JP5618344B2 - Key telephone system external line sharing method and key telephone system - Google Patents

Description

  The present invention relates to a key telephone system, and more particularly to a technique for sharing an outside line response and a held call among a plurality of terminals of the key telephone system.

  This type of conventional technique is described in Patent Document 1, for example. In this type of prior art, a key corresponding to an outside line number is set on a one-to-one basis, and the key is shared between terminals, whereby the outside line is shared and managed in the key telephone system.

  According to such a conventional technique, since the correspondence between the external line number and the key corresponds to one to one, the number of keys increases as the number of external lines increases, and the number of external lines that can be accommodated in the main unit is the key of the terminal. Was limited by the number of.

  In addition, since the correspondence between the external line number and the key is fixed, not only when the number of external lines accommodated in the main device increases, but also when it decreases, or the total number of external lines is the same. It was necessary to change the key settings even when the outside line number changed.

JP 2006-108863 A

  The present invention has been made in view of such a situation, and the problem to be solved by the present invention is that, in a key telephone system, an outside line key can be set without being influenced by the number of physical outside lines accommodated. It is to provide outside line management technology.

  In order to solve the above-mentioned problems, the present invention provides the following key telephone system external line sharing method and key telephone system.

  First, as an aspect of the present invention, in a method of sharing an external line accommodated in a key telephone system including a main apparatus and a plurality of terminals among a plurality of terminals, the present invention is assigned to any of the external lines. One key ID, a first key that is one of the keys of the first terminal that is one of the plurality of terminals, and a key of the second terminal that is one of the plurality of terminals and different from the first terminal The correspondence relationship between the second keys, which is one of the above, is stored in the storage device of the key telephone system, and one of the external lines is captured by the main device (steps S2 and S3). Assigning the unused one of the key IDs corresponding to the first key to the outside line (steps S4 and S5), and assigning the key ID to the second terminal by the other terminal Capture outside lines The step of notifying the Rukoto (step S6, S7), characterized in that it comprises a step (step S10) to the first terminal captures the external line of capturing to provide an outside line sharing method of a key telephone system.

  In another aspect, the present invention provides a key telephone system including at least one main device and a plurality of terminals, one key ID to be assigned to any of the outside lines, and one of the plurality of terminals. Correspondence between a first key, which is one of the keys of the first terminal, and a second key, which is one of the plurality of terminals and which is one of the keys of the second terminal different from the first terminal Correspondence relationship storage means (storage device, telephone management file) for storing relationships, key ID state storage means (storage device, external line management file) for storing whether each key ID is used or unused, and correspondence relationship Means for assigning one of the key IDs corresponding to the first key stored as unused in the key ID state storage means to the external line captured by the main device; That the terminal other than the second terminal captures the external line that has been assigned the key ID, and provides a key telephone system characterized in that it comprises a means for notifying the second terminal.

  According to the present invention, the key ID is not assigned in advance to a specific physical outside line, but is assigned when the outside line is captured. This key ID functions as a virtual ID of an outside line, and is not affected by an increase or decrease in the number of outside lines or a change in the outside line number. As a result, according to the present invention, it is possible to provide a key telephone system and an external line sharing method capable of setting an external line key without being influenced by the number of physical external lines accommodated.

(First embodiment)
A key telephone system 1 according to an embodiment of the present invention will be described with reference to FIG. The key telephone system 1 includes a main device 2, an external package 3, an internal package 4, and terminals 5-1, 5-2, ..., 5-a accommodated in the main device 2.

  The main device 2 includes an external line package 3, a unit interface 6 connected to the internal line package 4, a call control unit 7, and a storage device 8. The call control unit 6 includes a response control unit 9, a hold control unit 10, and a data control unit 11. The response control unit 9 controls operations related to responses. The hold control unit 10 controls operations related to hold. The data control unit 11 accesses a data area secured in the storage device 8 to read / write data. The external line package 3 includes a plurality of external lines 3-1, 3-2,..., 3-b. The extension package 4 includes a plurality of extensions 4-1, 4-2, ..., 4-a. a and b are natural numbers. When it is not necessary to distinguish between terminals, the terminal 5 is described. Similarly, an external line may be collectively referred to as an external line 3, and an internal line may be collectively referred to as an internal line 4.

  Referring to FIG. 2, the terminal 5 includes a handset 21, a display device 22 such as a liquid crystal display, a numeric keypad 23, a hold key 24, a call key 25, a response key 26, and a function key group 27. Each function key of the function key group 27 is given the names A1, A2,..., An, B1, B2,..., Bn,. Hereinafter, when referring to a specific function key, these names are used to denote a function key A1, a function key B2, and the like. Each function key is given a key ID as a different identifier. The data area of the storage device 8 of the main device 2 stores a link list describing the correspondence between the key ID of the flexible external line key and the terminal having the flexible external line key having the key ID.

  In the terminal 5-1, when the call button 25 and the response button 26 are pressed or a predetermined empty outside line capturing special number is dialed with the numeric keypad 23 (step S1), one of the outside lines 3 is captured (step S2). . At this time, one of the flexible external line keys set in the terminal 5-1 is occupied and assigned to the captured external line (steps S4, S5, S10). The main device 2 searches the link list for other terminals in which the flexible external key with the same key ID is set, and notifies the corresponding terminal of the capture state (steps S6 to S8). Here, it is assumed that the terminals 5-2 and 5-3 have flexible external line keys having the same key ID as those assigned to the external line being captured by the terminal 5-1. At this time, when the terminal 5-1 assigns the flexible external line key and holds the captured external line, the main device 2 notifies the terminal 5-2 and 5-3 that previously notified the captured state of the reserved state. At this time, the flexible external line keys sharing the same key ID are put on hold in any of the terminals 5-1, 5-2, and 5-3. When the terminal 5-2 responds to the call held here, the main device 2 notifies the terminal 5-1 and 5-3 of the captured state.

  With reference to FIG. 4, the operation of the terminal 5 after receiving an outside line acquisition permission from the main apparatus 2 will be described. When an external line acquisition permission is received from the main device 2 in response to a user's external line acquisition operation (step S21), the terminal 5 searches for a key ID of an available flexible external line key that is available (step S22). ). The usage state is recorded in the state memory associated with the searched key ID (step S23), and other terminals where the flexible external key having the same key ID is registered are searched (step S24), and all corresponding terminals are searched. Is notified of the status (step S25). Further, the LED display of the flexible external line key of the searched key ID is changed (step S26). If an unused key ID is not found, it is handled as an error that cannot be captured (step S27).

(Second Embodiment)
Next, the key telephone system 30 which is the 2nd Embodiment of this invention is demonstrated. The key telephone system 30 includes a main device 31, an external line package 32 accommodated in the main device 31, an internal line package 33, and terminals 34-1, 34-2, ..., 34-a.

  The main device 31 includes an external line package 32, a unit interface 35 connected to the internal line package 33, a call control circuit 36, a control unit 37, and a storage device 38. The control unit 37 includes a response control unit 39, a hold control unit 40, a data control unit 41, and a transmission control unit 42. The response control unit 39 controls operations related to responses. The hold control unit 40 controls operations related to hold. The data control unit 41 accesses a data area secured in the storage device 38 to read / write data. The data area includes a telephone management file 43, an external line management file 44, and a shared ID management file 45. Information for managing the terminal 34 is stored in the telephone management file 43. The external line management file 44 stores information for managing the external line 32. The shared ID management file 45 stores information for managing the shared ID. The external line package 32 includes a plurality of external lines 32-1, 32-2,. The extension package 33 includes a plurality of extensions 33-1, 33-2, ..., 33-a. a and b are natural numbers. When it is not necessary to distinguish between terminals, the terminal 34 is described. Similarly, an external line may be collectively referred to as an external line 32, and an internal line may be collectively referred to as an internal line 33.

  The terminal 34 is connected to the main device 31 via the interface unit 50. A handset 52 and a speaker / microphone 53 are connected to the interface unit 51 via a voice processing unit 51. The terminal 34 including the interface unit 50 and the voice processing unit 51 is controlled by the control unit 54. The control unit 54 includes a dial button 55, a function button 56, a hold button 57, a call button 58, and a response button as input devices. 59 is connected, and a storage unit 60 and a display unit 61 are further connected. Function buttons 56 serving as flexible external line keys include A1, A2, A3, and A4. Hereinafter, function buttons may be referred to as FK buttons. Further, one of the function buttons 56 may be distinguished and referred to as FK button A1, FK button A2, FK button A3, FK button A4, or the like.

  Here, for clarity of explanation, a = 3 and b = 4 will be described as an example. That is, referring to FIG. 6, the extension package 33 is composed of three extensions 33-1, 33-2, and 33-3, to which terminals 34-1 and 34-2 and 34-2 are connected, respectively. The external line package 32 includes external lines 32-1, 32-2, 33-2, and 33-4, and the telephone numbers are 1001, 1002, 1003, and 1004, respectively. Further, the main device 31 secures shared IDs 0001, 0002,..., 000n as key IDs of the flexible external line keys.

  As described above, the terminals 34-1, 34-2, and 34-3 include FK buttons A1 to A4, respectively. Of these, it is assumed that the FK button A1 has a shared ID 0001 set for any terminal. Similarly, it is assumed that the shared ID 0002 is set for any terminal of the FK button A2. In the FK buttons A1 and A2, the same shared ID is set for all the same type of FK buttons in each terminal. In contrast, the shared ID 0003 is set for the FK button A3 of the terminal 34-1 and the shared ID 0005 is set for the FK button A3 of the terminals 34-2 and 34-3. The shared ID 0004 is set for the FK button A4 of the terminal 34-1 and the shared ID 0006 is set for the FK button A4 of the terminals 34-2 and 34-3. The correspondence relationship between the FK buttons A1 to A4 of each terminal and the shared ID, that is, the link list is set in the telephone management file 43, for example.

  With this setting, refer to FIGS. 7 to 10 for the transition of the state display of the FK button when a call is resumed at terminal 34-2 after an external line is transmitted from terminal 34-1 and held. To explain. In these drawings, the external line state of the external line management file 44 indicates the use state of the corresponding external line, where 1 indicates that it is in use and 0 indicates that it is empty. The status information of the shared ID management file 45 indicates the usage status of the corresponding shared ID, where 1 indicates that it is in use and 0 indicates that it is empty. Tables 70-1, 70-2, and 70-3 are extracted from the telephone management file 43 for explanation, and FK buttons A1 to A4 of the terminals 34-1 and 34-2 and 34-3, respectively. Is used, 0 indicates an unused state, and 1 indicates that it is in use.

  The state immediately before the transmission at the terminal 34-1 will be described with reference to FIG. 7. As shown in the external line management file 44, the external lines 32-1 to 32-4 are all free, and the shared ID management file 45 As shown in the table, all the shared IDs are empty, and as shown in the tables 70-1 to 70-3, all the FK buttons of all the terminals are in an unused state.

  In the state shown in FIG. 7, when the call button 58 and the response button 59 of the terminal 34-1 are pressed, or the dial button 55 is used to dial a predetermined vacant line capturing special number, the main device 31 has the outside lines 32-1 to 32-2. 4, one of the vacant ones is captured, and one vacant flexible line key set in the terminal 34-1 is searched for and assigned to the captured outside line. In addition, the main device 31 searches the link list for a terminal in which the flexible external line key having the same shared ID is set, and notifies the corresponding terminal of the capture state. When the transmission button 58 of the terminal 34-1 is pressed, the free state is searched from the shared ID. The shared ID 0001 that is in a free state is set to a use state, a free external line 1001 is searched from the external line, and the external line is captured. The status information of the shared ID 0001 is updated to 1, and the terminal set with the shared ID 0001 is notified that the shared ID 0001 has been used, and the status display of the FK button A1 is updated to the captured status.

  The state after these operations will be described with reference to FIG. 8. Here, the data control unit 41 updates the external line state of the external line number 1001 to 1 in the external line management file 44 and shares ID 0001 in the shared ID management file 45. The state information of is updated to 1. In the telephone management file 43, the status display of each FK button A1 of the terminals 34-1 and 34-2 and 34-3 which are FK buttons set with the shared ID 0001 is updated to 1. However, since the terminal 34-1 is the transmission source here, the LED of the FK button A1 of the terminal 34-1 is lit in green indicating that the terminal 34-1 is used, and the LEDs of the other terminals 34-2 and 34-3 are Lights red to indicate that another terminal is using it.

  The operation when the user presses the hold button 57 in a state where the terminal 34-1 makes an outside line transmission using the FK button A1, the shared ID 0001, and the outside line 1001 will be described with reference to FIG. The state shifts to the hold state, and the LED of the FK button A1 is changed to the red blinking state, and the main device 31 is notified that the outside line related to the shared ID 0001 has shifted to the hold state. In response to this, the main device 31 holds the external line relating to the shared ID 0001 on hold with respect to the terminals 34-2 and 34-3 including the FK button set with the same shared ID 0001 as the FK button A1 of the terminal 34-1 Notify that In response to this, the LEDs of the FK buttons A1 of the terminals 34-2 and 34-3 both shift to a red blinking state indicating a hold state.

  In this way, the outside line transmission from the terminal 34-1 via the outside line 1001 is suspended. From this state, any terminal of the terminals 34-1 34-2, and 34-3 can release the hold of the external line 1001. Here, assuming that the terminal 34-2 has performed an operation for canceling the hold related to the FK button A1, the LED of the FK button A1 of the terminal 34-2 shifts to a green lighting state indicating use in the own terminal. The terminal 34-2 notifies the main apparatus 31 that the external line holding related to the shared ID 0001 has been released. In response to this notification, the main apparatus 31 notifies the terminals 34-1 and 34-3 to which the shared ID 0001 is set that the hold has been released, and receives the notification, thereby receiving the terminals 34-1 and 34-3. Then, the LED display of the FK button A1 in which the shared ID 0001 is set is switched to red lighting indicating use in another terminal. The state at this time is shown in FIG.

It is a block diagram of the key telephone system 1 which is the 1st Embodiment of this invention. It is a figure for demonstrating the terminal 5 of the key telephone system. 4 is a diagram for explaining the operation of the key telephone system 1. FIG. 4 is a flowchart for explaining the operation of the terminal 5 of the key telephone system 1; It is a block diagram of the key telephone system 30 which is the 2nd Embodiment of this invention. It is a figure which shows typically the relationship between the outside line and shared ID in the key telephone system. In the key telephone system 30, it is a figure which shows the state of the telephone management file 43, the external line management file 44, and the shared ID management file 45 when all the external lines and shared IDs are vacant. In key telephone system 30, it is a figure which shows the state of the telephone management file 43, the external line management file 44, and the shared ID management file 45 when it transmits using the FK button A1 from the terminal 34-1. In key telephone system 30, it is a figure which shows the state of the telephone management file 43, the external line management file 44, and the shared ID management file 45 when the outside line transmission using FK button A1 is suspended from the terminal 34-1. In the key telephone system 30, it is a figure which shows the state of the telephone management file 43, the external line management file 44, and the shared ID management file 45 when the hold of an external line is cancelled | released by the terminal 34-2.

Explanation of symbols

1, 30 Key telephone system 2, 31 Main unit 3, 32 External package 3-1, 3-2, 32-1, 32-2 External line 4, 33 Internal package 4-1, 4-2, 33-1, 33 -2, extension 5, 5-1, 5-2, 34-1, 34-2, 34-3 terminal 6, 35 unit interface 7 call control unit 8, 38 storage device 9, 39 response control unit 10, 40 hold control Units 11 and 41 Data control unit 21 Handset 22 Display device 23 Numeric keypad 24 Hold key 25 Call key 26 Response key 27 Function key group 36 Call control circuit 37 Control unit 42 Call control unit 43 Telephone management file 44 External line management file 45 Shared ID management File 50 Interface unit 51 Audio processing unit 52 Handset 53 Speaker / microphone 54 Control unit 55 Dial button 56 Function button 57 Hold button 58 Call button 59 Response button 60 Storage unit 61 Display unit

Claims (8)

In a method of sharing an external line accommodated in a key telephone system including a main device and a plurality of terminals, among a plurality of terminals,
One key ID to be assigned to any of the external lines, a first key that is one of the keys of the first terminal that is one of the plurality of terminals, and one of the plurality of terminals. Storing the correspondence relationship between the second keys, which are one of the keys of the second terminal different from the first terminal, in the storage device of the key telephone system;
Capturing any of the outside lines at the main unit;
Assigning an unused one of the key IDs corresponding to the first key to the captured external line in the correspondence relationship;
Notifying the second terminal that the first terminal captures the external line assigned the key ID;
Allocating the second key corresponding to the key ID to the outside line captured by the first terminal using the correspondence relationship, and notifying the second terminal that it is in use. An outside line sharing method for a key telephone system, comprising: The key telephone system external line sharing method according to claim 1, further comprising:
Suspending the captured outside line at the first terminal;
An outside line sharing method for a key telephone system, comprising: notifying the second terminal that the captured outside line is suspended. The key telephone system external line sharing method according to claim 2, further comprising:
Capturing the reserved outside line at the second terminal;
A method of sharing an external line of a key telephone system, comprising: notifying the first terminal that the other terminal has captured the external line assigned with the key ID.   4. The key telephone system external line sharing method according to claim 1, wherein the number of external lines accommodated by the key telephone system is different from the number of key IDs stored in the correspondence relationship. The outside line sharing method of the key telephone system. In a key telephone system comprising at least one main device and a plurality of terminals,
One key ID to be assigned to any of the external lines, a first key that is one of the keys of the first terminal that is one of the plurality of terminals, and one of the plurality of terminals. Correspondence relationship storage means for storing a correspondence relationship between a second key that is one of keys of a second terminal different from the first terminal;
Key ID state storage means for storing whether each of the key IDs is used or unused;
Means for allocating one of the key IDs corresponding to the first key in the correspondence relationship, which is stored as unused in the key ID state storage means, to an external line captured by the main device; ,
Means for notifying said second terminal that said first terminal captures an external line assigned said key ID;
Means for allocating the second key corresponding to the key ID to the outside line captured by the first terminal by using the correspondence relationship, and notifying the second terminal of being in use; A key telephone system characterized by comprising: The key telephone system according to claim 5, further comprising:
Means for holding the captured outside line at the first terminal;
And a means for notifying the second terminal that the captured outside line has been put on hold. The key telephone system according to claim 6, further comprising:
Means for capturing the reserved outside line at the second terminal;
A key telephone system comprising: a means for notifying the first terminal that the other terminal has captured the outside line assigned with the key ID.   8. The key telephone system according to claim 5, wherein the number of external lines accommodated in the key telephone system is different from the number of key IDs stored in the correspondence relationship. .

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