JP2003234829A - Private branch exchange - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a private branch exchange whose operability/convenience are improved by making it possible to set a transfer destination and an incoming call to be transferred from the place where a user is with a simple operation. <P>SOLUTION: This private branch exchange 1 which houses a plurality of extensions 6 and is connected to a private line 4 and/or a public network 2 to construct a network, has an incoming call transfer controlling means 8 for receiving at least the identification number of the private branch exchange 1, a registration special number, a transfer source extension number 6 housed in the private branch exchange 1, and a transfer registration request including a transfer destination number and a transfer object call type designation number, registers a transfer request including at least the transfer source extension number, the transfer destination number and the transfer object call type designation number, and controls an incoming call of a call type designated by the transfer object call type designation number among incoming calls to the transfer source extension number so as to be transferred to the transfer destination number on the basis of the registered transfer request. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is a premises for accommodating a plurality of extensions and connecting to a leased line and / or a public network (in this specification, the public network includes a mobile network) to construct a network. The present invention relates to an exchange, and particularly to improvement of its call transfer function.

[0002]

2. Description of the Related Art As a conventional private branch exchange, there is a private branch exchange which transfers a call addressed to itself to a registered destination by registering the transfer destination from its own extension telephone.

Further, as a private branch exchange system in which a plurality of private branch exchanges each containing a PHS are connected by a dedicated line,
When a PHS registered in a certain private branch exchange moves to an area controlled by another private branch exchange, there is a roaming function which automatically transfers an incoming call to the registered destination through the other private branch exchange.

[0004]

However, in the private branch exchange having the configuration in which the transfer destination is registered from its own extension telephone like the former, before leaving the office where the private branch exchange is installed due to a business trip or the like. If you forget the registration operation, you can not set the forwarding destination from the destination, so there is a problem that it is troublesome to respond, such as asking someone at the office to register.

Further, in the latter system in which automatic transfer is performed by the roaming function, a plurality of private branch exchanges must be connected by a dedicated line, so that a large-scale facility is required to construct the system. In addition, since the transfer destination is limited to the private line network in the company, there is a problem that it is inconvenient. Furthermore, the call transferred by the roaming function is selected from PHS /
There is also a problem that it is not easy to use because all incoming calls are unconditionally transferred without being able to specify.

SUMMARY OF THE INVENTION Therefore, an object of the present invention made in view of the above point is to provide a private branch exchange in which a transfer destination and an incoming call to be transferred can be set from a destination by a simple operation and the operability / convenience is improved. is there.

[0007]

The invention according to claim 1 for achieving the above object is at least a private branch exchange that accommodates a plurality of extensions and is connected to a private line and / or a public network to construct a network. Upon receiving a transfer registration request including the identification number of the private branch exchange, the registered special number and the transfer source extension number accommodated in the private branch exchange, the transfer destination number and the transfer target call type designation number, at least the transfer source extension number, A transfer request including a transfer destination number and a transfer target call type designation number is registered, and a call specified by the transfer target call type designation number among incoming calls to the transfer source extension number based on the registered transfer request. It is characterized in that it has an incoming call transfer control means for controlling to transfer an incoming call of a kind to the forwarding number.

According to a second aspect of the present invention, in the private branch exchange according to the first aspect, the private branch exchange is connected to another private branch exchange through a dedicated line, and the incoming call transfer control means is
When transferring to an extension terminal accommodated in the other private branch exchange, it is configured to obtain the identification number of the other private branch exchange and the extension number of the extension terminal as the transfer destination number to control the call transfer. It is characterized by being.

According to a third aspect of the present invention, in the private branch exchange according to the second aspect, the leased line is an ISDN trunk line or a VOIP line, and the incoming call transfer control means sends the transfer registration request to the operation terminal. From the identification information sent from the device, the operation terminal is used as a transfer destination terminal to automatically obtain the extension number of the transfer destination terminal and the identification number of the other private branch exchange in which the transfer destination terminal is accommodated. It is characterized by being.

The invention according to claim 4 is the private branch exchange according to claim 1, wherein the incoming call transfer control means is configured to perform a security check when the transfer registration request is received through a public network. It is characterized by that.

According to a fifth aspect of the present invention, in the private branch exchange according to any one of the first to fourth aspects, the incoming call transfer control means includes an identification number, a release special number and the transfer source extension number of the private branch exchange. The transfer request for the transfer source extension number is deregistered in response to the transfer cancel request including the transfer request.

According to a sixth aspect of the present invention, in the private branch exchange according to the fifth aspect, the incoming call transfer control means is configured to perform a security check when receiving the transfer cancellation request via the public network. It is characterized by that.

According to a seventh aspect of the present invention, in the private branch exchange according to any one of the first to sixth aspects, the incoming call transfer control means is a terminal of the transfer source extension number during the registration period of the transfer request. It is characterized in that it is configured to drive a display lamp provided on the display lamp for displaying that the transfer request is being registered.

The invention according to claim 8 is the private branch exchange according to any one of claims 1 to 7, wherein the incoming call transfer control means registers the transfer request in response to the change of the transfer destination number. It is configured such that it is possible to select whether to newly register a transfer request including the changed transfer destination number after canceling, or to overwrite-register the transfer request including the changed transfer destination number. Is.

According to a ninth aspect of the present invention, in the private branch exchange according to any one of the first to eighth aspects, the incoming call transfer control means sends operation guidance guidance to the operation terminal for the transfer registration request. It is characterized by being configured as follows.

According to a tenth aspect of the present invention, in the private branch exchange according to any one of the fifth to ninth aspects, the incoming call transfer control means sends an operation guidance guidance to the operation terminal for the transfer cancellation request. It is characterized by being configured as follows.

The invention according to claim 11 is the invention according to claims 1 to 1.
In the private branch exchange according to any one of 0, the incoming call transfer control means is configured to register the transfer destination number with a speed dial code.

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a private branch exchange according to the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing the structure of the main part of a private branch exchange. The private branch exchange 1 of the present embodiment is a CB
(Analog station line), BTK (INS (registered trademark) 64 station line), PTK (INS1500 station line), and other station line circuits 3 connected to the public network 2, and private branch exchanges installed at other offices and the like. 11 (OD private line), LD (local private line), DTK (digital relay line), IDK (IS
A dedicated line circuit 5 for accommodating a dedicated line 4 such as a DN relay line) or an IP (VOIP line), an extension circuit 7 for accommodating a plurality of multi-function extension telephones 6, an incoming call transfer control means, and an overall operation. And a central control unit (CPU) 8 for controlling the.

The private branch exchange 11 installed in another office or the like includes a private line circuit 12 for accommodating the private line 4 connected to the private branch exchange 1 according to the present embodiment, and a plurality of multifunction extension telephones. It has an extension circuit 14 that accommodates 13 and a CPU 15 that controls the overall operation.

In the present embodiment, in the private branch exchange 1, for example, an extension telephone 13 accommodated in another private branch exchange 11 or a general subscriber terminal 2 connected to the public network 2 is used.
1, an identification number of the private branch exchange 1 (hereinafter also referred to as a business office number), a registered special number, and a transfer source extension number accommodated in the private branch exchange 1, which are transmitted from an operation terminal such as a mobile phone / PHS terminal. In response to the transfer registration request including the transfer destination number and the transfer target call type designation number, the transfer request including at least the transfer source extension number, the transfer destination number and the transfer target call type designation number is sent to a memory (not shown) in the CPU 8. ), And based on the registered transfer request, transfer the incoming call of the call type specified by the transfer target call type designated number among the incoming calls to the transfer source extension number to the transfer destination number. Control.

FIG. 2 is a flow chart showing an external transfer destination registration operation. In the present embodiment, the operation terminal for performing the registration operation is the extension telephone 13 accommodated in the private branch destination office extension, that is, another private branch exchange 11, or the general subscriber terminal 21 connected to the public network 2. Or mobile /
The registration operation is slightly different depending on whether it is a PHS terminal.

Another private branch exchange 11 whose operating terminal is a leased line
In the case of the extension telephone 13 accommodated in, the transfer registration special number and the extension number of the transfer source are first added to the transfer source special number when the call is made to the branch office's own office number, that is, the private line when making a call to the private branch exchange 1. Dial (Step S
1) The transfer target call type is designated (step S2).

The call types to be transferred include, for example, the number "0" for all calls, the number "1" for only station line incoming calls, the number "2" for dedicated line incoming calls, and the number "3" for extension incoming calls. Only, assign the number "4" to all except the incoming call to the line, the number "5" to all except the incoming call to the leased line, and the number "6" to all the calls except the extension call, and dial by dialing the desired number. Yes (step S3) or omitting the dial operation to specify all call types of "0" (step S4).

Next, the transfer destination is designated (step S
5). This transfer destination may be specified by speed dialing (short dial) or by dialing all transfer destination numbers. However, when specifying by speed dialing, the speed dial number is followed by the speed dial number. Dial the code number (step S6).

When all transfer destination numbers are designated by dialing, depending on whether the transfer destination is the extension of the leased line destination (step S7), if the transfer destination is not the extension of the leased line destination, The transfer destination number is dialed (step S8), and when the transfer destination is an extension of the leased line destination, the leased line is selected according to the ISDN relay line or the VOIP line (step S9), and the dial operation is selected.

That is, when the leased line is not an ISDN trunk line or a VOIP line, the transferee's office number, that is, the leased line extension number when the call is made to another private branch exchange 11, is followed by the transferee's extension number. Dial (Step S
10) If the leased line is an ISDN trunk line or a VOIP line, depending on whether or not to transfer to the extension of the operation terminal (step S11), to transfer to the extension of the operation terminal (the operation terminal is a transfer destination extension) In the case of a terminal), omit the dial operation, and automatically acquire the above-mentioned leased line capture special number and transfer destination extension number by the leased line calling number notification function,
When transferring to an extension other than the operation terminal, step S10
In the same manner, dial the special line capture special number of the transfer destination and the extension number of the transfer destination.

The input information by the above registration operation is immediately determined when the "#" button is dialed (step S13) depending on whether or not the "#" button of the operating terminal is dialed (step S12). If the "#" button is not dialed, it is confirmed after a predetermined timeout (step S14).

On the other hand, in the case where the operation terminal is the general subscriber terminal 21 or the portable / PHS terminal connected to the public network 2, first, the identification number (for example, the office line number) of the transferee's own office number is used. Then, the transfer registration special number is dialed (step S21). Then, depending on whether or not there is a security check (step S22), if there is a check, a calling number check (step S23) or an ID input check (step S24) is performed.

If security is not ensured, BT (busy tone) is transmitted (step S25),
If the security is secured, the extension number of the transfer source is dialed next (step S26). If there is no security check, step S22
To S26 directly.

After that, the transfer target call type is designated (step S
According to 27), the desired call type to be transferred is designated by dialing the corresponding number from "0" to "6" as in step S3 (step S28), or as in step S4. The dial operation is omitted and all call types of "0" are designated (step S29).

Next, whether or not the transfer destination is designated by the speed dial by the transfer destination designation (step S30) (step S3)
1) or the destination number dialing is designated (step S32), and then the input information by the above registration operation is checked depending on whether the "#" button of the operation terminal is dialed (step S33). It is confirmed immediately by dialing (step S34) or after a predetermined time-out without dialing the "#" button (step S34).
35).

FIG. 3 schematically shows an example of registered contents of the transfer request registered in the CPU 8 of the private branch exchange 1 by the above registration operation. In FIG. 3, for example, the extension "20
Incoming calls of all call types to "00" are transferred to the general subscriber terminal of "0123456789" connected to the public network 2, and station incoming calls to the extension "2001" are connected to the public network 2. It indicates that the call is transferred to the mobile terminal with the number "09012345678" and the incoming call to the extension "2003" is transferred to the terminal with the extension "3000" accommodated in the other private branch exchange with the special number "70". There is.

During the transfer request registration period described above, C
The PU 8 controls to turn on the display lamp provided in the terminal of the transfer source extension number and indicating that the transfer request is being registered.

When the transfer request registered in the CPU 8 is to be canceled, the release special number and the transfer source extension number are dialed from an arbitrary operating terminal, the identification number of the transfer source private branch exchange 1 is dialed, and these pieces of information are displayed. Upon receiving the transfer cancellation request including the transfer cancellation request, the registration of the transfer request for the transfer source extension number is canceled. In this case, when the transfer cancellation request is received via the public network, the security check is preferably performed as in the case of registration.

When changing the transfer destination and / or call type for the registered transfer source extension, the transfer destination number changed after canceling the transfer request registered for the transfer source extension. And / or a transfer request including the call type is newly registered and changed, or the transfer request including the changed transfer destination number and / or call type is registered by overwriting. In the transfer registration and cancellation registration operations described above, operation guidance guidance is preferably sent to the operation terminal.

FIG. 4 is a time chart showing an outline of an example of the transfer process. This example shows a case where a transfer registration request is made with the operation terminal as the transfer destination terminal. First, the operation terminal performs a calling operation (sending the identification number of the private branch exchange 1) to the private branch exchange 1, and subsequently sends the transfer registration special number. Upon receiving the transfer registration special number, the private branch exchange 1 sends a guidance for designating the transfer source extension to the operation terminal, and the transfer source extension number from the operation terminal (for example, “100
0)), and thereafter, a guidance for designating a transfer target call type is sent to specify a desired transfer target call type, and further, a guidance for designating a transfer destination is sent to specify a transfer destination and a transfer registration request is issued. When the registration is completed and the registration is completed, the registration completion sound is sent to the operation terminal and the transfer source extension "1000" is sent.
A lamp for signal registering transfer is lit to send the lamp registering transfer provided on a predetermined function button of the extension.

Then, in the private branch exchange 1, in response to the incoming call to the extension "1000" from the caller, a transfer confirmation sound is sent to the caller terminal and then the call is transferred to the transfer destination terminal. After that, a normal two-party call is made between the caller terminal and the transfer destination terminal according to the response from the transfer destination terminal.

On the other hand, after canceling the transfer registration at the extension terminal "1000" of the transfer source, the extension "1" is sent from the caller terminal.
When there is an incoming call to "000", the extension terminal "1000" is made to ring by the normal incoming call control, and the two-way call is made to the caller terminal by the response.

According to the present embodiment, for example, when a user travels on a business trip and forgets to register the transfer from his / her extension telephone, he / she can use the mobile telephone possessed by him / herself while traveling to the business trip destination. Access the business office (private branch exchange 1) of No. 1 and set it so that, for example, only the incoming call to the local line is transferred to the mobile phone you have by special number operation, and the business office to which you are visiting (other private branch exchange) After arriving at, you can access your office via a leased line and use a special number operation to transfer all incoming calls to the extension of the laboratory you work in. , Transfer registration / cancellation for any destination can be performed.

[0041]

As described above, according to the present invention, a transfer registration request including at least a private branch exchange identification number, a registration special number and a transfer source extension number, a transfer destination number and a transfer target call type designation number is received. Register the required transfer request contents,
Incoming call transfer control means is provided for controlling, based on the registered transfer request, to transfer an incoming call of the call type specified by the transfer target call type designation number among the incoming calls to the transfer source extension number to the transfer destination number. Therefore, the transfer destination and the incoming call to be transferred can be set from the destination via the leased line or the public network with a simple operation, and the operability / convenience can be greatly improved.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a main part of an embodiment of a private branch exchange according to the present invention.

FIG. 2 is a flowchart showing an operation of registering a transfer destination from the outside according to the present embodiment.

FIG. 3 is a diagram schematically showing an example of registration contents of a registered transfer request.

FIG. 4 is also a time chart showing an outline of an example of a transfer process.

[Explanation of symbols]

1 Private branch exchange 2 public network 3 station line circuit 4 dedicated line 5 dedicated line circuit 6 Multi-function extension telephone 7 extension circuit 8 Central control unit (CPU) 11 Other private branch exchanges 12 dedicated line circuit 13 Multifunctional extension telephones 14 Extension circuit 15 CPU 21 General subscriber terminal

Continued front page    F-term (reference) 5K015 AD00 AF06 HA03 HA09                 5K024 AA35 AA45 AA62 GG05 GG08                       GG13                 5K049 AA15 BB04 BB12 CC11 EE02                       FF01 FF47 GG07 GG16

Claims (11)

[Claims] 1. A private branch exchange that accommodates a plurality of extensions and is connected to a private line and / or a public network to construct a network, and is housed in at least the identification number, the registered special number, and the private branch exchange of the private branch exchange. In response to the transfer registration request including the transfer source extension number, the transfer destination number and the transfer target call type designation number, the transfer request including at least the transfer source extension number, the transfer destination number and the transfer target call type designation number is registered. Based on the registered transfer request, an incoming call control for transferring an incoming call of the call type specified by the transfer target call type designated number among the incoming calls to the transfer source extension number to the transfer destination number A private branch exchange having control means. 2. The private branch exchange according to claim 1, wherein the private branch exchange is connected to another private branch exchange through a dedicated line, and the call transfer control means is an extension housed in the other private branch exchange. A private branch exchange configured to acquire an identification number of the other private branch exchange and an extension number of the extension terminal as transfer destination numbers and control incoming call transfer when the data is transferred to the terminal. 3. The private branch exchange according to claim 2, wherein the leased line is an ISDN trunk line or a VOIP line, and the incoming call transfer control means is identification information sent from an operation terminal that sends the transfer registration request. Is configured to automatically acquire the extension number of the transfer destination terminal and the identification number of the other private branch exchange in which the transfer destination terminal is accommodated, from the operating terminal as the transfer destination terminal. A private branch exchange. 4. The private branch exchange according to claim 1, wherein the incoming call transfer control means is configured to perform a security check when the transfer registration request is received via a public network. switch. 5. The private branch exchange according to any one of claims 1 to 4, wherein the incoming call transfer control means is an identification number of the private branch exchange.
A private branch exchange configured to receive a transfer cancellation request including a cancellation special number and the transfer source extension number, and cancel registration of the transfer request for the transfer source extension number. 6. The private branch exchange according to claim 5, wherein the incoming call transfer control means is configured to perform a security check when receiving the transfer cancellation request via a public network. switch. 7. The private branch exchange according to any one of claims 1 to 6, wherein the incoming call transfer control means is in the registration period of the transfer request,
A private branch exchange characterized by being configured to drive a display lamp, which is provided in the terminal having the transfer source extension number, for displaying that the transfer request is being registered. 8. The private branch exchange according to any one of claims 1 to 7, wherein the incoming call transfer control means registers the transfer request with respect to the change of the transfer destination number and / or the call type. It is possible to select whether to newly register a transfer request including the changed forwarding number and / or call type after canceling or to overwrite the transfer request including the changed forwarding number and / or call type. A private branch exchange characterized by being used. 9. The private branch exchange according to claim 1, wherein the incoming call transfer control means is configured to send operation guidance guidance to the operation terminal for the transfer registration request. Private branch exchange characterized by. 10. The private branch exchange according to any one of claims 5 to 9, wherein the incoming call transfer control means is configured to send operation guidance guidance to the operation terminal that requests the transfer cancellation. Private branch exchange characterized by. 11. The private branch exchange according to claim 1, wherein the incoming call transfer control means is configured to register the transfer destination number with a speed dial code. Private branch exchange.