KR20020064066A - Telephone equipped with caller id display function and mesage transmission method using thereof - Google Patents

Abstract

PURPOSE: A telephone having a CID(Calling Identity Delivery) function and a method for transmitting a message using the same are provided to transmit random character data to an object during a telephone conversation by directly generating a caller ID in a telephone of a user. CONSTITUTION: In case that a user transmits a character, the user pushes a caller ID function key composed in a keypad of a telephone(S12) and inputs a transmitting character through the keypad. A microcomputer successively stores character messages inputted through the keypad in a memory unit(S13). If the input of the character messages are ended, the user pushes the caller ID function key again for transmitting the inputted character messages(S14). The microcomputer transmits the inputted character messages to a codec for converting the character message to be suitable for a CDMF(Caller ID Data Message Format)(S15), generates a handset as a mute state for preventing an interference by a voice signal inputted from the user(S16), and outputs the converted message through a telephone line(S17).

Description

TELEPHONE EQUIPPED WITH CALLER ID DISPLAY FUNCTION AND MESAGE TRANSMISSION METHOD USING THEREOF}

The present invention relates to a method for transmitting a message of a phone with a built-in caller information display function, and more particularly, to a phone with a caller information display function used in a general telephone network (PSTN) and a message transmitting method using the same.

There are two main methods of transmitting caller ID (CID: Caller ID) currently used (Type 1, Type 2). First (Type 1) is the method of transmitting caller information (CID) in the on-hook state. (Type 2) is a method of transmitting caller information (CID) in an off hook state.

Then, the method will be described in more detail with reference to FIG. 1.

First, the method of transmitting the caller information (CID) to the phone in the on-hook state, as shown in Figure 1, the caller information (CID) in the idle period (about 4 seconds) between the ring ring interval (about 2 seconds) To insert and send.

Accordingly, the phone receiving the ring signal with the caller information (CID) inserted therein detects the ring signal and rings the phone, and the caller information (CID) included in the ring signal is separately detected and stored in the storage device. Or display via the display.

Next, the method of transmitting caller information in the off-hook state (calling state), when the caller information (CID) start signal is input during the voice call, as shown in Figure 2, the voice communication is interrupted for a short time (mute) In this case, caller information is received and displayed on the display device.

In the above-described two methods of transmitting caller information, only the information such as time, date, name, telephone number, etc. is limitedly transmitted in a certain format (CDMF: CID Data Message Format) determined by the telephone company.

Therefore, there is a problem in that any data transmission that a user intends to transmit between two telephone sets of calls is not made.

Therefore, the present invention was created to solve the above-mentioned conventional problems, by generating caller information (CID) directly from the user's telephone, not the exchange of the telephone company, so that any text data can be transmitted to the other side during the call. An object of the present invention is to provide a phone with a caller information display function and a message transmission method using the same.

1 is an exemplary diagram for explaining a method of transmitting caller information (CID) to a telephone in an on-hook state.

2 is an exemplary diagram for explaining a method of transmitting caller information in an off hook state;

Figure 3 is a block diagram showing the configuration of a phone with a built-in caller information display and text transmission function according to the present invention.

4 is an exemplary diagram for explaining a call process of two users using a CID telephone.

5 is a flowchart illustrating a process in which a user of one of two users in a call transmits a message to a user of the other side.

FIG. 6 is a flowchart illustrating a process when a user of one of two users in a call receives a message from a user of the other.

7 is a diagram illustrating the configuration of a type 2 CID message (CDMF).

8 is an exemplary view showing a configuration for message transmission other than the standard by the present invention.

The present invention for achieving the above object, RJ-11 connector for connecting the telephone line to the telephone body; A ring detector for detecting a ring signal; A hook switch for switching a call possibility state by hooking a telephone handset on or off; A data access arrangement (DAA) for appropriately controlling impedance or current of a telephone set required by a telephone station; A hybrid circuit for blocking a telephone line generating high voltage and a telephone operated at a low voltage and transmitting a voice signal or CID signal of an appropriate size to a codec; A CID relay for transmitting the CID signal from the telephone line to the hybrid under the control of a microcomputer; A voice processing codec for processing voice signals input and output through a telephone line; A microcomputer that controls each function of the telephone and generates and interprets CID signals; A transmitter / receiver for transmitting and receiving voice with the other party; A CID display unit for displaying caller information (CID); A keypad including a telephone number and text for making a call and various function keys; Characterized in that the memory unit for storing the program and text information for operating the phone.

In addition, according to the present invention having the above technical configuration, when one of two users on a call wants to transmit a message to a user on the other side, the microcomputer presses a CID function key provided on the keypad of the telephone. A first step of recognizing this; When the message to be transmitted is input through the keypad, a second step of sequentially storing the message to the memory unit; When the input of the message is completed, the user presses a CID function key to instruct the microcomputer to transmit the message; Converting the message to a CID format through a voice processing codec; And a fifth step of transmitting the message converted into the CID format and releasing the silence state to resume the call.

In addition, the present invention, if the user of any one of the two users on the call to receive a message from the user of the other side, when receiving a CID signal from the other side of the first step of switching to the mute state; A second step of sequentially storing the received message in a memory and determining whether CID input is terminated; When the CID input is completed, a third step of releasing the mute state of the handset to resume the call and outputting the received message to the CID display device.

Hereinafter, an embodiment according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is a block diagram showing the configuration of a telephone with a built-in caller information display and text transmission function according to the present invention.

As shown therein, an RJ-11 connector 1 for connecting a telephone line to the telephone main body; A ring detector 2 for detecting a ring signal; A hook switch (3) for switching a call possibility state by hooking a telephone handset on or off; A data access arrangement (DAA) 5 for appropriately controlling the impedance or current of the telephone set required by the telephone station; A hybrid 6 for circuit-blocking the telephone line generating high voltage and the telephone operated at a low voltage and transmitting a voice signal or CID signal of an appropriate size to the codec 7; A CID relay 4 for transmitting the CID signal from the telephone line to the hybrid 6 under the control of the microcomputer 8; A voice processing codec 7 for processing voice signals inputted and outputted through a telephone line; A microcomputer (8) which controls each function of the telephone and generates and analyzes CID signals; A transmitter / receiver 9 for transmitting and receiving voice with the other party; A CID display unit 10 for displaying caller information (CID); A keypad 11 including a telephone number and text for making a call and various function keys; It is composed of a memory unit 12 for storing a program and text information for operating the phone.

Hereinafter, the operation and operation of the device configured as described above are as follows.

For example, as illustrated in FIG. 4, a case in which a user A wants to transmit an arbitrary character string (eg, 'ABCD') to another user B will be described with reference to the flowcharts of FIGS. 5 and 6. do.

First, the two users A and B are in a voice call (S11 and S21), and when the user A wants to transmit a text, the user presses a CID function key (not shown) provided on the keypad 11 of the telephone ( S12) The microcomputer 8 notifies that the next key value to be transmitted is a CID value for transmission to the counterpart, and inputs a text message to be transmitted through the keypad 11.

Accordingly, the microcomputer 8 sequentially stores the text messages input through the keypad 11 in the memory unit 12 (S13), and when the text message is input, the user presses the CID function key again to input the text messages. Instructs to transmit the text message (S14).

Accordingly, the microcomputer 8 transmits the input text message to the voice processing codec 7 to convert the text message into a CID format (CDMF) (S15) and to avoid interference by a voice signal input from the user. After the transmitter / receiver 9 is muted (S16), the message converted to conform to the CID signal standard is output through the telephone line 1 (S17).

At this time, the CID standard used is Type 2 (Type 2: CID transmission method in the off-hook state), and the other side CID telephone B which receives this CID signal has a type 2 standard that transmits this signal from the telephone company. It is recognized as having a CID signal.

After the transmission of the message by the above process, the mute state is released and the call is resumed (S18).

On the other hand, when the counterpart CID telephone B receives the CID signal (S22), the receiver is muted (S23) and stores the received message in the memory (S24).

Next, when the CID input is terminated (S25), the mute state of the receiver is released (S26), and the received message is output to the CID display device and the voice call is resumed (S27).

In the above-described operation method, even if the telephone receiving the message has a basic CID function, even if the telephone receiving the present invention has a basic CID function, the text message can be received.

However, this message standard has to comply with the standard (Type 2) required by the telephone exchange's electronic switchboard, so there is a limit to the length of the text message. The maximum length of data that can be transmitted is limited to a maximum of 53 bytes in total, including 8 octets of time information, 15 octets of call number, and 30 octets of caller name.

Therefore, in the present invention, by using an independent data frame for the caller information display telephone, data can be transmitted without limitation in length or format (character, binary code, etc.).

In other words, if the transmission time is not considered, not only a text message but also a binary file can be transmitted.

Looking at the configuration of the type 2 CID message (CDMF) as shown in Figure 7, the message body to which the content of the actual transmission message is added; It is in the form of a frame having a message header indicating information such as the type and length of the content added to the message body.

Here, the message type defines what each of the parameters of the message body (phone number, time, caller name, etc.) means. The value currently used is 80h (hexadecimal) and the length of the message is the message header and the message body. The total length of the sum of the lengths.

However, in the present invention, as shown in Fig. 8, the message type value is selected as an arbitrary value not defined in the CID standard, and the desired type of data can be transmitted by the desired length by allocating arbitrary bytes to the message length. Will be.

For example, if a message type value is defined as an arbitrary value (A0h) for binary type data, and a binary file of size 5KB is transferred, the message type value (A0h) is placed before the message binary file to be sent. And message length value (1F58h) is added as a header to create and send a message frame.

As described above, the phone with the present invention caller information display function and a message transmission method using the same can exchange text messages with the other party through a CID display device during a voice call, such as a simple guide message or advertisement in an ARS device. The effect is that relatively small files can be transferred without a modem connection.

Claims (3)

An RJ-11 connector for connecting a telephone line to the telephone main body; A ring detector for detecting a ring signal; A hook switch for switching a call possibility state by hooking a telephone handset on or off; A data access arrangement (DAA) for appropriately controlling impedance or current of a telephone set required by a telephone station; A hybrid circuit that cuts off a telephone line generating a high voltage and a telephone operated at a low voltage, and transmits a voice signal or a CID (Caller ID) signal of an appropriate size to a codec; A CID relay for transmitting the CID signal from the telephone line to the hybrid under the control of a microcomputer; A voice processing codec for processing voice signals input and output through a telephone line; A microcomputer that controls each function of the telephone and generates and interprets CID signals; A transmitter / receiver for transmitting and receiving voice with the other party; A CID display unit for displaying caller information (CID); A keypad including a telephone number and text for making a call and various function keys; A phone with a caller information display function, comprising: a memory unit for storing programs and text information for operating the phone. If one of the two users on a call using the phone with the caller ID display function wants to send a message to the other user, press the CID function key on the keypad of the phone to acknowledge it to the microcomputer. Making a first step; When the message to be transmitted is input through the keypad, a second step of sequentially storing the message to the memory unit; When the input of the message is completed, the user presses a CID function key to instruct the microcomputer to transmit the message; Converting the message to a CID format through a voice processing codec; A message using a telephone having a caller information display function comprising a fifth step of resuming a call by transmitting a message converted to the CID format and releasing the silence state again after making a handset / receiver mute. Transmission method. In the case where one of two users on a call using a phone having a caller information display function wants to receive a message from a user on the other side, when the CID signal is received from the other party, the first handset switches to the silent state. Steps; A second step of sequentially storing the received message in a memory and determining whether CID input is terminated; When the CID input is terminated, the receiver uses a third step of resuming the call by releasing the mute state of the handset and outputting the received message to the CID display device. Transmission method.