JP3963159B2 - Telephone system - Google Patents

Description

  The present invention relates to a telephone system, and in particular, includes a main unit connected to a telephone line and a plurality of extension telephones connected to the main unit, and uses a radio telephone composed of a master unit and a wireless slave unit as the extension phone. It relates to the telephone system.

In a telephone system composed of a main unit connected to a telephone line and a plurality of extension telephones connected to the main unit, a radio telephone may be used as the extension telephone.
This wireless telephone is composed of a parent device and a wireless child device that make a pair, of which the parent device is connected to the main unit, and the wireless child device is connected to the parent device via a wireless line. This type of wireless telephone is called a curled cordless type cordless telephone because there is no curled cord for connecting the handset to the telephone body as compared with a general extension telephone. Usually, a base unit and a wireless slave unit belonging to the same wireless telephone perform wireless communication using the same preset identification information, that is, a system ID, thereby causing interference with the base unit and the wireless slave unit of another wireless telephone. It is the composition which avoids.

In a telephone system that connects such wireless telephones as extension telephones, a function that controls the operating state triggered by picking up a handset, that is, a wireless handset from the master unit, is proposed, similar to general extension telephones. Has been.
For example, if a wireless handset is picked up after entering the other party's dial number from the base while the wireless handset is placed, the outside line is captured using the pick-up as a trigger, and the partner input in advance at the base There is a function of making an outside line transmission using a dialed number, that is, a preset dial function (see, for example, Patent Document 1).

  In addition, as a general function, when the line is captured by using the on-hook call function such as the hands-free function of the master unit or the speaker receiving function, these functions are canceled when the wireless slave unit is picked up. Automatic call switching function for switching to a call on a wireless slave unit. When an incoming call is received while the wireless slave unit is mounted, a call is made on the wireless slave unit in response to the incoming call when the wireless slave unit is picked up. There is an incoming call automatic answering function to start, and a line automatic catching function for catching a line when the wireless slave is picked up from the master.

The applicant has not yet found prior art documents related to the present invention by the time of filing other than the prior art documents specified by the prior art document information described in this specification.
JP 2001-038773 A

However, in such a conventional telephone system, since the wireless handset of each wireless telephone can be freely carried, it may be erroneously placed on the base unit belonging to other wireless telephones, and when erroneous placement occurs Since the master unit and the wireless slave unit belong to different wireless telephones, the control of the master unit and the wireless slave unit by the main unit is not linked, and the user may be confused.
For example, in the case of the preset dial function, if a wrongly placed wireless slave unit is picked up after entering the other party's dial number on the master unit, the master unit will be triggered by picking up the wireless slave unit as described above. Make an outside line call.

However, if the wireless slave unit is misplaced, the external line is captured according to the picking up of the wireless slave unit by the automatic line capture function as in the case of normal placement. Since the external line to be captured differs between the slave unit and the master unit, the wireless slave unit cannot make a call with the other party that originated by the preset dial function of the master unit, and the user is confused.
The present invention is for solving such a problem, and even when the wireless slave unit is erroneously mounted on the base unit of a different wireless telephone, the user's trouble caused by picking up the wireless slave unit It aims to provide a telephone system that can avoid confusion.

  In order to achieve such an object, a telephone system according to the present invention includes a main device connected to a telephone line and a plurality of extension telephones connected to the main device, and a parent device connected to the main device. In a telephone system that uses a wireless telephone set as an extension telephone that is composed of a pair of wireless slave units connected to the master unit via a wireless line and in which the location of the wireless slave unit is provided in the master unit, If a wireless handset that belongs to a wireless telephone different from this base unit is picked up from a base unit that is at least one of the outgoing operation state, the incoming operation state, or the line capture state, the operation state of the base unit is changed. Call control means for canceling and transferring the master unit paired with the wireless slave unit to an operating state is provided.

At this time, the main device may further include a determination unit that determines erroneous placement of the wireless slave device with respect to the master device belonging to a different wireless telephone, based on the notification from the master device and the wireless slave device.
Also, as the call origination operation, any of the operations performed from dial input or partner selection performed before line supplementation to calling of the partner may be used.

  In the present invention, when a wireless slave unit belonging to a radio telephone different from the master unit is picked up from the master unit during outgoing call operation, incoming call operation, or talking by the call control means of the main unit, the operation in the master unit is performed. Since the operation is continued with the base unit belonging to the same wireless telephone as the wireless handset, even if the wireless handset is erroneously placed on the base unit of a different wireless telephone, the wireless handset Can avoid user confusion caused by

Next, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a block diagram showing a configuration of a telephone system according to an embodiment of the present invention.
This telephone system is composed of a main device 10 connected to one or more telephone lines 11 from the network, and a plurality of radio telephones 20A, 20B to 20N accommodated in the main device 10. The device 10 exchanges and connects calls such as voice calls and data communications between the telephone line 11 and any of the radio telephones 20A, 20B to 20N.

The radio telephone 20A is configured by a pair of a master unit 30A connected to the main apparatus 10 via the extension transmission line 17, and a handset type radio slave unit 40A connected to the master unit 30A via a radio line. ing. The base unit 30A is provided with a charging stand, that is, a mounting place on which the wireless slave unit 40A is placed for charging. Normally, when not in use, the wireless slave unit is placed on the base unit. Is done.
In the wireless telephone 20A, wireless communication is performed between the parent device 30A and the wireless slave device 40A using a system ID unique to the wireless telephone 20A set in advance. The configuration of the radio telephones 20B to 20N is the same as that of the radio telephone 20A, and is composed of a pair of a master unit 30B to 30N and a radio slave unit 40B to 40N, respectively.

  The main apparatus 10 includes an external line interface unit (hereinafter referred to as an external line I / F unit) 12 that controls the termination of the telephone line 11 and an internal line interface unit that performs data transmission with the radio telephones 20A to 20N via a wired extension transmission path 17. (Hereinafter referred to as an extension I / F section) 13, a switch 14 for exchange connection between the outside I / F section 12 and the extension I / F section 13, and each section of the main unit 10 to control the telephone line 11 and each Control unit 15 that performs call control of radio telephones 20A to 20N, information necessary for control by control unit 15, for example, call control information 16A for managing the operating state and function settings of each radio telephone 20A, and radio slave units There is provided a storage unit 16 for storing information such as the placement management information 16B for managing the placement state and programs used by the control unit 15.

In particular, the control unit 15 includes a microprocessor such as a CPU, and by reading and executing a program in the storage unit 16, the hardware and the program cooperate to realize various functional units, and perform various call controls. In addition, various management processes for the telephone system are performed.
The control unit 15 is provided with call control means 15A and determination means 15B as functional means. The call control means 15A performs control related to outgoing operation, incoming operation, and telephone call of each of the radio telephones 20A to 20N based on the call control information 16A and the placement management information 16B in the storage unit 16. Based on the notification from each parent device and the wireless slave device, the determination unit 15B determines the placement relationship between the parent device and the slave device that are the notification source, and updates the placement management information 16B.

FIG. 2 shows a configuration example of base unit 30 (30A, 30B to 30N). The base unit 30 includes an extension interface unit (hereinafter referred to as an extension I / F unit) 31, a wireless interface unit (hereinafter referred to as a wireless I / F unit) 32, a voice processing unit 33, a display unit 34, a key input unit 35, A storage unit 36, a power feeding unit 37, a placement detection unit 38, and a parent device control unit 39 are provided.
The extension I / F unit 31 is a circuit unit that performs data transmission with the main apparatus 10 via the extension transmission path 17. The wireless I / F unit 32 is a circuit unit that performs data communication with the wireless slave device 40 (40A, 40B to 40N) via a wireless line. The voice processing unit 33 is a circuit unit having a hands-free function for performing a call without using a wireless slave unit, that is, a handset, a speaker receiving function and a function for generating various notification sounds.

The display unit 34 is a circuit unit that performs various displays by controlling the LEDs and the LCD based on instructions received from the main apparatus 10 by data transmission. The key input unit 35 is a circuit unit that detects a key operation by a user. The storage unit 36 is a memory that stores various information and programs used for processing operations in the parent device control unit 39. The power feeding unit 37 is a circuit unit that supplies power for charging the battery of the wireless slave device 40 electrically connected via the charging terminal 37A. The placement detection unit 38 is a circuit unit that detects whether or not the wireless slave device 40 is placed on the parent device 30.
The base unit control unit 39 has a microprocessor such as a CPU, and reads and executes the program in the storage unit 36, whereby the hardware and the program cooperate to control each unit of the base unit 30. It is.

FIG. 3 shows a configuration example of the wireless slave device 40. The wireless slave unit 40 includes a wireless interface unit (hereinafter referred to as a wireless I / F unit) 41, a voice processing unit 42, a battery 43, a charging unit 44, a state detection unit 45, a storage unit 46, a display unit 47, and a key input unit. 48 and a wireless slave unit controller 49 are provided.
The wireless I / F unit 41 is a circuit unit that performs data communication with the parent device 30 via a wireless line. The voice processing unit 42 is a circuit unit having a voice call function using a speaker and a microphone (not shown) and a function for generating various notification sounds. The battery 43 is a circuit unit that stores an operating power source used in each unit of the wireless slave device 40. The charging unit 44 is a circuit unit that charges the battery 43 with the power supplied from the parent device 30 via the charging terminal 44A. The state detection unit 45 is a circuit unit that detects an on-hook / off-hook state of the wireless slave device 40, that is, a mounting state.

The storage unit 46 is a memory for storing various information and programs used for processing operations in the wireless slave unit control unit 49. The display unit 47 is a circuit unit that performs various displays by controlling the LED and the LCD based on an instruction received from the parent device 30 by data communication. The key input unit 48 is a circuit unit that detects a key operation by a user.
The wireless slave device control unit 49 has a microprocessor such as a CPU, and reads and executes the program in the storage unit 46, whereby the hardware and the program cooperate to control each unit of the wireless slave device 40. It is a functional part.

The state detection unit 45 is realized as a known technique by a general switch such as a hook switch that operates mechanically by placing the wireless slave unit 40 on the base unit 30 or a photo interrupter that operates electrically. There is also an example, and the placement detection unit 38 may use the same switch.
Further, as the state detection unit 45, there is an example in which the electrical connection between the charging terminal 37A and the charging terminal 44A used for the charging operation is detected between the parent device 30 and the wireless slave device 40, and the placement detection unit 38 is also the same. The electrical connection may be detected.

In this case, an amount of electricity that changes due to the electrical connection between the charging terminal 37A and the charging terminal 44A, for example, a current value or a voltage value is taken in from the power feeding unit 37 or the charging unit 44, and wirelessly connected to the parent device 30 according to the change. The presence / absence of the child device 40 may be detected.
When the battery 43 of the wireless slave device 40 is fully charged, the charging power from the master device 30 to the wireless slave device 40 becomes zero. Therefore, for example, when a current of a predetermined value or more is always passed between the charging terminal 37A and the charging terminal 44A, or a predetermined potential is applied, the charging terminal 37A and the charging terminal 44A are in a fully charged state. The presence / absence of electrical connection to may be detected.

FIG. 4 is an explanatory diagram of the placement management information 16B, FIG. 4 (a) is a configuration example of the placement management information, and FIG. 4 (b) is an erroneous placement example of the wireless slave unit.
Detection information indicating a change in the placement state detected by the placement detection unit 38 of the parent device 30 is notified to the control unit 15 of the main apparatus 10 by data transmission. Also, the detection information indicating the change in the mounting state detected by the state detection unit 45 of the wireless slave device 40 is notified to the parent device control unit 39 of the parent device 30 by wireless communication, and the main device 10 in the same manner as described above. The control unit 15 is notified.

In the control unit 15 of the main apparatus 10, the determination unit 15B determines whether or not the time difference between the reception timings of the detection information notified from the parent device 30 and the wireless slave device 40 is within a predetermined allowable time difference, and notifies the detection information. Based on the combination of the parent device 30 and the wireless slave device 40 as a base, it is determined to which parent device 30 the wireless slave device 40 is placed, and the corresponding relationship is managed by the placement management information 16B.
At this time, even if the parent device 30 and the wireless slave device 40 belong to different wireless telephones 20, the respective detection information has the same operations and control operations common to the parent device 30 and the wireless slave device 40. If shown, they will be received almost simultaneously. Therefore, the placement relationship between the parent device 30 and the wireless slave device 40 can be determined by comparing the reception timings of these detection information.

In the master unit 30 and the wireless slave unit 40, even if a common operation or control operation is detected, a processing delay occurs to some extent until the detection information is confirmed by the main device 10. For example, when the wired extension transmission path 17 is used for data transmission from the master unit 30 to the main apparatus 10, there is almost no processing delay required for the data transmission.
On the other hand, the data transmission from the wireless slave unit 40 to the main device 10 via the master unit 30 is caused by the wireless protocol because a radio line is interposed between the wireless slave unit 40 and the master unit 30. To some extent, and there is also some processing delay in the detection information transfer processing in the master unit 30. Therefore, a predetermined allowable time difference may be provided for the determination of the reception timing. The allowable time difference may be set for each telephone system as the sensitivity of determination.

  Further, in order to determine the notification source of the detection information, identification information indicating the notification source may be stored in the information. Further, each wireless telephone 20 is connected to the extension I / F unit 13 of the main apparatus 10 via the extension transmission path 17 in a one-to-one relationship, and the extension I / F unit that has received the detection information. Based on the 13 port positions, it may be determined from which radiotelephone 20 the detection information is from.

Individual identification information is assigned in advance to each parent device 30 and the wireless child device 40. In the example of FIG. 4A, the parent device identification information is managed in association with each wireless child device identification information. ing.
For example, as shown in FIG. 4B, when the wireless slave device 40A is erroneously placed on the master device 30B different from the original master device 30A, the placement management information 16B in FIG. “30B” is registered as parent device identification information corresponding to the wireless slave device 40A. In this example, since the wireless slave device 40B is not placed on any parent device 30, the device is left as registered parent device identification information corresponding to the wireless slave device 40B.

Next, the operation of the telephone system according to the first embodiment of the present invention will be described with reference to FIG. FIG. 5 is a sequence diagram showing the operation of the telephone system according to the first embodiment of the present invention.
In the present embodiment, a preset dial function for making a call according to picking up of a wireless slave unit to a destination selected by a preset operation in the master unit in which the wireless slave unit is erroneously placed will be described. In the following, it is assumed that the wireless slave device 40A constituting the wireless telephone 20A in a pair with the parent device 30A is erroneously placed on the parent device 30B of another wireless telephone 20B.

When a preset operation such as input of a destination dial number, redial selection, or destination selection in the phone book is performed on the base unit 30B while the wireless handset 40A is erroneously placed on the base unit 30B, The base unit control unit 39 of the base unit 30B detects this preset operation via the key input unit 35, and transmits it from the extension I / F unit 31 to the main apparatus 10 via the extension transmission path 17 (step 100). In response to this, the call control means 15A of the main apparatus 10 manages that the master unit 30B is in the preset transmission operation state using the call control information 16A of the storage unit 16.
Thereafter, when the wireless slave device 40A is picked up from the master device 30B, the electrical connection between the charging terminal 37A of the master device 30B and the charging terminal 44A of the wireless slave device 40A is disconnected, and the charging operation is stopped (step 101). .

The base unit control unit 39 of the base unit 30B detects the picking up of the wireless slave unit 40 by the placement detection unit 38 based on the stop of the charging operation for the arbitrary radio slave unit 40 (40A) that has been placed (step S40). 102).
Then, the base unit control unit 39 transmits the pick-up of the wireless slave unit 40 detected by the placement detection unit 38, that is, the slave unit off-hook, from the extension I / F unit 31 to the main apparatus 10 via the extension transmission path 17 ( Step 103).

On the other hand, the wireless slave device control unit 49 of the wireless slave device 40A detects the pick-up from the arbitrary parent device 30 by the state detection unit 45 based on the stop of the charging operation of the arbitrary parent device 30 (30B) (step 104). .
Then, the wireless slave device control unit 49 transmits the pick-up from any parent device 30 detected by the state detection unit 45, that is, the slave device off-hook, from the wireless I / F unit 41 to the parent device 30A via the wireless line (step). 105).
The base unit control unit 39 of the base unit 30A receives the slave unit off-hook via the wireless I / F unit 32 and transmits it from the extension I / F unit 31 to the main apparatus 10 via the extension transmission path 17 (step 106). ).

  The call control means 15A of the control unit 15 refers to the placement management information 16B in the storage unit 16 in response to the reception of the slave unit off-hook, and confirms the placement relationship between the master unit 30B and the wireless slave unit 40A (step 110). ). Here, when it is confirmed that these are in an incorrect placement relationship (step 110: YES), the operation state of the parent device 30B is confirmed with reference to the call control information 16A in the storage unit 16, and the parent device 30B. It is determined that the call control related to the preset dial operation needs to be switched, and the base unit 30A of the radio telephone 20A to which the picked-up radio handset 40A belongs is determined as the call control switching destination (step 111).

  In parallel with this, the call control means 15A captures a free outside line from the telephone line 11, and as a preset transmission operation in the main unit 30A, transmits a call to a destination designated by a preset operation from the main unit 30B. (Step 112) and instructing the parent machine 30B to cancel the preset operation state via the extension I / F unit 13 (step 113).

Next, the call control means 15A confirms the call path of the idle master unit 30A based on the call control information 16A in the storage unit 16, controls the switch 14, and uses the external line and the master unit 30A used for the preset transmission operation. And a transition to a call state using the wireless slave unit 40A is instructed to the master unit 30A via the extension I / F unit 13 (step 114).
As a result, the external line preset transmitted by the master unit 30B is connected to the wireless slave unit 40A via the master unit 30A, and the call to the other party selected by the preset operation and further the call is performed by the radio slave unit 40A. (Step 115).

  As described above, when the wireless slave unit 40A belonging to the radio telephone 20A different from the master unit 30B is picked up from the master unit 30B that is performing the outgoing call operation, the incoming call operation, or the line acquisition, the call control unit 15A of the main apparatus 10 Since the operation of the master unit 30B is canceled and the operation is continued by the master unit 30A belonging to the same radio telephone 20A as the radio slave unit 40A, the regular radio slave unit 40B is taken up from the master unit 30B. The wireless slave unit 40A can realize the same operation as that of the wireless slave unit, and even if the wireless slave unit is erroneously placed on the base unit of a different wireless telephone, the user confusion caused by picking up the wireless slave unit Can be avoided.

  Therefore, since the call operation following the preset dial operation of the master unit 30B is continued in the master unit 30A of the radio slave unit 40A erroneously placed in the master unit 30B, the regular radio slave unit 40B is replaced by the preset dial operation. As in the case of picking up from the master unit 30B, the wireless slave unit 40A can make a call with the other party that originated by the preset dial operation of the master unit 30B, thereby avoiding confusion for the user.

Note that the incorrect placement confirmation and the switching destination determination in steps 110 and 111 may be determined until the outside line on which the preset transmission is performed is connected to the call path of the base unit. For example, the preset transmission in steps 112 and 113 is performed. Alternatively, after the preset operation release instruction, the incorrect placement confirmation and the switching destination determination in steps 110 and 111 may be performed.
In the present embodiment, the case where the telephone line 11 accommodated in the main apparatus 10 is used to make a call to the network side has been described as an example. However, the present invention is not limited to this and the extension I of the main apparatus 10 is not limited thereto. The present invention can also be applied to a case where an extension is transmitted to another radio telephone 20 connected to the / F unit 13.

Further, when the parent device 30A as the operation switching destination uses a call path by an on-hook call operation such as a hands-free function or a speaker receiving function, there is a case where there is no empty call path of the parent device 30A. In such a case, in step 114, a busy display may be indicated in place of the instruction to shift to the call state for the base unit 30A. Further, since the base unit 30B is connected to the preset outgoing call, it may be instructed to shift to an on-hook call operation such as a hands-free function or a speaker receiving function.
In addition, by providing a plurality of call paths in parallel between the main apparatus 10 and each parent device 30, the parent device 30A that is the operation switching destination can perform on-hook call operations such as a hands-free function and a speaker receiving function. Even when a call is being made, the wireless slave device 40A can be called using another idle call path of the master device 30A.

Next, the operation of the telephone system according to the second embodiment of the present invention will be described with reference to FIG. FIG. 6 is a sequence diagram showing the operation of the telephone system according to the second embodiment of the present invention.
In the first embodiment described above, the case where the preset dial function is used in the parent device in which the wireless slave device is erroneously mounted has been described as an example. However, in the present embodiment, the wireless slave device is erroneously mounted. The automatic call switching function for canceling the on-hook call state in the master unit and switching to the call in the wireless slave unit when the wireless slave unit is picked up will be described. In the following, it is assumed that the wireless slave device 40A constituting the wireless telephone 20A in a pair with the parent device 30A is erroneously placed on the parent device 30B of another wireless telephone 20B.

First, it is assumed that the base unit 30B in which the wireless handset 40A is erroneously placed is performing an on-hook call without using the wireless handset 40A by using a hands-free function or a speaker receiving function (step 130). ). At this time, the main apparatus 10 manages the call control information 16A in the storage unit 16 that the base unit 30B is in an on-hook call state.
In this operation state, when the wireless slave device 40A is picked up from the master device 30B (step 131), the master device control unit 39 of the master device 30B charges the arbitrary wireless slave device 40 (40A) that has been placed. Based on the stop of the operation, the placement detector 38 detects picking up of the wireless slave device 40 (step 132). Then, the base unit control unit 39 transmits the pick-up of the wireless slave unit 40 detected by the placement detection unit 38, that is, the slave unit off-hook, from the extension I / F unit 31 to the main apparatus 10 via the extension transmission path 17 ( Step 133).

On the other hand, the wireless slave device controller 49 of the wireless slave device 40A detects the stop of the charging operation of the arbitrary parent device 30 (30B) as an off-hook by the state detector 45 (step 134).
Then, the wireless slave device control unit 49 transmits the pick-up from any parent device 30 detected by the state detection unit 45, that is, the child device off-hook, from the wireless I / F unit 41 to the parent device 30A via the wireless line ( Step 135).
The base unit control unit 39 of the base unit 30A receives the slave unit off-hook via the wireless I / F unit 32 and transmits it from the extension I / F unit 31 to the main apparatus 10 via the extension transmission path 17 (step 136). ).

  The call control means 15A of the main apparatus 10 refers to the placement management information 16B in the storage unit 16 in response to the reception of the slave unit off-hook, and confirms the placement relationship between the master unit 30B and the wireless slave unit 40A (step 140). ). Here, when it is confirmed that these are in an incorrect placement relationship (step 140: YES), the operation state of the parent device 30B is confirmed with reference to the call control information 16A in the storage unit 16, and the parent device 30B. It is determined that it is necessary to switch the call control related to the on-hook call operation, and the base unit 30A of the radio telephone 20A to which the picked-up radio handset 40A belongs is determined as the call control switching destination (step 141).

Next, the call control unit 15A confirms the call path of the idle base unit 30A based on the call control information 16A in the storage unit 16, and cancels the on-hook call to the base unit 30B via the extension I / F unit 13. (Step 142).
Then, the master unit 30B is instructed to release the call path via the extension I / F unit 13 (step 143), and the master unit 30A is instructed to shift to the call state via the extension I / F unit 13 ( In step 144), the switch 14 is controlled to switch the external line used by the base unit 30B for the on-hook call from the call path of the base unit 30B to the call path of the base unit 30A (step 145).

As a result, the outside line that has been on-hook on the base unit 30B is connected to the wireless slave unit 40A via the master unit 30A, and the telephone conversation with the partner is resumed on the wireless slave unit 40A. (Step 146).
As described above, the automatic call switching operation in the parent device 30B is also continued in the parent device 30A of the wireless child device 40A erroneously placed in the parent device 30B. Similarly to the case where 40B is picked up from the parent device 30B, the wireless slave device 40A can make a call with the other party of the on-hook call of the parent device 30B.

Further, when the parent device 30A as the operation switching destination uses a call path by an on-hook call operation such as a hands-free function or a speaker receiving function, there is a case where there is no empty call path of the parent device 30A. In such a case, in step 144, a busy display such as the transmission of a busy tone may be instructed in place of the instruction to shift to the call state for the base unit 30A. Further, with respect to base unit 30B, the on-hook call operation may be continued without performing the on-hook call release or call path release instruction in steps 142 and 143.
In addition, by providing a plurality of call paths in parallel between the main apparatus 10 and each parent device 30, the parent device 30A that is the operation switching destination can perform on-hook call operations such as a hands-free function and a speaker receiving function. Even when a call is being made, the wireless slave device 40A can be called using another idle call path of the master device 30A.

Further, in the present embodiment, the case where an outside line call is made using the telephone line 11 accommodated in the main apparatus 10 has been described as an example, but the present invention is not limited to this, and the extension I of the main apparatus 10 The present invention can also be applied to a case where an extension call is made with another wireless telephone 20 connected to the / F unit 13.
In the present embodiment, the case where an on-hook call is being performed in base unit 30B has been described as an example. However, a state in which an external line that is not connected to the other party is captured, for example, a state in which an external line is only captured. Even in a state in which a dial signal is being sent to the captured outside line, a state in which the other party is being called, etc., the call can be switched in the same manner as described above. Therefore, the present embodiment can be applied in any state as long as it is in an on-hook line capture state, that is, in a state where an outside line or an extension line is captured in the on-hook state.

Next, the operation of the telephone system according to the third embodiment of the present invention will be described with reference to FIG. FIG. 7 is a sequence diagram showing the operation of the telephone system according to the third embodiment of the present invention.
In the first embodiment described above, the case where the preset dial function is used in the master unit in which the wireless slave device is erroneously mounted will be described as an example. In the second embodiment, the wireless slave device is erroneously described. The case where the automatic call switching function is used in the base unit installed has been described. In the present embodiment, an automatic incoming call response function for responding to an incoming call to the parent device by the wireless child device triggered by picking up the erroneously placed wireless child device will be described. In the following, it is assumed that the wireless slave device 40A constituting the wireless telephone 20A in a pair with the parent device 30A is erroneously placed on the parent device 30B of another wireless telephone 20B.

When an incoming call occurs from the telephone line 11 to the parent device 30B (wireless telephone 20B) in a state where the wireless child device 40A is erroneously placed on the parent device 30B, the call control means 15A of the main device 10 causes the extension I / F The incoming call is notified to base unit 30B via unit 13 (step 160). At this time, the main apparatus 10 manages that the base unit 30B is in an incoming state by the call control information 16A in the storage unit 16.
Base unit control unit 39 of base unit 30B receives the incoming call notification from main apparatus 10 via extension I / F unit 31 and controls voice processing unit 33 and display unit 34 to display the incoming call (step 161). ).

  In response to this incoming call display, when the wireless slave device 40A erroneously placed is picked up from the master device 30B (step 162), the master device control unit 39 of the master device 30B causes any wireless device that has been placed. Based on the stop of the charging operation for the slave unit 40 (40A), the placement detection unit 38 detects picking up of the wireless slave unit 40 (step 163). Then, the base unit control unit 39 transmits the pick-up of the wireless slave unit 40 detected by the placement detection unit 38, that is, the slave unit off-hook, from the extension I / F unit 31 to the main apparatus 10 via the extension transmission path 17 ( Step 164).

On the other hand, the wireless slave device control unit 49 of the wireless slave device 40A detects the stop of the charging operation of any parent device 30 (30B) as an off-hook by the state detection unit 45 (step 165).
Then, the wireless slave device control unit 49 transmits the pick-up from any parent device 30 detected by the state detection unit 45, that is, the child device off-hook, from the wireless I / F unit 41 to the parent device 30A via the wireless line ( Step 166).
The base unit control unit 39 of the base unit 30A receives the slave unit off-hook via the wireless I / F unit 32 and transmits it from the extension I / F unit 31 to the main device 10 via the extension transmission path 17 (step 167). ).

  The call control means 15A of the main apparatus 10 refers to the placement management information 16B in the storage unit 16 in response to the reception of the slave unit off-hook, and confirms the placement relationship between the master unit 30B and the wireless slave unit 40A (step 170). ). Here, when it is confirmed that these are in an incorrect placement relationship (step 170: YES), the operation state of the parent device 30B is confirmed with reference to the call control information 16A in the storage unit 16, and the parent device 30B. It is determined that switching of call control related to the incoming call response operation is necessary, and the base unit 30A of the radio telephone 20A to which the picked-up radio handset 40A belongs is determined as the call control switching destination (step 171).

Next, the call control means 15A confirms the call path of the idle master unit 30A based on the call control information 16A in the storage unit 16, and stops the incoming call display to the master unit 30B via the extension I / F unit 13. (Step 172).
Then, the base station 30A is instructed to shift to the call state via the extension I / F unit 13 (step 173), and the outside line I / F unit 12 is controlled to respond to the telephone line 11 where the incoming call is detected. Then, the switch 14 is controlled to connect the telephone line 11 to the call path of the base unit 30A (step 174).

As a result, call control for incoming calls to the parent device 30B (wireless telephone 20B) is switched to the wireless child device 40A via the parent device 30A, and a call with that partner is performed by the wireless child device 40A. (Step 175).
As described above, since the incoming call automatic response operation in the parent device 30B is also continued in the parent device 30A of the wireless slave device 40A erroneously placed in the parent device 30B, the regular wireless slave device is used in the incoming call automatic response operation. Similarly to the case where 40B is picked up from the parent device 30B, the wireless slave device 40A can make a call with the destination of the incoming call to the parent device 30B, and the user's confusion can be avoided.

  In addition, when the parent device 30A that is the switching destination of the operation uses a call path by an on-hook call operation such as a hands-free function or a speaker receiving function, the parent device 30A may not have an empty call path. In such a case, in step 173, a busy display such as sending a busy tone may be instructed in place of the instruction to shift to the call state for the base unit 30A. In addition, for base unit 30B, the incoming call operation may be continued without giving an instruction to stop the incoming call in step 172, and an instruction to shift to an on-hook call operation such as a hands-free function or a speaker receiving function is given. You may make it respond to.

In addition, by providing a plurality of call paths in parallel between the main apparatus 10 and each parent device 30, the parent device 30A that is the operation switching destination can perform on-hook call operations such as a hands-free function and a speaker receiving function. Even when a call is being made, the wireless slave device 40A can be called using another idle call path of the master device 30A.
In the present embodiment, an incoming call from the telephone line 11 accommodated in the main apparatus 10 has been described as an example. However, the present invention is not limited to this, and the extension I / F unit 13 of the main apparatus 10 is not limited to this. The present invention can also be applied to extension incoming calls from other connected wireless telephones 20.

Next, a specific example of erroneous placement determination will be described with reference to FIG. FIG. 8 is an explanatory diagram showing a specific example of erroneous placement determination. Here, a case where the wireless slave device 40A is erroneously placed on the master device 30B will be described as an example.
When the wireless slave device 40A is picked up from the master device 30B, as described above, the placement detection unit 38 of the master device 30B detects picking up of the wireless slave device 40 (40A), and the master device control unit 39 detects the main device. 10 is notified of the handset off-hook.
The control unit 15 of the main device 10 receives the off-hook notification at time T1, starts a monitoring timer that measures a predetermined allowable time difference tm at the reception timing (confirmation timing), and sets the wireless device corresponding to the off-hook notification. The time difference until the reception timing of the off-hook notification from the machine is determined.

On the other hand, the state detection unit 45 of the wireless slave device 40A also detects picking up from the master device 30 (30B), and the slave device control unit 49 of the wireless slave device 40A transmits the slave device to the main device 10 via the master device 30A. Off-hook is notified.
The control unit 15 of the main apparatus 10 receives the on-hook notification from the wireless slave device 40A at time T2. At this time, if the monitoring timer started in response to the off-hook notification from the base unit 30B is operating, and thereafter the monitoring timer ends its operation at time T3, the determination unit 15B determines that the off-hook from the base unit 30B. The placement relationship is determined based on the off-hook notification from any wireless slave unit received during the operation of the monitoring timer started in response to the notification.

In the case of FIG. 8, since the off-hook notification is received from the wireless slave device 40A during the operation of the monitoring timer, the time difference between the reception timings of the off-hook notifications received from the master device 30B and the wireless slave device 40A is within the allowable time difference. It is determined that the detected information indicates an (identical) operation or control operation, and it is determined that the wireless slave device 40A is placed on the transmission source of these off-hook notifications, that is, the master device 30B. Then, this placement relationship is stored in the placement management information 16 </ b> B of the storage unit 16.
If an off-hook notification is received from the wireless slave device 40A after the monitoring timer has expired, the time difference between the reception timings of the off-hook notifications received from the master device 30B and the wireless slave device 40A is outside the allowable time difference, and the same operation is performed. Alternatively, it is determined that the notification is not an off-hook notification indicating a control operation, and it is determined that the transmission source of these off-hook notifications, that is, the parent device 30B and the wireless slave device 40A are not in a mounting relationship.

  In FIG. 8, the case where erroneous placement is determined based on the reception timing of the off-hook notification has been described as an example. However, on-hook notification that is notified when the wireless slave device is placed on the parent device instead of the off-hook notification. The erroneous placement may be determined based on the reception timing, and any other placement may be determined in the same manner as long as the notification indicates a common (same) operation or control operation for the master unit and the wireless slave unit.

  Further, the erroneous placement determination by the determination unit 15B is not limited to the determination method based on the reception timing of these notifications. For example, a common (same) operation or control operation is performed on the master unit and the wireless slave unit. Other determinations such as the time information indicating the timing performed are detected by the master unit and the wireless slave unit, notified to the main unit, and the timing difference indicated by the time information is compared with the allowable time difference. A method may be applied.

It is a block diagram which shows the structure of the telephone system concerning one embodiment of this invention. It is a block diagram which shows the structure of a main | base station. It is a block diagram which shows the structure of a wireless subunit | mobile_unit. It is the example of a structure of mounting management information, and an incorrect mounting example. It is a sequence diagram which shows operation | movement of the telephone system concerning the 1st Embodiment of this invention. It is a sequence diagram which shows operation | movement of the telephone system concerning the 2nd Embodiment of this Embodiment. It is a sequence diagram which shows operation | movement of the telephone system concerning the 3rd Embodiment. It is a sequence diagram which shows the specific example of incorrect mounting determination.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Main apparatus, 11 ... Telephone line, 12 ... External line I / F part, 13 ... Extension I / F part, 14 ... Switch, 15 ... Control part, 15A ... Call control means, 15B ... Determination means, 16 ... Storage part , 16A ... call control information, 16B ... placement management information, 17 ... extension transmission path, 20, 20A, 20B, ..., 20N ... radio telephones, 30, 30A, 30B, ..., 30N ... master unit, 31 ... extension I / F unit, 32 ... Wireless I / F unit, 33 ... Audio processing unit, 34 ... Display unit, 35 ... Key input unit, 36 ... Storage unit, 37 ... Power feeding unit, 37 A ... Charging terminal, 38 ... Placement detection unit 39 ... Master unit control unit, 40, 40A, 40B, ..., 40N ... Wireless slave unit, 41 ... Wireless I / F unit, 42 ... Audio processing unit, 43 ... Battery, 44 ... Charging unit, 44A ... Charging terminal, 45... State detection unit 46. Storage unit 47. Display unit 48. Key input unit 49. Breech machine control unit.

Claims (3)

A wireless device comprising a main device connected to a telephone line and a plurality of extension telephones connected to the main device, and connected to the parent device via a wireless line and a parent device connected to the main device In a telephone system using a wireless telephone set of the wireless telephone set provided in the parent machine as the extension telephone,
When the main unit picks up a radio slave unit belonging to a radio telephone different from the master unit from a master unit in at least one of the transmission operation state, the incoming operation state, and the line capture state, the master unit A telephone system comprising: call control means for canceling the operation state of the mobile phone and for causing the parent device paired with the wireless slave device to shift to the operation state. The telephone system according to claim 1, wherein
The main apparatus further includes a determination unit that determines erroneous placement of a wireless slave device with respect to a master device belonging to a different wireless telephone based on a notification from the master device and the wireless slave device. Phone system. The telephone system according to claim 1, wherein
2. The telephone system according to claim 1, wherein the calling operation includes any of operations performed from dial input or destination selection performed before line supplementation to calling of the destination.

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