conversation current loop 102, an audio frequency decoding loop 103, a communication coupling loop 104, a Audio processor loop 105, a memory loop 106, a display 107, and a microprocessor MCU. When the utility model is actually commercialized, it can be accommodated in a box structure, can also be accommodated in a telephone system, and can also be combined in a computer device in the form of a computer adapter card.

Referring to shown in Fig. 2, it is the embodiment circuit diagram of the present utility model, is described as follows:

Call Detection Circuit 101

The loop is composed of a rectifier circuit BR1, resistors R1, R2, R3 and an optocoupler P1, and the telephone connection terminals T1 and T2 are connected to the traditional telephone TEL. When the user's phone lifts the telephone TEL, the detection circuit 101 passes through the electric current and informs the microprocessor MCU client side of the need to speak in a digital signal mode.

Ring current generation circuit 102

This loop is composed of resistors R4, R5 and ring current generator IC1. This loop provides the working current required for the dial-up communication of the telephone system, and can also provide dial tone and busy line tone when sending a call. When the computer network phone receives a letter, the circuit sends a ringing signal to the phone end through the control of the microprocessor MCU, and drives the phone to ring to answer.

Audio decoding circuit 103

This loop is composed of DTMF decoder IC2, resistors R6, R7, capacitors C1, C2 connected across the communication loop L1, L2, its main purpose is to continue to capture the dialed connection when the telephone system has a need to send a letter The called terminal code is decoded and transferred to the microprocessor MCU for translating the code into the called account.

Communication coupling loop 104

This circuit is composed of coil CT, resistors R8, R9, R13, R14, R12, R10, capacitors C4, C3, operational amplifier OPA and operational amplifier OPB. The main function of this circuit is to output the two-wire signal of the computer's audio processor And the two-wire signal input (the input and output are equal to four wires), through the matching of the aforementioned components, it is converted into the usual two-wire form of the telephone communication system, and vice versa.

When communication is required, the microprocessor MCU drives the relay RY1 to act through the signal line RY via the resistor R11 and the transistor TR1, so that the relay contacts RY1a and RY1b are closed, and the telephone TEL is connected to the telephone TEL through the call detection circuit 101 and the call circuit L1 and L2. Connect to a computer network telephone communication link to form a communication.

Conversely, when detecting incoming letters from the computer network, the microprocessor MCU also drives the relay RY1 to act through the signal line RY via the resistor R11 and the transistor TR1, so that the relay contacts RY1a and RY1b are closed, and the telephone TEL is passed through the call detection circuit 101 and the call circuit. L1, L2 are connected to the computer network telephone communication link to form the communication.

Audio processor loop 105

This circuit mainly converts the digital signal received by the Internet into an audible analog signal by the audio chip IC3, or converts the input analog signal into a digital signal and sends it to the Internet, and connects with the computer PC through the connection interface USB.

Another function of this circuit is to accept incoming calls from the computer network telephone through the detection and driving of the microprocessor MCU, and transmit the caller's account number to the microprocessor MCU.

memory loop 106

The memory loop is divided into three parts:

One is letter symbol and numeral combination code correspondence table memory 106a, stores at least one letter symbol and numeral combination code correspondence table TAB1 (as Fig. 3), and it comprises the corresponding data of complex group letter code TAB1a and numeral combination code TAB 1b . The microprocessor converts the letter code TAB1a or the number combination code TAB1b according to the letter symbol and number combination code correspondence table TAB1.

The second is the user corresponding account storage 106b, which is used as a recording area (phone book) for user corresponding account, and is used to store at least one user corresponding account, which can be added, deleted, consulted and edited through the microprocessor MCU.

The third is the temporary storage memory 106c, which is used to store at least one outgoing and incoming user account number.

Microprocessor MCU

The microprocessor MCU is connected to each function circuit of the device to judge and process the corresponding dial-up and selection program, and the action information conveyed through the relevant detection circuit is used to execute the control of dial-up, selection and incoming letter response.

According to the digital symbol conversion table built in the memory, the code sent by the phone is converted into a mixed-character account code, and vice versa, the mixed-character account code of the caller is converted into a code that can be transmitted by the phone keyboard.

The translated and received codes are stored in the memory, and can be deleted, searched and transferred through the edit key.

The microprocessor MCU is connected with a sounding unit SP.

For the transmission and control of various information in the device, the microprocessor MCU sends audible corresponding signals through the pronunciation unit SP.

Display 107

The display is controlled by the microprocessor MCU, and displays data such as combination codes of letters, symbols and numbers, user corresponding account numbers, and digital codes of user account numbers, as well as visual operation control information.

Device working instructions:

make a call

Phone dialing mode:

When a user needs to dial a user on the computer network side, if it is the first time to dial the user, the user's alphabetic symbols can be converted into corresponding digital codes, which can be directly dialed out through the traditional phone keyboard. (The comparison table is shown as an example in Figure 3)

If the computer user account to be dialed out is tone5978, the digital codes after comparison are 20151405 and 5978, so the user lifts the microphone and presses *20151405*5978 to be received by the dialing decoding circuit, and then sent to the microprocessor after decoding device.

After the microprocessor receives the group of telegrams, it recognizes that the numbers between the two *characters need to be converted into alphabetic symbols, so *20151405* is converted into tone and 5978 is added, together with the received telegram of *20151405*5978, It will be displayed on the LCD screen together, and then the interpreted tone5978 account number will be transmitted to the computer through the sound effect processing circuit, and the relay RY will be driven to make the relay work, and the communication coupling circuit will be connected to form a call, and the outgoing call procedure will be completed.

Device selection mode:

If the computer user account that the user wants to dial has been stored in the memory of the device, the user can use the UP or DN editing key to view the user account.

The LCD display displays the user accounts in the memory one by one according to the selection of the edit key.

After the call target user is selected, press the DA key, and the microprocessor will transmit the user account to the computer through the audio processing circuit to complete the dial-out call. At the same time, an audible call completion tone will be sent through the SP, and the user can lift the microphone. Wait for the other party to answer the call.

When the call ends and the user hangs up the phone, the call detection loop current is interrupted until the HK potential drops, and the microprocessor releases the relay to cut off the connection of the communication coupling loop, and completes the disconnection procedure.

letter answering

When a remote computer user calls, the USB receives the information delivered by the computer, and transfers it to the microprocessor through the sound processor, and the microprocessor sends the received incoming letter user account to the LCD display, and translates the account into a telephone number. The dialed code is also displayed.

The microprocessor drives the RN and FZ to send the ringing signal to the Tip and Ring terminals for the telephone to generate a ringing signal. When the user raises the handset to speak, the detector acts and informs the microprocessor to stop the ringing accordingly. Bell, the microprocessor drives the relay RY to make the relay work, and the communication coupling loop is connected to form a call.

When the call ends and the user hangs up the phone, the call detection loop current is interrupted until the HK potential drops, and the microprocessor releases the relay to cut off the connection of the communication coupling loop, and completes the disconnection procedure.

User Account RecordEdit

The user account that the user can call from the incoming mail is transferred from the temporary storage area of the memory to the phone book recording area. After selecting the required user account through the edit key, press the STO key and the user account is stored in the phone book area, and vice versa. Use the CL key to delete the user account.

The user can also pre-store the user account number in the memory through the telephone. Assuming that the ken-3349 account number is to be stored in the memory in advance (not calling the user), the digital codes after comparison are 11051427 and 3349, so the user lifts the microphone Press #20151405#3349 to be received by the dial decoding circuit, and then sent to the microprocessor after decoding.

After the microprocessor receives this group of codes, it recognizes that the numbers between the two # characters need to be translated into alphabetic symbols, so #11051427# is converted into ken- and 3349 is added, together with the received #11051427#3349 code , are displayed on the LCD screen and stored in the phonebook area, and an audible tone is sent through the SP after the recording is completed.

The microprocessor knows that the received code starts with the word #, so it does not perform the user calling program on the computer side. On the contrary, after sending the recording completion tone, it can continue to accept other user account recordings. When the user hangs up the phone, the device replies and waits. machine status.

It can be seen from the above embodiments that the utility model can really increase the ease of use, so the utility model does have industrial utility value and practicability, and has a significant effect improvement compared with the prior art, so the utility model is also have met the requirements of the patent. But the above narration is only the description of the preferred embodiments of the present utility model, and those who are proficient in this skill can make other various improvements according to the above description, these changes still belong to the creative spirit of the present utility model and the scope of the following patents middle.

Claims (5)

1. A communication dialing device of a mixed character user account, the communication dialing device of this mixed character user account dials the computer network phone user of the mixed character account with a traditional phone, it is characterized in that, said communication dialing device comprises: A traditional telephone set, the traditional telephone set dials the called computer network telephone user of the mixed-character account in a direct dial mode through the digital keyboard of the traditional telephone set; Microprocessor, the mixed-character account number of the called computer network telephone user dialed out by the traditional phone, combined with a letter symbol and number pre-stored with corresponding data of a complex letter code and number combination code through the microprocessor The digital code translation pre-programmed in the code correspondence table is converted into the actual called user account code; Sound effect processing circuit and connection interface, the called user account code is transmitted to the computer of the computer network telephone user through a sound effect processing circuit connected to the microprocessor and a connection interface connected to the sound effect processing circuit , to complete the communication of calling the remote computer VoIP user. 2. The communication dialing device of mixed character user account as claimed in claim 1, is characterized in that, described device comprises: A call detection circuit has a pair of telephone connection terminals and a pair of communication circuits, wherein the telephone connection terminals are connected to a telephone; A ring current generating circuit, which provides the working current required for dial-up communication, and can also provide dial-up tone and busy tone when dial-up; An audio decoding circuit, which is connected to the communication circuit. When the telephone system needs to send a message, it will continue to retrieve the code of the called terminal dialed and connected. After decoding, it will be transferred to the microprocessor for translation specification translation become the account number of the called party; A communication coupling circuit, which converts the two-wire signal output and two-wire signal input of the computer's audio processor into the usual two-wire form of the telephone communication system, and vice versa; when communication is required, the microprocessor drives the relay action by the signal line , so that the relay contacts are closed, and the telephone is connected to the computer network telephone communication link through the call detection circuit and the call circuit to form communication; otherwise, when the computer network telephone incoming letter is detected, the microprocessor also drives the relay action through the signal line, Make the relay contact close, and connect the phone to the computer network telephone communication link through the call detection circuit and the call circuit to form communication; A sound effect processor circuit converts the digital signal received from the Internet into an audible analog signal, or converts the input analog signal into a digital signal and sends it to the Internet, and connects it to the computer through the connection interface; the other circuit The function is to accept incoming calls from the computer network telephone through the detection and driving of the microprocessor, and send the caller's account number to the microprocessor; A memory circuit for storing the correspondence table memory of the letter symbols and digital combination codes, storing at least one letter symbol and digital combination code correspondence table, which includes the corresponding data of multiple sets of letter codes and digital combination codes, and the microprocessor Mutual translation of letter codes or digital combination codes according to the correspondence table of the letter symbols and digital combination codes; A microprocessor is connected to each functional loop of the device to judge and process the corresponding dial-up and pick-up program. The action information conveyed through the relevant detection loop is used to execute the control of dial-up, pick-up and incoming letter response. The microprocessor converts the telegram sent by the phone into a mixed-character account code according to the digital-symbol conversion table built in the memory, and vice versa converts the mixed-character account code of the calling party into a telecode that can be transmitted by the phone keyboard. 3. The communication dialing device for mixed-character user accounts as claimed in claim 2, wherein the memory circuit also includes a user-corresponding account storage, which is used as a storage area for storing at least one account corresponding to the user. The account corresponding to the user can be added, deleted, consulted and edited by the microprocessor. 4. The communication dialing device for mixed-character user accounts as claimed in claim 2, wherein said memory circuit also includes a temporary storage memory for storing at least one outgoing and incoming user account number code. 5. the communication dialing device of mixed character user account as claimed in claim 2, it is characterized in that, described device also comprises a display, is subjected to the control of microprocessor, shows letter symbol and numeral combination code, user's corresponding account number, User account numbers and other data, as well as display visual operation control information.

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