JP2001045138A - Electronic exchange - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an electronic exchange capable of an originator number request without providing each terminal with an originator number detection function by detecting the existence/absence of an originator number in a call out from a sending terminal and making an originator number request when the originator number does not exist. SOLUTION: An originator number receiving part 10 receives and detects originator number information due to a number display service. When the originator number information is received from the part 10, the received information is transferred to a number display controlling part 13. When the part 10 can not receive the originator number information, an instruction is outputted to a voice guiding part 11 so as to transmit a notification request signal. When the originator number information can not be received, the part 11 receives the instruction from the part 10 and transmits the notification request to the opposite station. When a DTMF receiving part 12 is started and a DTMF signal is received, the part 12 transfers received dial information to the part 13 and displays the dial information to a receiver.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic exchange, and more particularly to an electronic exchange having a caller ID notification function.

[0002]

2. Description of the Related Art Various functions have been added to recent electronic exchanges in order to improve user convenience. One of the functions is a caller number notification function that allows the caller to be identified by displaying the caller number on the display of the receiver.

For example, Japanese Unexamined Patent Publication No. Hei 10-308812, entitled "Caller ID Detection Method in Communication Terminal" discloses an example of a conventional communication terminal having such a caller ID notification function. That is, according to the setting of the communication system on the receiving side and the presence / absence of the caller ID notification, if the telephone number is not received, the caller ID is detected by the highly functional communication terminal that requests reception of the telephone number on the calling side. The technical task is to provide a method. As a solution for this, it is detected whether or not the calling party number has been received from the calling terminal at the time of calling, and if the calling party number has not been received, an automatic response is performed and the calling terminal is notified. Sends a caller ID. In response to this transmission instruction, the calling terminal sends a DTMF (DualTone Mult
i Frequency) signal,
This caller number is stored. Then, the caller number is displayed on the display unit to ring the ringer.

[0004]

However, the prior art as described above has various problems as follows. First,
The terminal has a notification request function, and when it is used as an extension of the exchange, it is necessary to prepare a large number of special terminals, so that a large cost is required. Next, when a notification request is received, it is necessary to dial a number having a maximum of 11 digits, so that the operation takes time and is troublesome. Finally, since the function is realized on the terminal side, the line cannot be shared by a plurality of telephones.

Accordingly, it is an object of the present invention to provide an electronic exchange which solves such a problem.

Another object of the present invention is to provide an electronic exchange which issues a notification request when a caller ID is not notified.

[0007]

In order to solve the above-mentioned problems, an electronic exchange according to the present invention employs the following characteristic configuration.

(1) A call from a calling terminal is connected to a receiving terminal, and an electronic exchange having a calling number display section in each terminal detects the presence or absence of a calling number in the call from the calling terminal. An electronic exchange comprising: a calling number receiving unit; and a number notification requesting unit for requesting a calling number when there is no calling number.

(2) The electronic exchange according to (1), further comprising a notification request receiving section for detecting the caller number request when making a call.

(3) The electronic exchange according to the above (1) or (2), further comprising a dial storage unit for storing the dialed number of the extension at the time of the transmission.

(4) The electronic exchange according to the above (1), (2) or (3), wherein whether or not transmission is possible is selectable in response to the caller number request.

(5) The electronic exchange according to the above (4), wherein a setting number is set in advance by dialing a setting number in response to the caller number request.

(6) The electronic device according to (1), further comprising a voice guide unit for requesting a call when the calling number receiving unit does not detect a calling number, and a DTMF receiving unit for converting a DTMF signal from the calling unit into a modem signal. switch.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of an electronic exchange according to the present invention will be described below in detail with reference to the accompanying drawings.

The caller ID notification function of the conventional electronic exchange is a display function when a caller number can be received.
However, since the process at the time of non-notification has not been realized, it is the intention of the present invention to solve this.

FIG. 1 is a block diagram showing the configuration of an electronic exchange according to the present invention at the time of an incoming call. Calling number receiving unit 10, voice guiding unit 11, DTM connected to the incoming line
It comprises an F receiving unit 12, a calling number receiving unit 10, and a number display control unit 13 which receives signals from the DTMF receiving unit 12 and is connected to a receiving terminal.

The caller number receiving unit 10 receives and detects caller number information by a number display service. When the caller ID information is received from the caller ID receiver 10, the received information is passed to the number display controller 13. If the caller ID receiving unit 10 cannot receive the caller ID information,
A command is issued to the voice guidance unit 11 to send a notification request signal.

When the voice guidance unit 11 cannot receive the caller number information, it receives a command from the caller number reception unit 10 and sends a notification request signal to the partner station. This notification request signal is composed of a modem signal and voice guidance (guidance). If the caller is an electronic exchange, the notification request signal is detected by the modem signal. On the other hand, when the caller is an ordinary household or a public telephone, the voice guidance is made to detect the notification request signal. Upon completion of sending the notification request signal, DTM
The F receiving unit 12 is prepared.

The DTMF receiving section 12 starts operating to receive a DTMF signal to be dialed from a caller when the transmission of the notification request signal from the voice guide section 11 is completed. DTMF
When receiving section 12 receives the DTMF signal from the caller, number receiving control section 13 converts the received DTMF signal into a modem signal and transmits it. The number display control unit 13 has conventionally existed for displaying the caller number information on the extension telephone at the connection destination. In the present invention, the modem display signal received and converted by the DTMF receiving unit 12 is also configured to be received and displayed by the number display control unit 13.

FIG. 2 is a block diagram showing a configuration at the time of transmission. It comprises a dial storage unit 20 and a notification request receiving unit 21 in addition to the voice guidance unit 11 described above. The dial storage unit 20 is connected to the notification request receiving unit 21. Further, the notification request receiving unit 21 is connected to the voice guidance unit 11.

The voice guidance unit 11 transmits voice guidance to the effect that the notification request signal from the called station has been detected to the calling extension. At the calling extension, after confirming the voice guidance, select whether to notify. If notification is selected, dial storage unit 20
To read the number. If notification is not required, the line that sent the call is disconnected.

The notification request receiving unit 21 detects a modem signal of the notification request from the receiving station after the extension in the electronic exchange has transmitted, and instructs the voice guidance unit 11 to transmit a notification request reception report to the extension that transmitted the voice guidance unit 11. put out. The dial accumulating unit 20 accumulates the dialed number of the calling extension when making a call, reads out the accumulated number from the dial accumulating unit 20 when re-calling is selected, and transmits the number from the notification line.

Next, the operation of the electronic exchange according to the present invention shown in FIGS. 1 and 2 will be described in detail with reference to the flowcharts of FIGS. FIG. 3 is an operation flowchart for an incoming call shown in FIG. 1, and FIG. 4 is an operation flowchart for an outgoing call shown in FIG.

First, the operation at the time of an incoming call will be described with reference to the flowchart of FIG. In step S30, an incoming call is received from the incoming line. In step S31, it is determined whether or not the calling number is included in the signal received by the calling number receiving unit 10 from the incoming line. If there is a caller ID, the process proceeds to step S32, where the caller ID receiver 1
From 0, the received caller number information is notified to the number display controller 13. On the other hand, if it is determined in step S31 that there is no caller number, and if there is no caller number, the process proceeds to step S33. In step S33, a command to send a caller number notification request is issued to the voice guidance unit 11, and the voice guidance unit 11 transmits a notification request signal to the caller. Next, in step S34, the DTMF receiving unit 12 is activated to prepare for dialing by the caller. Upon receiving the DTMF signal, step S32
, The received dial information is passed to the number display control unit 13 and displayed to the called party. Finally, in step S35, the operation is completed after clearing and restoring.

Next, referring to the flowchart of FIG.
The operation of the electronic exchange according to the present invention shown in FIG. 2 at the time of calling will be described. First, in step S40, the information is received from the exchange extension. Next, in step S41, the destination number dialed from the extension is stored in the dial storage unit 20. Next, step S
At 42, it is determined whether there is a notification request. If yes, that is, if the called party has transmitted a notification request signal (modem sound), the process proceeds to step S 43, where the notification request receiving unit 21 detects the notification request signal and transmits voice guidance to the voice guidance unit 11. Command (message). On the other hand, step S42
When the notification request receiving unit 21 does not receive the notification request signal in the determination of the presence or absence of the notification request, the process proceeds to step S44,
It waits for the response of the game as it is.

Next, after transmitting a voice message to the calling extension in step S43, it is determined in step S45 whether or not there is a notification retransmission. If the notification is to be re-transmitted, step S
In step 46, the stored dial is read out, and the voice guidance unit 11 informs the calling terminal that a transmission request has been received by voice guidance. On the other hand, if not, step S4
Proceed to 7 to disconnect the transmission line. Further, following step S46 described above, in step S48, the dial storage unit 2
The dial information read from 0 is transmitted from the communication line. Finally, after step 44 and step 48, the process proceeds to step 49, where the operation is completed after clearing and restoring.

The configuration and operation of the preferred embodiment of the electronic exchange according to the present invention have been described above. However, the present invention should not be limited to only such specific examples, and those skilled in the art can easily understand that various modifications can be made without departing from the gist of the present invention. For example, regarding input of caller number information after a notification request, a PBMF (Push Button Multi Frequency) signal and a DP (Dial Pulse) signal can be handled in addition to the above-mentioned DTMF signal.
In addition, at the time of receiving a DP signal, it is realized through a DP / PB converter.

Also, when a notification request is received from a game when a call is made from an extension telephone, a notification permission / non-permission setting function is provided in addition to the notification permission / non-permission selection method. May be omitted. The setting can be performed in advance by dialing a setting number from the telephone to the exchange.

[0029]

As apparent from the above description, the electronic exchange of the present invention has various remarkable practical effects as follows.

First, it is possible for the electronic exchange to make a notification request when a non-notification call arrives. The reason is that all the terminals (telephones) need to be terminals with a caller ID detecting function, which is expensive. However, in the present invention, since the exchange has a caller ID detecting function, the terminal has only a display function. Things are enough.

Second, a plurality of terminals can share a line. The reason is that in the prior art, each terminal had a caller ID detecting function, so that the line had to be accommodated in a fixed manner. However, in the present invention, since the exchange performs the caller ID detecting function, the line This is because it becomes possible to share.

Third, the caller on the extension of the exchange can make a number notification without performing many dial operations. The reason is that the prior art employs a method of transmitting a DTMF signal after receiving a notification request, and requires a caller to perform a dial operation of up to 11 digits. However, according to the present invention, the exchange has a notification line and a non-notification line, and a notification request is made by inputting a single digit of the caller and the caller is re-established on the notification line, thereby simplifying the operation of the caller.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an electronic exchange according to a preferred embodiment of the present invention at the time of an incoming call;

FIG. 2 is a block diagram of the electronic exchange shown in FIG. 1 at the time of calling.

FIG. 3 is an operation flowchart of FIG. 1;

FIG. 4 is an operation flowchart of FIG. 2;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Calling number receiving part 11 Voice guidance part 12 DTMF receiving part 13 Number display control part 20 Dial storage part 21 Notification request receiving part

Claims (6)

[Claims] An electronic exchange having a calling terminal connected to a call from a calling terminal and having a caller number display unit in each terminal, wherein a call for detecting the presence or absence of a caller number in a call from the calling terminal. An electronic exchange, comprising: a number receiving unit; and a number notification requesting unit that requests a caller number when there is no caller number. 2. The electronic exchange according to claim 1, further comprising a notification request receiving unit for detecting the caller number request when making a call. 3. The electronic exchange according to claim 1, further comprising a dial storage unit that stores a dialed number of a calling extension at the time of calling. 4. The electronic exchange according to claim 1, wherein whether or not the caller can make a call can be selected in response to the caller ID request. 5. The electronic exchange according to claim 4, wherein whether or not transmission is possible is set in advance by dialing a setting number in response to the caller number request. 6. An apparatus according to claim 1, further comprising a voice guidance unit for requesting a call when said caller number receiving unit does not detect a caller number, and a DTMF receiver for converting a DTMF signal from said caller into a modem signal. 2. The electronic exchange according to 1.