JPH0818675A - Line connection method, private exchange device, and telephone set - Google Patents

Abstract

PURPOSE:To connect, detour lines with a simple operation if one telephone number is busy when a communication party and plural telephone numbers and lines are connected. CONSTITUTION:A storage means 11 is formed to register the 1st and 2nd line connection means which connect the line to the opposite party for one of the control units or the specific simplified numbers. With the 1st line connection means (6, 8, 9) stored in the storage means 11, the line connection processing is executed by the 2nd line connection means (4A, 8, 9) corresponding to the 1st line connection means when the line is not connected.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a line connection method, a private branch exchange and a telephone device, and can be applied, for example, when accommodating a private line and a public network line.

[0002]

2. Description of the Related Art Conventionally, for example, a private branch exchange (PBX: pr)
In the private branch exchang), a telephone number and a line type of a call target can be registered in a one-touch dial operator provided on a telephone, so that a call can be made by a simple operation.

That is, this type of private branch exchange executes exchange processing between a plurality of extension telephones installed in, for example, one building, and further exchange processing between the extension telephones and the public network.

When performing an exchange process with this public network, in this type of private branch exchange, when a one-touch dial operator is pressed on each telephone, or a special number (abbreviated through this telephone) is used. When a number, which will be referred to as a special number hereinafter) is input, a line registered in advance for each telephone is selected and a telephone number is transmitted.

[0005]

By the way, in such a private branch exchange, one kind of line and telephone number are registered in correspondence with one one-touch dial operator of the telephone or one special number. There is.

On the other hand, the other party may have a plurality of telephone numbers or may be able to make a call not only through the public network but also through a private line. When calling such a party, the registered 1
When one telephone number is busy, another telephone number can be called to make a call, and when the leased line is in use, a public network can be used to make a call.

However, if another telephone number is input when a connection cannot be made by such a first call, the user's operation becomes complicated. Also, when the public network is used instead of the dedicated line in use, it is necessary to separately input a telephone number.

As a method of solving this problem, in the conventional private branch exchange, for a call partner who can make a call with a plurality of telephone numbers or lines, the telephone numbers and lines are respectively operated by one-touch dial operators or speed dials. It is possible to register at. However, in the conventional private branch exchange, when registering a plurality of telephone numbers or a plurality of lines in this way, it is necessary to assign an individual one-touch dial or special number for each telephone number and type of line. At the time of a call, it is necessary to select and operate the registered one-touch dials or select and input the registered special numbers one by one, and this operation becomes complicated.

Such a problem also applies to telephone devices capable of one-touch dialing and speed dialing (including not only telephones but also facsimile devices and video conference devices).
It is happening as well.

Therefore, it is desired that the desired call partner can be connected with a simple operation and with a high probability.

[0011]

In order to solve such a problem, in the first aspect of the present invention, a call partner is registered in correspondence with a predetermined operator, and in response to the operation of the operator, the call partner is called. On the other hand, in the line connection method that executes line connection processing, or register the other party in correspondence with a specific abbreviated number,
In a line connection method for executing line connection processing to a call partner in response to input of a specific abbreviated number, first connecting a line to a call partner with respect to one of an operator or a specific abbreviated number And the first line stored in the storage unit in response to the operation of the operator or in response to the input of a specific abbreviated number, the storage unit being formed so that the means for connecting the second line can be registered. The line connection processing is executed by the connection means, and the first line connection means stored in the storage means
When the line cannot be connected, the line connecting process is executed by the second line connecting means corresponding to the first line connecting means.

Further, in the second aspect of the present invention, the call partner is registered corresponding to a predetermined operator provided in the telephone device, and in response to the operation of the operator, a line connection process is performed for the call partner. In the private branch exchange that executes the procedure, or register the call partner corresponding to a specific speed dial number input from the telephone device, and in response to the input of the specific speed dial number, execute line connection processing for the call partner. In the private branch exchange 1, storage means formed so as to be able to register first and second line connection means for connecting a line to a call partner with respect to one of an operator or a specific abbreviated number, and an operation. In response to the operation of the child or in response to the input of a specific abbreviated number, the line connection processing is executed by the first line connection means stored in the storage means, and the first line stored in the storage means. Depending on the connection method, connect the line If it obtained not, in which a control means for performing a line connection processing by the second means of the line connection corresponding to the means in the first line connection.

Further, according to the third aspect of the present invention, in a telephone device for registering a call partner corresponding to a predetermined operator and transmitting a calling signal to the call partner in response to the operation of the operator. , Or a telephone device that registers a call partner corresponding to a specific abbreviated number and responds to the input of a specific abbreviated number and sends a calling signal to the other party For one, the storage means formed so that the first and second telephone numbers of the other party can be registered, and in response to the operation of the operator or in response to the input of a specific abbreviated number, When the call signal is transmitted by the first telephone number stored in the storage means and the line cannot be connected depending on the first telephone number stored in the storage means, the first telephone number corresponding to the first telephone number is connected. Control means for outputting a calling signal according to the telephone number 2 Those were example.

[0014]

According to a first aspect of the present invention, in a line connection method for executing a line connection process for a registered call partner, a line is connected to the call partner for one of an operator or a specific abbreviated number. When the storage means is formed so that the first and second line connection means can be registered, and the line cannot be connected depending on the first line connection means stored in the storage means, the first means is used.
By executing the line connection processing by the second line connection means corresponding to the first line connection means, it is possible to operate this operator or to input a specific abbreviated number. Depending on the means, even if the line cannot be connected, the line can be connected by the second line connecting means.

Depending on the first line connection means, the line cannot be connected, the line is blocked (the private line is blocked), or the call partner is another telephone device. For example, when busy.

The second and third aspects of the present invention are respectively a private branch exchange (including a button telephone device having a private branch exchange function) and a telephone device (facsimile device or video conference device) capable of executing the line connection method according to the first aspect of the present invention. Etc.). Therefore, its action is similar to that of the first aspect of the present invention.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a private telephone system will be described in detail below.

In FIG. 2, reference numeral 1 denotes a private branch exchange, which connects a telephone set 2 installed on the premises to a line circuit 3 and also connects line control circuits 4A and 4B and a dedicated line control circuit 6 to a public network 5 and a dedicated line 7, respectively. Connect and thereby form a private telephone system.

Here, the line circuit 3 inputs and outputs control information such as a calling signal between the telephone 2 and the bus BUS, respectively, whereby the private branch exchange 1 transmits the control information output from the telephone 2 to the bus. Central processing unit (C
PU) 8 and also notifies the telephone 2 of the control information output from the central processing unit 8 via the bus BUS. Further, the line circuit 3 connects the telephone set 2 to the speech path switch 9 in accordance with the control information, whereby the private branch exchange 1 is installed on the premises with the telephone set 2 via the speech path switch 9 during an extension call. A voice signal can be transmitted / received to / from a desired telephone, and at the time of an outside line call, the telephone 2 and the telephone to be called via the public network 5 or the private line 7 (in this case, the private branch exchange 10 to be called is called). It consists of a connected telephone) and can send and receive voice signals.

The speech path switch 9 is the central processing unit 8
The operation is switched under the control of the line control circuits 4A and 4B.
The line circuit is switched between the line circuit 3, the line circuit 3, and the dedicated line control circuit 6 and the line circuit 3, thereby executing the line connection processing for the extension call and the outside call as necessary.

The line control circuits 4A and 4B input / output control information to / from the public network 5 and the bus BUS, whereby the private branch exchange 1 receives the control information input from the public network 5 via the bus BUS. The control information that is output to the central processing unit 8 and that is output from the central processing unit 8 via the bus BUS is output to the public network 5. Furthermore, the line control circuit 4
A and 4B switch the operation according to this control information and connect the public network 5 to the speech path switch 9, so that the private branch exchange 1 allows the private branch exchange 1 to communicate between the telephone 2 and the telephone to be called via the public network 5. It is designed to be able to send and receive voice signals.

The dedicated line control circuit 6 includes a dedicated line 7 and a bus B.
The control information is input / output to / from the US, so that the private branch exchange 1 can transfer the control information input from the private line 7 to the bus BUS.
To the central processing unit 8 via the bus BUS
The control information output from the central processing unit 8 via the output is output to the dedicated line 7. Further, the leased line control circuit 6 switches the operation according to the control information and connects the leased line 7 to the speech path switch 9, whereby the private branch exchange 1 communicates with the telephone 2 via the leased line 7. A voice signal can be transmitted to and received from the telephone.

The central processing unit 8 executes the processing procedure shown in FIG. 3 to control the operation of the entire private telephone system according to the control information input via the bus BUS.

That is, the central processing unit 8 uses the bus B
When the control information is input via the US, the process proceeds from step SP1 to step SP2, and after receiving this control information,
Then, it moves to step SP3.

Here, the central processing unit 8 judges whether or not the one-touch dial of the telephone set 2 has been operated based on the received control information, and if a negative result is obtained here, the process proceeds to step SP4 and the control information is stored. Perform the corresponding process. That is, when an operation of registering a telephone number is executed on the telephone 2, the central processing unit 8 registers the telephone number of the call target in each registration area of the memory 11 in response to the operation, and then proceeds to step SP5. Then, this processing procedure is executed.

On the other hand, when the control information for designating the telephone installed in the premises is input from the telephone 2 through the line circuit 3 to the central processing unit 8, step SP4.
In, the control information is output to the corresponding line circuit and the communication path switch 9, and the calling signal is output to the designated telephone and the extension communication line is connected.

When a general telephone number is input together with predetermined control information through the line circuit 3, the central processing unit 8 receives the corresponding line circuit 3, communication path switch 9 and line control circuit in step SP4. 4A or 4B,
The control information is output to the leased line control circuit 6, whereby the telephone number is output to the public network 5 or the leased line 7, and then the control information input via the line control circuit 4A or 4B and the leased line control circuit 6. Corresponding to, the line connection processing of the outside line call is executed.

On the other hand, when the one-touch dial is operated on the telephone set 2, a positive result is obtained in step SP3, so that the central processing unit 8
Moves to step SP6, where it is determined whether or not the pressing operation of the one-touch dial has been performed again within a predetermined period. When an affirmative result is obtained here, the central processing unit 8 moves to step SP7, executes a predetermined busy processing, and then moves to step SP5, and ends this processing procedure.

On the other hand, when a negative result is obtained in step SP6, the central processing unit 8 determines in step SP8.
Then, the telephone number registered in the memory 11 is searched, and this telephone number is transmitted.

Here, as shown in FIG.
Is a private line telephone number registration area 11A, the first public network
Telephone number registration area 11B of the public network and the second telephone number registration area 11C of the public network are formed, and the telephone number of the other party who is connected via the leased line 7 is registered in the telephone number registration area 11A of the leased line. The telephone number of the calling party connected through the network 5 is set as the telephone number registration areas 11B and 1 of the public network.
Register with 1C. As a result, the private branch exchange 1 is able to make a call through both the private line 7 and the public network 5 with respect to the other party.
And this telephone number is registered in 11B and 11C, respectively.

Further, the memory 11 is such that, with respect to the call partner connected via the public network 5, when the call partner has two telephone numbers, the first and second telephone number registration areas of the public network. The plurality of telephone numbers are respectively registered in 11B and 11C. When registering this telephone number, the memory 11 stores the telephone number registration area 11A of the private line and the public network in correspondence with each one-touch dial operator of the telephone set 2.
And this telephone number is registered in 11B and 11C respectively.

As a result, the memory 11 can register a plurality of line types and telephone numbers in each one-touch dial of the telephone set 2 as a line connection means for connecting a line to the other party, and the central processing unit 8 The telephone number and the line are selected according to the contents of the memory 11 as necessary, and the line can be detoured and connected when the line is being used or the line is being used.

That is, in step SP8, the central processing unit 8 first searches the private line telephone number registration area 11A, and the telephone number corresponding to the one-touch dial pressed here is registered in this registration area 11A. If a positive result is obtained here, the process proceeds to step SP9 to output control information to the dedicated line control circuit 12 to activate the dedicated line control circuit 12. Then, the central processing unit 8 moves to step SP10,
Here, by detecting the response from the private line control circuit 12, it is judged whether or not the private line 7 can be captured.

Here, when the leased line 7 is not used, a positive result is obtained, so that the central processing unit 8 shifts to step SP11 to send out the telephone number read from the memory 11 and then connect this line. The process is terminated and the process proceeds to step SP5. This enables the private branch exchange 1 to preferentially use the leased line 7 among telephone numbers and line types registered in one one-touch dial to make a call, and to secure a high-quality line with priority. It is designed to be able to do.

On the other hand, as shown in FIG. 1, when the leased line 7 is in use and cannot be caught, the telephone number corresponding to the operated one-touch dial is the telephone number registration area 11A. If it is not registered in step S10, the central processing unit 8 obtains a negative result in step SP10 and step SP8, respectively.
Move to P12, where telephone number registration area 1 of the public network
1B is searched to determine whether the corresponding telephone number is registered.

If a negative result is obtained in this determination, the central processing unit 8 stops the line connection processing and then moves to step SP5 to end this processing procedure, while detecting the corresponding telephone number. Then, in the following step SP13, the control information is output to the line control circuit 4A to activate the line control circuit 4A, and in the following step SP14, the line is captured based on the control information output from the line control circuit 4A. Judge whether it has been obtained or not.

Here, if the line can be captured, the central processing unit 8 moves to step SP15, sends the retrieved telephone number to the public network 5, and then moves to step SP5 to end this processing procedure. As a result, in the private branch exchange 1, when the private line cannot be used, the line is automatically bypassed to the public network 5 to connect the line, and the usability for the user can be improved.

On the other hand, when the public network 5 cannot be captured, the central processing unit 8 obtains a negative result in step SP12, and thus the second line control circuit 4
After activating B, the line connection process is executed, and if necessary, the telephone number stored in the second telephone number registration area 11C is transmitted, and then the process proceeds to step SP5 to end this process procedure.

Subsequently, when the central processing unit 8 receives a response from the leased line control circuit 12 or the line control circuits 13A and 13B, which is the object of communication, via the captured leased line 7 or public network 5, the leased line control circuit 6 The control information is output to the line control circuits 4A and 4B, the communication path switch 9 and the like so that the one-touch dial can be operated to easily make a call.

By the way, when the line is captured in this way, the busy tone may be returned through the leased line control circuit 12 or the line control circuits 13A and 13B of the call target. In this case, by pressing the same one-touch dial again in the private branch exchange 1, the central processing unit 8 obtains a positive result in step SP6, and thus executes the busy processing.

As shown in FIG. 5, in this busy processing, the central processing unit 8 shifts from step SP21 to step SP22, and once the line is opened, the memory 11 is searched for the temporary transmission. It is determined whether or not a telephone number different from the telephone number is registered in the same one-touch dial, thereby detecting the telephone number of the other party to call instead of the telephone number to which the busy tone is returned.

Here, if another telephone number is not registered in the memory 11, a negative result is obtained in step SP22, so that the central processing unit 8 moves to step SP23 and the dedicated busy tone is returned. After restarting the line control circuit 6 or the line control circuit 4A, step SP
This telephone number is sent out at 24, and the process proceeds to step SP25 to complete this processing procedure.

On the other hand, when another telephone number of the other party is registered in the memory 11, a positive result is obtained in step SP22, so that the central processing unit 8 moves to step SP26. Memory 1
After activating the line control circuit 4B, for example, in response to the contents of 1, it is determined in step SP27 whether or not the line could be captured.

If the line cannot be captured, the central processing unit 8 moves to step SP25 and terminates this processing procedure, whereas if the line can be captured, step SP2.
Move to 8 and call this newly searched other phone number,
Move to step SP25. As a result, as shown in FIG. 6, in the private branch exchange 1, even when the other party is busy, a simple operation of listening to the busy tone and pressing the same one-touch dial can be carried out separately in the memory 11. You can call the registered telephone number to bypass the line.

At this time, the user can make a bypass connection by a simple operation of repeatedly pressing the same one-touch dial.

In the above configuration, in the private branch exchange 1, when the telephone 2 is operated, the central processing unit 8 activates the line control circuits 4A, 4B, the leased line control circuit 6, etc. in response to the operation. Send out the phone number, which
It is possible to make a call to a desired call target via the leased line 7 or the public network 5.

At this time, when the one-touch dial on the telephone 2 is operated, the private branch exchange 1 detects the telephone number corresponding to the one-touch dial from the telephone number registration area 11A of the dedicated line formed in the memory 11 and makes a dedicated call. This telephone number is transmitted to the line 7, whereby a call can be made via the dedicated line 7 by a simple operation of operating a one-touch dial.

When the private branch exchange 1 cannot capture the private line 7, the private branch exchange 1 then continues to the first public network formed in the memory 11.
The telephone number corresponding to this one-touch dial is detected from the telephone number registration area 11B of 1 and the telephone number is transmitted to the public network 5. As a result, the private branch exchange 1 can operate the dedicated line 7 by a simple operation of operating the one-touch dial.
When it is possible to make a call via the telephone line and cannot capture the leased line 7, it is possible to automatically make a detour to the public network 5 to connect the line, and to make a call to a desired call target with a simple operation. .

In this way, when the telephone number is sent to the leased line 7 or the public network 5 and the busy tone is returned from the call target, the user operates the one-touch dial again, so that the private branch exchange 1 operates. , Another telephone number registered in the memory 11 is detected, and the line connection processing is executed by this telephone number. With this, even when the call target is busy,
The detour line can be connected by a simple operation of pressing the one-touch dial again, thereby improving usability.

According to the above configuration, one type of one-touch dial is formed so that a plurality of line types and telephone numbers can be registered, and when a line cannot be captured, the line connection processing is performed using another line or telephone number. By executing it, the line can be detoured and connected by a simple operation as needed. As a result, in the private branch exchange 1, call failures can be significantly reduced compared to the conventional case, and the user who operates the telephone 2 can reliably make a call at the desired time with the same simple operation as in the conventional case. It is possible to talk to the target and improve the usability of this type of telephone system.

Since a plurality of telephone numbers and the like can be registered in one one-touch dial, the number of operators can be reduced accordingly.

Further, in the busy processing, the line control circuit is once opened, so that the call terminating operation can be omitted and the usability can be improved by that much. In the above embodiment, the line is stored in the memory 11. However, the present invention is not limited to this.
If necessary, a plurality of public network telephone numbers may be registered, or the other party may be registered so as to correspond to the types of lines such as the leased line and the public network.

Further, in the above embodiment, the case where the bypass connection is made when the one-touch dial is operated again has been described, but the present invention is not limited to this, and the busy tone is detected to automatically make the bypass connection. However, if this is done, usability can be further improved.

By the way, since the busy tone is formed of a dial tone having a single frequency, the frequency of this dial tone is extracted through a filter or the like, and the output signal level of this filter is detected. It can be detected easily.

Furthermore, ISDN (intebrated services)
In a deijitarl network) line or the like, a disconnection message may be received, so that the disconnection message may be detected instead of the busy tone to make a detour connection.

Furthermore, in the above-mentioned embodiment, the case of registering the calling party in the one-touch dial has been described, but the present invention is not limited to this, and can be widely applied to the case of registering the calling party in the speed dial. You can

Further, in the above-mentioned embodiment, the case where the voice signal is transmitted and received to and from the communication partner is described, but the present invention is not limited to this, and a device such as a facsimile is connected to transmit a desired information signal. It can be widely applied when sending and receiving.

Furthermore, in the above-mentioned embodiment, the case where the present invention is applied to the private branch exchange has been described. However, the present invention is not limited to this, and it can be applied to a key telephone device having a private branch exchange function. It can also be applied to a telephone device that does not have a switching function. In the latter case, it works effectively when, for example, two telephone numbers related to the same call partner are registered in the one-touch dial.

[0059]

As described above, according to the present invention, the first and second line connection means for connecting the line to the other party are registered for the operator or one of the specific abbreviated numbers. If the line cannot be connected by the first line connection means stored in the storage means, the second line connection means corresponding to the first line connection means is formed. By executing the line connection processing by, the detour connection can be performed when the line cannot be connected, and thus the call probability with the desired call target can be increased by a simple operation.

[Brief description of drawings]

FIG. 1 is a sequence diagram for explaining an operation of a private branch exchange according to an embodiment.

FIG. 2 is a block diagram showing a private telephone system according to an embodiment of the present invention.

FIG. 3 is a flowchart for explaining the operation of the central processing unit.

FIG. 4 is a schematic diagram for explaining the memory.

FIG. 5 is a flowchart for explaining busy processing by the central processing unit.

FIG. 6 is a sequence diagram for explaining the operation.

[Explanation of Codes] 1, 10 ... Private branch exchange, 2 ... Telephone, 3 ... Line circuit, 4A, 4B, 13A, 13B ... Line control circuit,
5 ... Public network, 6, 12 ... Private line control circuit, 7 ... Private line, 8 ... Central processing unit, 9 ... Call path switch, 11 ... Memory.

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Kenji Imada 1-7-12 Toranomon, Minato-ku, Tokyo Oki Communication System Co., Ltd.

Claims (4)

[Claims] 1. A line connection method for registering a call partner corresponding to a predetermined operator and executing a line connection process for the call partner in response to the operation of the operator, or a specific abbreviated number. In the line connection method of registering a call partner corresponding to, and executing a line connection process to the call partner in response to the input of the specific abbreviated number, one of the operator or the specific abbreviated number On the other hand, the storage means is formed so that the first and second line connection means for connecting the line to the communication partner can be registered, and in response to the operation of the operator or the input of the specific number. In response, the line connection processing is executed by the first line connection means stored in the storage means, and the line cannot be connected by the first line connection means stored in the storage means. , Corresponding to the above first line connection means A line connection method characterized in that the line connection processing is executed by the second line connection means. 2. The line cannot be connected when the operator is operated again or the specific abbreviated number is input again after the line connection processing is started by the first line connection means. 2. The line connection method according to claim 1, wherein the line connection processing is executed by the second line connection means when it is determined to be the case. 3. A private branch exchange for registering a call partner corresponding to a predetermined operator of the telephone device and executing a line connection process for the call partner in response to the operation of the operator.
Or, in the private branch exchange that registers the calling party corresponding to a specific speed dial number input from the telephone and executes the line connection process to the calling party in response to the input of the specific speed dial number, A storage means for registering first and second line connection means for connecting a line to a communication partner for a child or one of the above specific abbreviated numbers; In response to the input of the specific abbreviated number, the line connection processing is executed by the first line connection means stored in the storage means, and the first line connection stored in the storage means. Depending on the means, if the line cannot be connected, there is provided a control means for executing the line connection processing by the means for the second line connection corresponding to the means for the first line connection. switch. 4. A telephone device for registering a call partner corresponding to a predetermined operator and transmitting a call signal to the call partner in response to the operation of the operator, or to a specific abbreviated number. Correspondingly, in the telephone device that registers the call partner and responds to the input of the specific abbreviated number, and sends a call signal to the call partner, for one of the operator or the specific abbreviated number. Storage means formed so as to register the first and second telephone numbers of the other party, and the storage means in response to the operation of the operator or in response to the input of the specific abbreviated number. When the line cannot be connected depending on the first telephone number stored in the storage means, the call signal is transmitted by the first telephone number stored in the means, and the first telephone number corresponds to the first telephone number. Send the calling signal by the second telephone number Telephone device characterized by a control unit for.