JP3601400B2 - Communication terminal device - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a communication terminal device such as a facsimile device connected to a telephone having a number display function.
[0002]
[Prior art]
Conventionally, a number display service has been operated as one of the pre-communication information notification services. If this service is used, a telephone or the like can display the telephone number of the caller before answering a call. Has become.
[0003]
FIG. 4 is a diagram showing a basic operation of the number display service. (1) to (9) in the figure are numbers assigned to each operation, and the "information receiving terminal" indicates a communication terminal device such as a telephone or a facsimile device that can use this service. .
[0004]
The subscriber line exchange inverts the polarities of the subscriber lines L1 and L2 on the receiving terminal side when another communication terminal apparatus calls the information receiving terminal for which a service contract has been made in advance ((1)). Sends an information receiving terminal activation signal ((2)). On the other hand, when the receiving terminal is ready to receive information such as the source telephone number, the receiving terminal closes the DC circuit in the terminal (closes the DC loop) and generates a primary response signal (3). If the exchange detects the primary response signal (3) based on the DC resistance value within the time t from the polarity inversion (1), the exchange terminal informs the receiving terminal of the information such as the source telephone number (4). ▼) as a modem signal. When the receiving terminal receives the modem signal (4), it opens the DC circuit (opens the DC loop) and sets it to the reception completion signal (5), and the exchange detects the reception completion signal (5). Then, a calling signal (6) is transmitted.
[0005]
When the information receiving terminal detects the calling signal (6), it outputs a ringing tone to prompt a response. However, the information receiving terminal receives the information (4) of the caller in advance, displays the information on the display, and displays the telephone number of the other party. And so on, so that a response can be taken in accordance with the other party. For example, it is possible to leave the call as it is or switch to an answering machine.
[0006]
If the information receiving terminal responds to the call signal by picking up the handset or the like, the DC circuit is closed again (DC loop is closed) to produce a secondary response signal (7), and then the polarity is reversed. (8), and a call (9) becomes possible.
[0007]
When a telephone with a number display function is connected to a facsimile device as a communication terminal device, the setting on the telephone side is set to execute the number display function, and the setting on the facsimile device side is set to the number display function on the connected telephone. And the facsimile apparatus itself is set not to execute the number display function. In this case, the facsimile apparatus cannot start the facsimile reception operation because the number display signal cannot be recognized, or the line control of the number display service is performed on both the telephone and the facsimile apparatus. Absent.
[0008]
[Problems to be solved by the invention]
However, in the above-mentioned conventional communication terminal device, since the telephone set is not set to execute the number display function, the caller information may not be displayed on the telephone and may be left as it is. That is, if the exchange does not detect the primary response ((3) in FIG. 4) within a predetermined time (time t in FIG. 4) from the polarity reversal ((1) in FIG. 4), it transmits source information and the like. Since the call signal ([6] in FIG. 4) is transmitted without being issued, the telephone can respond to the call signal and the call can be made. Therefore, the cause of the fact that the caller information is not displayed remains unknown. There was something.
[0009]
Also, in the case where the line control of the number display service is performed on behalf of the facsimile apparatus side, there is a case where the telephone side is left without displaying the caller information.
[0010]
The present invention has been made in view of such circumstances, and an object of the present invention is to provide a communication terminal device that determines that a number display service is not set in a connected communication device.
[0011]
[Means for Solving the Problems]
In order to achieve the above object, a communication terminal device connected to a communication device with a number display function according to the present invention is characterized in that, according to claim 1, after detecting a number display service activation signal sent from an exchange, a predetermined time period If no response signal is detected by the communication device, an abnormality of the communication device is notified.
[0012]
Here, a telephone with a number display function or the like can be applied to the communication device with a number display function, and a facsimile device or a personal computer with a communication function can be applied to the communication terminal device. When using this communication terminal device, it is necessary to make a contract for a number display service in advance.
[0013]
The activation signal of the number display service refers to an information receiving terminal activation signal (see (2) in FIG. 4), and the response signal refers to a primary response signal (see (3) in FIG. 4). In this communication terminal device, upon detecting the activation signal, the presence or absence of a response on the connected communication device side is monitored.
[0014]
Further , when the abnormality of the communication device is notified, the communication terminal device itself is set to transmit a response signal to the activation signal of the number display service from the next incoming call.
[0015]
According to the second aspect , in the first aspect , the notification of the abnormality of the communication device is set such that the communication terminal device itself transmits a response signal to the activation signal of the number display service from the next incoming call. Includes notification to the effect.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram illustrating an example of a configuration of a communication terminal device. Here, the configuration of the facsimile apparatus F is shown as a communication terminal apparatus, but the present invention is not limited to this, and may be a personal computer having a communication function.
[0017]
In this facsimile apparatus F, a telephone T with a number display function is externally connected as a communication device. However, the communication device is not limited to the telephone T, and has a number display function of detecting source information. Device, for example, a personal computer having a communication function. Note that this number display function is not limited to being built in the telephone T side, and may be externally provided as an adapter at a stage preceding the telephone T with respect to the telephone line L.
[0018]
In the figure, reference numeral 1 denotes a main control unit for controlling the following units, 2 denotes a polarity inversion detecting unit for detecting the inversion of the polarity of the telephone line L, and 3 denotes a signal transmitted from the exchange via the telephone line L. A signal detection unit that detects a call signal and also detects an information reception terminal activation signal (hereinafter simply referred to as an “activation signal”) of the number display service, and 4 is an off-hook (line closed) of the telephone set T connected to the connection terminal. And an off-hook detecting unit for detecting on-hook (open line), a CML relay for closing / opening the telephone line L, a transformer 6, and a modem 7 for modulating and demodulating a signal for performing facsimile communication.
[0019]
Reference numeral 8 denotes a display unit including a liquid crystal display or an LED lamp, 9 denotes an operation unit including various keys, 10 denotes a reading unit that reads image data from a set document, and 11 denotes an image received by facsimile. A recording unit that prints out an image read from the reading unit 10 on recording paper that has been set in advance, 12 is an image memory that stores encoded image data, and 13 stores various data that is necessary for controlling the apparatus F. And a ROM 14 for storing a control program and the like in advance.
[0020]
Further, in the facsimile apparatus F, the resistor R and the capacitor C connected in series are connected in parallel with the CML relay 5, so that even if the CML relay 5 is closed and the line L is not closed, the The signal can be detected.
[0021]
The facsimile apparatus F encodes the image of the original read by the reading unit 10, temporarily stores the image in the image memory 12, sequentially reads the modulated image, modulates it by the modem 7, and transmits the modulated signal to the telephone line L. The basic operation of sequentially storing image data received by facsimile from another communication terminal device via the telephone line L in the image memory 12, decoding the image data while reading the data, and recording the decoded data by the recording unit 11 is performed.
[0022]
As described above, the signal detection unit 3 detects the call signal ([6] in FIG. 4) sent from the exchange and the activation signal of the number display service ([2] in FIG. 4). The ringing signal is a signal that repeats an ON period of 1 second and an OFF period of 2 seconds, and the activation signal is a signal that repeats an ON period of 0.5 seconds and an OFF period of 0.5 seconds. The two are determined based on the difference in the time length between the ON period and the OFF period. Alternatively, the operation unit 9 may be set in advance to connect the telephone T with a number display function, and the signal detection unit 3 may determine that the signal detected first from the standby state is the activation signal. .
[0023]
When the signal detection unit 3 detects the activation signal, the main control unit 1 detects the activation signal and, when the response signal from the telephone T is not detected within a predetermined time, notifies an abnormality on the telephone T side. . That is, when the signal detection unit 3 detects the activation signal ((2) in FIG. 4) after the polarity inversion detection unit 2 detects the polarity reversal ((1) in FIG. 4), the main control unit 1 Of the primary response signal (3 in FIG. 4) is monitored. If the off-hook detection unit 4 does not detect the closing of the DC loop within a predetermined time from the detection of the activation signal or the reversal of the polarity, it is determined that the number display function has not been set on the telephone T side, and the abnormality is notified. I do.
[0024]
The notification of this abnormality is performed by displaying a message on the display unit 8, lighting or blinking a lamp, and printing out a message by the recording unit 11. The notification may be made by outputting an alarm sound, outputting a voice message, or the like.
[0025]
By operating in this manner, the user knows that the number display function has not been set on the telephone T. Therefore, if the number display function is set, the caller can be displayed on the telephone T side thereafter. Will be able to
[0026]
The predetermined time for monitoring the primary response by the main control unit 1 may be a time (for example, 6 seconds after the polarity reversal) when the exchange determines that the primary response has not been transmitted and shifts to the transmission of the call signal. Alternatively, the primary response may be performed on the facsimile apparatus F side for a shorter time (for example, 5.5 seconds after the polarity inversion).
[0027]
Also, when the telephone T side notifies the abnormality of the telephone T without making a primary response, the facsimile apparatus F itself transmits a primary response signal in response to the activation signal of the number display service from the next incoming call. It can be set as follows. With this setting, when an activation signal is detected from the next incoming call, the CML relay 5 is closed to make a primary response, and the source information ((4) in FIG. 4) transmitted through the telephone line L is transmitted. The data is received by the modem 7 via the resistor R and the capacitor C, and the transmission source information is displayed on the display unit 8. Then, by opening the CML relay 5, a reception completion signal ((5) in FIG. 4) is set, and the calling signal ((6) in FIG. 4) can be detected by the signal detection unit 3. If the call signal is detected and responded to, it shifts to facsimile reception, telephone call by telephone T, and the like.
[0028]
As described above, if the number display function is automatically set on the facsimile apparatus F side, there is no need to perform the setting operation of the number display function on the telephone set T side, so that the facsimile apparatus F side can check the source information and the like. Become.
[0029]
Also, as described above, when the number display function is automatically set on the facsimile apparatus F side, the notification of the abnormality of the telephone set T, the next incoming call, the start signal of the number display service, the facsimile apparatus F itself. Can be included to send a primary response signal. Then, the number display function can be canceled in the facsimile machine F, returned to the original state, and set on the telephone set T.
[0030]
FIG. 2 shows the operation of the facsimile machine F in a flowchart (100 to 114). A signal (CI) sent from the exchange is detected (100), and if the signal is a calling signal (IR) (N of 101, Y of 114), the process shifts to an incoming call process.
[0031]
On the other hand, if the detected signal is the activation signal (CAR) of the number display service (Y of 101), the primary response by the telephone set T is monitored. When the primary response is detected (Y of 102) and the source information is received (103), the source information and the like can also be displayed on the display unit 8 of the facsimile machine F. Thereafter, if a call signal (IR) is detected during a predetermined time (for example, 3 seconds), the call is received (104, 105).
[0032]
If the primary response is not detected within a predetermined time (for example, 5.5 seconds) after detecting the activation signal (N of 102, Y of 106, Y of 107), the facsimile apparatus F itself makes a primary response ( 108), the transmission source information is received (109), and a reception completion response is made (110). Then, the abnormality of the telephone T is notified (111), the number display function of the telephone T is released (112), and the number display function is set to be executed by the facsimile machine F after the next incoming call (113).
[0033]
Here, even when the transmission of the activation signal from the exchange is stopped (N of 106), an abnormality on the telephone T side is notified (111) without performing a primary response or the like, and the number display function of the telephone T is released. (112) It is set that the facsimile machine F executes the number display function from the next incoming call (113). If the primary response is not made in the facsimile machine F in this incoming call, steps 108 to 110 are omitted. As described above, even when the primary response of the telephone T is not detected, if a call signal is detected within a predetermined time (for example, 3 seconds), the call is received (104, 105).
[0034]
FIG. 3 shows an example of notification of an abnormality of the telephone set T in the facsimile apparatus F (see step 111 in FIG. 2). FIG. 3A shows an example of the display screen 8a on the display unit 8, and the display message prompts the user to set the number display function on the telephone set T. FIG. 3B shows an example of the recording paper 11a recorded by the recording unit 11, and the print message informs that the number display function has been set on the facsimile apparatus F side.
[0035]
【The invention's effect】
As can be understood from the above description, the communication terminal device according to each of claims 1 and 2 of the present invention uses the connected communication device within a predetermined time after detecting the activation signal of the number display service. When the response signal is not detected, the abnormality of the communication device is notified, so that the user knows that the number display function is not set in the communication device. By setting the number display function on the communication device side, display of transmission source information and the like can be performed thereafter.
[0036]
In particular, in the first aspect , when an abnormality of the communication device is notified, the communication terminal device itself is set to transmit a response signal to the activation signal of the number display service from the next incoming call. In this way, if the number display function is automatically set on the communication terminal device side, the setting operation of the number display function on the connected communication device side is not required, and thereafter, the communication terminal device side checks the source information and the like. be able to.
[0037]
According to the second aspect of the present invention, the notification of the abnormality of the communication device includes a notification that the communication terminal device itself is set to transmit a response signal to the activation signal of the number display service from the next incoming call. Therefore, the number display function can be canceled in the communication terminal device, returned to the original state, and set on the connected communication device side.
[Brief description of the drawings]
FIG. 1 is a block diagram illustrating an example of a configuration of a communication terminal device according to the present invention.
FIG. 2 is a flowchart showing an example of the operation of the communication terminal device of the present invention.
FIG. 3 is a diagram illustrating an example of notification of an abnormality of a communication device.
FIG. 4 is a diagram showing a basic operation of a number display service.
[Explanation of symbols]
F Facsimile machine 1 Main control unit 3 Signal detection unit 4 Off-hook detection unit 7 Modem 8 Display unit 11 Recording unit T Telephone with number display function

Claims (2)

A communication terminal device connected to a communication device with a number display function,
If a response signal from the communication device is not detected within a predetermined time after detecting the activation signal of the number display service sent from the exchange, the abnormality of the communication device is notified . A communication terminal device, wherein , when an abnormality is notified, a setting is made so that the communication terminal device itself transmits a response signal to a start signal of a number display service from the next incoming call. The notification of the abnormality of the communication device includes a notification that the communication terminal device itself has set to transmit a response signal to the activation signal of the number display service from the next incoming call. The communication terminal device according to claim 1 , wherein:

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