CN1077374C - Method for receiving dialed number during talking by double-tone multi-frequency - Google Patents

Abstract

The invention discloses a method for displaying telephone numbers by using a DTMF signaling receiving device during communication; the method includes the following steps: when the working mode of receiving telephone numbers is adopted during the conversation, the office line is connected to the dual The tone multi-frequency signaling receiving device; after the connecting step; detects the dual tone multi-frequency signaling signal corresponding to the phone number input by the calling party and displays the detected signal.

Description

Method for displaying telephone number by dual-tone multi-frequency signaling receiving device during conversation

The invention relates to a method for displaying a telephone number by using a dual-tone multi-frequency signaling receiving device during a conversation, in particular to a telephone in which the called party uses dual-tone multi-frequency (DTMF) to receive input from the calling party's keyboard during the conversation between the two parties. A method for numbers or other numbers. This patent application is based on Korean Patent Application 32144/1995, which is also incorporated herein by reference.

In a general telephone system, when the calling party inputs a telephone number with the keypad of the telephone set during a call, the telephone set of the receiving party cannot record or display the telephone number. The general telephone set only adopts such a method, that is, under the "standby" state that the user does not use the telephone set, the telephone number is stored by the receiver's EEPROM (Electrically Erasable Programmable Read-Only Memory) or the like after the input device is input. device recorded. In the case of an answering machine, the telephone number is recorded to tape or digital signal processing while the telephone is in the "talking" state. When on-hook, if it is in the "standby" state, the receiver can record the phone number by the above-mentioned method of recording the phone number, or write the phone number on the bulletin board after hearing the recording. Consequently, the result is that the recipient must write down or memorize the telephone number since the telephone number is not stored in memory while the recipient is talking.

In a word, in the prior art, when the receiver must remember any phone number immediately during the conversation, he must write down or memorize the phone number that the calling party calls. After hanging up, the recipient can use the memory dial function of the telephone to write down the telephone number. In addition, there is such an inconvenience that the calling party cannot be sure whether the receiver has correctly received the telephone number.

It is therefore an object of the present invention to provide a method for the receiving party to record any number entered by the calling party after it has been received during a call.

Another object of the present invention is to provide a method for the receiving party to display any number entered by the calling party after receiving it during a call.

In order to achieve the above-mentioned purpose of the present invention, the method provided by the present invention for having the dual-tone multi-frequency signaling receiving device for receiving the dual-tone multi-frequency signaling signal from the office line displays the method for the telephone number during a conversation, including the following steps : when adopting the phone number receiving mode in the conversation process, the office line is connected to the DTMF signaling receiving device; after the connecting step, the corresponding DTMF signaling signal of the phone number input by the calling party is detected, And display the detected signal.

A more complete understanding of the invention and its many attendant advantages can be had by referring to the following detailed description when read in conjunction with the accompanying drawings. In the accompanying drawings, the same number indicates the same or similar components, wherein:

Fig. 1 is the structural block diagram of telephone set of the present invention;

Fig. 2 is a control flow diagram of receiving and displaying a phone number during a call.

A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in FIG. 1, the central processing unit CPU110 controls the overall working process of the telephone set, and also controls the recording and displaying process of the telephone number during the call. Hook relay 112 has a hook switch and is controlled by CPU 110, and the effect of relay 112 is to connect or disconnect telephone circuit with communication circuit device 114. The communication circuit unit 114 is controlled by the CPU 110, and distributes and transmits voice signals and other tone signals input through the telephone line. The DTMF generator 116 is connected to the communication circuit unit 114 and the central processing unit CPU 110 , converts the digital data signal from the CPU 110 into a DTMF signal, and outputs it to the communication circuit unit 114 . The DTMF receiver 120 converts the DTMF signal from the talk circuit 114 into digital data and supplies the digital signal to the CPU 110 . The DTMF receiving device 120 receives the telephone number input by the calling party as a DTMF signal during the two-party conversation, and provides the DTMF signal to the CPU 110 . Ringing detector 122 is connected to the telephone line and CPU 110 , detects a ringing signal input through the telephone line, and supplies it to CPU 110 . The display device 124 displays the data provided by the CPU 110 and the telephone number input by the calling party during the two-way conversation. The storage device 126 stores, under the control of the CPU 110, a menu providing various functions of the telephone and telephone numbers input during a call. The storage device 126 adopts EEPROM so as to memorize the stored telephone number without power. One of the keys of the keypad 128 is a multi-frequency receiver MFR key for connecting or disconnecting the MFR to and from an office line for receiving telephone numbers during a call. The input device 128 provides key data generated by key operation to the CPU 110 . The input device 128 also provides the telephone number to the CPU 110 according to the number keys input by itself.

As shown in Figure 2, the control method for receiving and displaying a phone number during a call includes the following steps: when selecting the call receiving mode, the MFR is assigned to the office line; DTMF signal corresponding to the telephone number; after displaying the DTMF signal, store it in memory.

In step 12, CPU 110 detects whether the user is talking. If the user is talking, CPU 110 checks in step 14 whether the MFR key is "on". Here, the MFR key is used to receive the phone number when the user is talking. If the MFR key is "connected" in step 14, CPU 110 proceeds to step 16, selects the telephone number receiving mode, and then assigns the MFR to the office line. In other words, the CPU 110 connects the office line with the DTMF receiving device 120 . In step 18, the CPU 110 checks whether the DTMF signal of the telephone number input by the calling party is received by the DTMF receiving means 120 or not. If the DTMF is received, the CPU 110 proceeds to step 20. In step 20, the display device 124 under the control of the CPU 110 displays the received telephone number. After that, at step 22, the storage device 126 registers the received telephone number under the control of the CPU 110. In addition, numerical information can also be registered in the storage device 126 like a telephone number.

To sum up, since the present invention can register the received telephone number during the call of the recipient, the recipient does not need to register the telephone number after hanging up. There is also the benefit of being able to get the correct phone number without having to write it down in a notepad.

It is therefore to be understood that the present invention is not limited to the particular embodiment disclosed herein as being the preferred embodiment, but that while not limited to the particular embodiments described in this specification, the scope of the present invention in the claims appended hereto The described examples are an exception.

Claims (2)

1. a method that shows telephone number in communication process with the dual-tone multifrequency signaling receiving system is characterized in that it comprises the following steps:

In communication process, when adopting the mode of operation of receiving dialed number, described exchange line is connected to the dual-tone multifrequency signaling receiving system;

After described Connection Step, detect the corresponding described dual-tone multifrequency signaling signal of telephone number of calling party's input and detected signal is shown.

2. method according to claim 1 is characterized in that it comprises

After described Connection Step, login is detected signal down.

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