JP2014120969A - Telephone control device and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily operate a reservation call of a telephone control device from a radio terminal.SOLUTION: In response to a reservation instruction from a radio terminal 30, a call control unit 14B reserves a communication channel with an opposite terminal 40, and also disconnects a voice communication channel with the radio terminal 30. Using a data communication channel, a radio terminal control unit 14A instructs the radio terminal 30 to display a reservation call operation screen, having a disposed operation button to notify a telephone control device 10 of a reservation call operation request indicative of the content of the operation, on the basis of each operation to the reservation call, from the radio terminal 30 using the data communication channel, as an operation screen to perform a variety of operations to the reservation communication channel reserved by the radio terminal 30.

Description

  The present invention relates to a telephone control technique, and more particularly to a call control technique for operating a held call line held by a telephone control apparatus from a wireless terminal accommodated in the telephone control apparatus.

  Conventionally, in a telephone system such as a business phone or a PBX system, a telephone control device including a main device or a PBX is connected to a wireless terminal such as a smartphone or a mobile phone via a wireless communication network, and the extension terminal is connected to the wireless terminal. Has been proposed (see, for example, Patent Document 1).

JP 2002-101437 A

  In such a conventional telephone system, when an extension terminal holds a call with a partner terminal connected via the telephone network, the status of the held call is switched from the extension terminal for the held call, Can be transferred to other extension terminals.

  Main hold states in a general telephone system include self hold, system hold, and park hold. Self-hold is a hold state in which only the extension terminal that performed the hold operation can release the hold. The system hold is a hold state in which any extension terminal can release the hold. The park hold state is a hold state in which hold / hold release can be performed only at an extension terminal to which a specific function key called a park hold key is assigned.

  In addition, main hold transfer functions in a general telephone system include a call transfer function and a forced transfer function. The call transfer function is a function that performs a hold operation on an extension terminal, calls the transfer destination terminal to make a call with the transfer destination, releases the hold call in response to disconnection of the call, and connects to the transfer destination terminal. is there. The forced transfer function is a function for calling a transfer destination terminal after performing a hold operation at an extension terminal, releasing the hold call in accordance with a response from the transfer destination partner, and connecting to the transfer destination terminal.

  Therefore, in the telephone system according to the prior art, an operation for a hold call performed at such an extension terminal can be provided also to a wireless terminal connected to the telephone control device. In this case, a hold from the wireless terminal is provided. As a method for notifying the telephone control device of an operation related to a call, a PB signal is used as in the case of the hold operation.

  For example, when a call to a partner terminal is put on hold by the telephone control device in a state where the wireless terminal is talking to the partner terminal connected to the telephone control device via the telephone network and the telephone control device, A dial operation “# 2” is performed at the terminal, and a PB signal “# 2” is transmitted to the communication line with the partner terminal. The telephone control device constantly monitors the PB signal on the voice communication line of the wireless terminal in the call state, and when the PB signal “# 2” is detected, the call with the other terminal is set to the default hold state, for example. The self-hold state is set in advance.

Thereafter, when the wireless terminal switches the hold state to the system hold, the dial control “# 1” associated with the system hold operation is performed, and the telephone control device A PB signal “# 1” is transmitted to the telephone line that is maintained in connection. In response to this, the telephone control device switches the held call state held by the wireless terminal to the system hold state.
In addition, a dial operation associated with each operation is performed for the switching operation to self-hold or park hold, the call transfer operation, the forced transfer operation, and the hold release operation.

  However, there are six types of dial operations for the on-hold call held by such a telephone control device, and the number of types of dial operations corresponding to the number of call control functions for the on-hold call. Will be provided. For this reason, there is a problem that the user of the wireless terminal cannot easily remember the correspondence relationship between the operation for the held call and the dial operation, cannot operate the held call smoothly, and is difficult for the user to use.

  The present invention has been made to solve such problems, and it is an object of the present invention to provide a call control technique capable of easily operating a call held by a telephone control device from a wireless terminal connected to the telephone control device. .

  In order to achieve such an object, a telephone control device according to the present invention provides a telephone control for connecting a wireless terminal connected via a wireless communication network to any one of a plurality of telephone lines connected to the telephone network. A network I / F unit that establishes a data communication line and a voice communication line with the wireless terminal via the wireless communication network, and is communicating with a partner terminal via the call line In response to the PB signal instructing the hold notified from the wireless terminal via the voice communication line, the call control unit holds the call line and disconnects the voice communication line with the wireless terminal; As an operation screen for performing various operations on the hold call line held by the wireless terminal to the wireless terminal using a data communication line, a hold call operation request indicating the content of the operation is indicated for each operation on the hold call. And a wireless terminal control unit the operation button for notifying to the telephone controller signals the display of the held call operation screen which is disposed from the radio terminal using the data communication line a.

  Also, in one configuration example of the telephone control device according to the present invention, the wireless terminal control unit indicates a transfer destination indicating the call transfer destination in response to the hold call operation request for requesting a call transfer from the wireless terminal. The telephone number is acquired from the hold call operation request, and the call control unit, when a call is made from the wireless terminal that is the request source of the hold call operation request using the voice communication line, Calling the transfer destination terminal based on the transfer destination telephone number acquired by the control unit, automatically responding to the call from the wireless terminal according to the response from the transfer destination terminal, and the voice communication line of the wireless terminal The relay line is connected to the call line of the transfer destination terminal, and the hold of the hold call line is released in response to the disconnection of the call between the radio terminal and the transfer destination terminal, and the call line of the transfer destination terminal Relay connection In which was to so that.

  Also, in one configuration example of the telephone control device according to the present invention, the wireless terminal control unit indicates a transfer destination indicating the forced transfer destination in response to the hold call operation request for requesting the forced transfer from the wireless terminal. The telephone number is acquired from the hold call operation request, and the call control unit calls the transfer destination terminal based on the transfer destination telephone number acquired by the wireless terminal control unit, and responds to a response from the transfer destination terminal. Then, the hold on the hold call line is released, and the call connection of the transfer destination terminal is relay-connected.

  Further, the program according to the present invention is a program for causing a computer to function as each unit constituting any one of the above-described telephone control devices.

  According to the present invention, when a hold operation is performed during a call on the wireless terminal, a hold call operation screen for performing various operations on the hold call line held by the telephone control device is displayed. By simply operating the operation buttons on the operation screen, various operations for hold calls such as self-hold, system hold, park hold switching operation, call transfer operation, forced transfer operation, hold release operation, etc. Can be selected and operated very easily.

It is a block diagram which shows the structure of the telephone control apparatus concerning 1st Embodiment. It is a structural example of the status data which shows the line state of a telephone line. It is a structural example of the setting data regarding a wireless terminal. It is a structural example of a hold call operation screen. It is a block diagram which shows the structure of the radio | wireless terminal concerning 1st Embodiment. It is a sequence diagram which shows operation | movement of the telephone control apparatus concerning 1st Embodiment, and a radio | wireless terminal. It is a sequence diagram which shows operation | movement of the telephone control apparatus and radio | wireless terminal concerning 2nd Embodiment. It is a sequence diagram which shows operation | movement of the telephone control apparatus and radio | wireless terminal concerning 3rd Embodiment. It is a sequence diagram which shows operation | movement of the telephone control apparatus and radio | wireless terminal concerning 4th Embodiment. It is a sequence diagram which shows operation | movement of the telephone control apparatus and radio | wireless terminal concerning 5th Embodiment.

Next, embodiments of the present invention will be described with reference to the drawings.
[First Embodiment]
First, a telephone control device 10 according to a first embodiment of the present invention will be described with reference to FIG. FIG. 1 is a block diagram illustrating a configuration of the telephone control device according to the first embodiment.
The telephone control device 10 includes a telephone control device used as a main device or PBX in a telephone system 1 such as a business phone or a PBX system, and is connected to the telephone network NW1 via a line L1 and wirelessly via a line L2. It has a function of switching and connecting a plurality of extension terminals 20 connected to the communication network NW2 via the extension line 21 to the lines L1 and L2.

  The telephone network NW1 includes a general telephone network such as a PSTN (Public Switched Telephone Network), an ISDN (Integrated Services Digital Network), and an IP telephone network. The counterpart terminal 40 is a general terminal connected to the telephone network NW1.

  The wireless communication network NW2 includes a mobile communication network such as 3G (3rd Generation), a general wireless communication network such as Wi-Fi (Wireless Fidelity) using a wireless LAN, and WiMAX (Worldwide Interoperability for Microwave Access). The wireless terminal 30 is a general wireless telephone terminal such as a smartphone or a mobile phone connected to the wireless communication network NW2, and a data communication line and a voice are communicated with the telephone control device 10 via the wireless communication network NW2. Establish each communication line.

[Telephone control device]
The telephone control device 10 is provided with a network I / F unit 11, an extension I / F unit 12, a storage unit 13, and a control unit 14 as main functional units.

  The network I / F unit 11 is composed of a communication interface circuit, and has a function of exchanging various call control messages such as an incoming call notification with the telephone network NW1 via the line L1, and a line L1 and the telephone network NW1. A function for exchanging call voice with the counterpart terminal 40, a function for exchanging various call control messages such as a call request with the wireless communication network NW2 via the line L2, and a line L2 and the wireless communication network NW2. Establish a data communication line with the wireless terminal 30 to perform data communication, and establish a voice communication line with the wireless terminal 30 via the line L2 and the wireless communication network NW2 to exchange call voice. It has the function to do.

At this time, it is assumed that the line L1 includes one or more telephone lines, and these telephone lines may be analog telephone lines or digital lines such as IP lines or ISDN lines.
As for the line L2, when the voice communication line is configured by analog communication, the line L2 may be configured by an analog telephone line for the voice communication line and an IP line for the data communication line. If the voice communication line is constituted by digital communication, the data communication line and the voice communication line can be constituted by a single line L2 composed of a digital line such as an IP line or an ISDN line. Further, the network I / F unit 11 is provided with a wireless communication function to form a line L2 with a wireless line directly connected to the wireless communication network NW2, and, similar to the wireless terminal 30, the data communication line and the voice communication line are connected to the line L2. You may make it establish by.

  The extension I / F unit 12 includes a dedicated communication circuit, and has a function of exchanging data such as a call control message such as an incoming call notification and a call voice with the extension terminal 20 via the extension line 21. Yes.

The storage unit 13 includes a storage device such as a hard disk or a semiconductor memory, and has a function of storing processing data and a program 13P used for control processing in the control unit 14.
The program 13P is a program that implements various processing units by being read and executed by the CPU of the control unit 14.
The main processing data stored in the storage unit 13 is call control data 13A. The call control data 13A includes status data indicating various operation states, setting data indicating various setting contents, and the like for the lines L1 and L2, the extension terminal 20, and the wireless terminal 30.

FIG. 2 is a configuration example of status data indicating a line state of a telephone line. Here, for each line ID for identifying each call line accommodated in the telephone control device 10, various line states such as incoming call, outgoing call, call, hold, and empty are registered for the call line.
FIG. 3 is a configuration example of setting data regarding a wireless terminal. Here, for each terminal ID for identifying the wireless terminal 30, the wireless terminal telephone number of the wireless terminal 30 used on the voice communication line and the IP address of the wireless terminal 30 used on the data communication line are registered as a set. Has been.

The control unit 14 is composed of a computer having a CPU and its peripheral circuits, and implements various processing units by reading and executing the program 13P of the storage unit 13, and in addition to the telephone control device 10, the extension terminal 20 and wireless It has a function of controlling the operation of the terminal 30.
As main processing units realized by the control unit 14, there are a radio terminal control unit 14A and a call control unit 14B.

  The wireless terminal control unit 14A uses the data communication line to connect to the wireless terminal 30 based on the line state of the communication line registered in the call control data 13A of the storage unit 13 shown in FIG. And a function for instructing the radio terminal 30 to display a hold call operation screen for performing various operations on the hold call line held by the radio terminal 30 using the data communication line. .

  FIG. 4 is a configuration example of the hold call operation screen. Here, on the hold call operation screen, the line state of the hold call line held by the wireless terminal 30 is displayed, and operation buttons for hold call operation are arranged.

  In the example of FIG. 4, a system hold button for notifying the telephone control device 10 of a hold call operation request for switching the hold state of the hold call line to system hold as the operation button, and switching the hold state of the hold call line to self hold. A self-hold button for notifying the telephone control device 10 of a hold call operation request, a park hold button for notifying the phone control device 10 of a hold call operation request for switching the hold state of the hold call line to park hold, and a hold call line A call transfer button for notifying the telephone control device 10 of a hold call operation request for transferring the call to the desired transfer destination terminal, and a call control request for holding the call operation request for forcibly transferring the hold call line to the desired transfer destination terminal. There is a forced transfer button to notify the user.

  In the present embodiment, it is assumed that a communication line with the telephone network NW1 is used as a communication line that can be used by the wireless terminal 30, and the line state notified to the wireless terminal 30 is also a communication that can be used by the wireless terminal 30. A line state relating to a communication line with the line, that is, the telephone network NW1 is set. However, when the communication line with the wireless communication network NW2 is also a line that can be used by the wireless terminal 30, the state of the line related to the communication line with the wireless communication network NW2 is also transmitted to the wireless terminal 30. Just notify.

  The call control unit 14B performs call control of various operations such as outgoing call, incoming call, hold, and transfer by the extension terminal 20 using a telephone line accommodated in the telephone control device 10, and the state of the telephone line by these call controls. 2 has the function of updating the line state of the telephone line registered in the call control data 13A of the storage unit 13 shown in FIG.

[Wireless terminal]
Next, with reference to FIG. 5, the radio | wireless terminal 30 concerning this Embodiment is demonstrated. FIG. 5 is a block diagram of the configuration of the wireless terminal according to the first embodiment.
The wireless terminal 30 is composed of a general wireless telephone terminal such as a smartphone or a mobile phone as a whole, and includes a wireless I / F unit 31, a voice processing unit 32, a storage unit 33, a control unit 34, an operation unit as main functional units. An input unit 35 and a screen display unit 36 are provided.

The wireless I / F unit 31 includes an interface circuit for wireless communication, and has a function of establishing a data communication line and a voice communication line with the telephone control device 10 via the wireless communication network NW2. .
The audio processing unit 32 includes a speaker and a microphone, and has a function of decoding audio data received from the audio communication line by the wireless I / F unit 31 into an audio signal and outputting the audio signal from the speaker, and an audio signal input from the microphone. It has a function of encoding data and outputting it from the wireless I / F unit 31 to a voice communication line.

The storage unit 33 includes a storage device such as a semiconductor memory, and has a function of storing processing data and a program 33P used for control processing in the control unit 34.
The program 33P is a program that implements various processing units by being read and executed by the CPU of the control unit 34.

  The main processing data stored in the storage unit 33 is call control data 33A. The call control data 33A includes status data indicating the operating states of the lines L1 and L2 and the extension terminal 20, setting data indicating setting contents, and the like. The status data includes data indicating the line status of each telephone line accommodated in the telephone control device 10 as shown in FIG. This data is notified from the telephone control device 10 using the data communication line and stored in the storage unit 33.

The control unit 34 is composed of a computer having a CPU and its peripheral circuits, and has a function of controlling the operation of the wireless terminal 30 by realizing various processing units by reading and executing the program 33P of the storage unit 33. ing.
As main processing units realized by the control unit 34, there are a line control unit 34A and a call control unit 34B. Among these, the call control unit 34B is a basic function that is standardly provided as a call application in the general wireless terminal 30, but the line control unit 34A is not a basic function. For this reason, the line control unit 34A may be realized by an additional application added to the wireless terminal 30, and the program may be provided to the user.

The line control unit 34A uses a data communication line to display a hold call operation screen in response to an instruction from the telephone control device 10, and to an operation button on the hold call operation screen detected by the operation input unit 35. In response to the operation, the function of notifying the telephone control device 10 of a hold call operation request corresponding to the operation button using the data communication line is provided.
The call control unit 34B establishes a call path with the telephone control device 10 via a voice communication line, and realizes a voice call between the counterpart terminal 30 and the extension terminal 20 relay-connected by the telephone control device 10 have.

The operation input unit 35 includes a touch panel provided on the display screen of the screen display unit 36, operation symbols such as operation buttons displayed on the display screen, and operation input devices such as various operation switches. Is detected and output to the control unit 34.
The screen display unit 36 has a function of displaying various screens such as a hold call operation screen and a line status screen output from the control unit 34.

[Operation of First Embodiment]
Next, operations of the telephone control device 10 and the wireless terminal 30 according to the present embodiment will be described with reference to FIG. FIG. 6 is a sequence diagram illustrating operations of the telephone control device and the wireless terminal according to the first embodiment. In FIG. 6, regarding the exchange between the telephone control device 10 and the wireless terminal 30, the thin line indicates data communication using the data communication line, the thick solid line indicates voice communication using the voice communication line, and the thick broken line indicates voice. A call control message using a communication line is shown.
Here, a hold operation in which a hold call operation screen related to the hold call line is displayed on the wireless terminal 30 in response to a hold operation performed by the wireless terminal 30 during a call with the counterpart terminal 40 will be described.

  First, in a state where the wireless terminal 30 and the partner terminal 40 are talking via the telephone control device 10 (step 100), when a hold operation, for example, a dial operation “##” is performed on the wireless terminal 30 ( Step 101), PB signal “##” is transmitted from the wireless terminal 30 to the voice communication line (Step 102).

  When the network I / F unit 11 of the telephone control device 10 constantly monitors the PB signal on the voice communication line of the wireless terminal 30 in a call state and detects a PB signal “##” indicating a hold request, The call control unit 14B puts the call line with the partner terminal 40 on hold (step 103). As a result, a hold sound is sent to the counterpart terminal 40 from the network I / F unit 11 of the telephone control device 10 (step 104).

  When the network I / F unit 11 detects a PB signal “##” indicating a hold request, the call control unit 14B disconnects from the network I / F unit 11 to the wireless terminal 30 using a voice communication line. Notification is made (step 105). As a result, the voice communication line with the wireless terminal 30 is disconnected, and the call operation of the wireless terminal 30 ends.

Thereafter, the wireless terminal control unit 14A notifies the wireless terminal 30 of a line state change notification indicating the change of the line state using the data communication line (step 110).
The line control unit 34 </ b> A of the wireless terminal 30 responds to the line state change notification from the telephone control device 10 received via the wireless I / F unit 31, and the line state regarding each telephone line accommodated in the telephone control device 10. Is notified from the wireless I / F unit 31 to the telephone control device 10 via the data communication line (step 111).

The wireless terminal control unit 14A of the telephone control device 10 receives each line call from the call control data 13A of the storage unit 13 when the network I / F unit 11 receives a line state request from the wireless terminal 30 via the data communication line. The line status relating to the line is acquired, the network I / F unit 11 notifies the radio terminal 30 of the line status using the data communication line, and the call on hold for performing various operations on the hold call line held by the radio terminal 30 The display of the operation screen is instructed (step 112).
In response to the line state notification from the telephone control apparatus 10 received via the wireless I / F unit 31, the line control unit 34A of the wireless terminal 30 displays a hold call operation screen as shown in FIG. Is displayed (step 113).

At this time, as for the hold call operation screen, screen data registered in advance in the storage unit 33 of the wireless terminal 30 may be read and displayed on the screen display unit 36, or notified by a line status notification from the telephone control device 10. The screen data thus displayed may be displayed on the screen display unit 36.
In addition, in the hold call operation screen of FIG. 4, only the line state related to the hold call line notified by the line state notification is displayed, but in addition to this, the line state related to other lines may be displayed.

[Effect of the first embodiment]
As described above, according to the present embodiment, the call control unit 14B holds the call line with the counterpart terminal 40 and disconnects the voice communication line with the radio terminal 30 in response to the hold instruction from the radio terminal 30. Then, the wireless terminal control unit 14A uses the data communication line as an operation screen for performing various operations on the hold call line held by the wireless terminal 30 to the wireless terminal 30 for each operation on the held call. Is instructed to display a hold call operation screen on which operation buttons for notifying the telephone control device 10 of a hold call operation request indicating the content of the hold call are displayed from the wireless terminal 30 using the data communication line.

  Thereby, in the wireless terminal 30, when a hold operation is performed during a call, a hold call operation screen for performing various operations on the hold call line held by the telephone control device 10 is displayed. By simply operating the operation buttons placed on the phone, you can perform various operations on hold calls, such as switching operation of hold status such as self hold, system hold, park hold, call transfer operation, forced transfer operation, and hold release operation. A selection operation can be easily performed.

Generally, in a wireless terminal 30 such as a smartphone or a mobile phone, when a call is made, call information such as a call time is displayed on the screen until the call application is started and the call is ended. Therefore, even if the telephone control device 10 holds the call line with the partner terminal 40 and then instructs the wireless terminal 30 to display the hold call operation screen while maintaining the voice communication line with the wireless terminal 30, Since the call application screen is preferentially displayed on the wireless terminal 30, the call holding operation screen cannot be displayed.
The present invention pays attention to the fact that the call application is terminated in response to the termination of the call as the operation of the call application, and instructs the display of the hold call operation screen after disconnecting the voice communication line with the wireless terminal 30. As a result, the held call operation screen can be displayed smoothly.

[Second Embodiment]
Next, with reference to FIG. 7, a second embodiment according to the present invention will be described. FIG. 7 is a sequence diagram illustrating operations of the telephone control device and the wireless terminal according to the second embodiment. In FIG. 7, regarding the exchange between the telephone control device 10 and the wireless terminal 30, a thin line indicates data communication using a data communication line, a thick solid line indicates voice communication using a voice communication line, and a thick broken line indicates voice communication. A call control message using a communication line is shown.

  In the first embodiment, the operation from the hold operation on the wireless terminal 30 to the display of the hold call operation screen has been described. In the present embodiment, the operation when the call transfer button is operated on the hold call operation screen will be described.

  In the present embodiment, the wireless terminal control unit 14A acquires a transfer destination telephone number indicating the call transfer destination from the hold call operation request in response to the hold call operation request for requesting call transfer from the wireless terminal 30. It has a function.

Further, the call control unit 14B is a function group that realizes a call transfer function for a held call, and receives a voice from the wireless terminal 30 that is a request source of the held call operation request received by the network I / F unit 11 via the data communication line. When a call is made using a communication line, the wireless terminal control unit 14A calls a transfer destination terminal based on the transfer destination telephone number acquired from the hold call operation request, and a response from the transfer destination terminal And automatically responds to a call from the wireless terminal 30 and relay-connects the voice communication line of the wireless terminal 30 and the call line of the transfer destination terminal, and between the wireless terminal 30 and the transfer destination terminal. In response to the disconnection of the call, the hold call line is released from hold, and the hold call line and the call line of the transfer destination terminal are relay-connected.
Other configurations according to the present embodiment are the same as those of the first embodiment, and a detailed description thereof is omitted here.

As shown in FIG. 7, in the wireless terminal 30, when the call input button operation is detected by the operation input unit 35 while the hold call operation screen is displayed by the screen display unit 36 (step 200), the line The control unit 34A notifies the telephone control device 10 via the data communication line of a hold call operation request for transferring the call on the hold call line to a desired transfer destination terminal (step 201).
At this time, for example, after the call transfer button is operated, the line control unit 34A displays an input screen for inputting the transfer destination telephone number indicating the call transfer destination on the screen display unit 36, and is acquired by the operation input unit 35. The transfer destination telephone number is included in the hold call operation request and notified to the telephone control device 10.

  The wireless terminal control unit 14A of the telephone control device 10 acquires a transfer destination telephone number indicating the call transfer destination from the hold call operation request in response to the hold call operation request for requesting call transfer from the wireless terminal 30 ( Step 202), the request acceptance is returned via the data communication line (Step 203).

  In response to receiving a request from the telephone control device 10, the line control unit 34A of the wireless terminal 30 instructs the call control unit 34B to call the telephone control device 10 using a voice communication line, and the call control unit 34B. In response to a call instruction from the line control unit 34A, the radio I / F unit 31 calls the telephone control device 10 using a voice communication line (step 210).

  When there is a call from the wireless terminal 30 via the network I / F unit 11, the call control unit 14B of the telephone control device 10 transfers the transfer acquired by the wireless terminal control unit 14A from the hold call operation request of the wireless terminal 30 The transfer destination terminal is called based on the destination telephone number (step 211). In FIG. 7, a case where the transfer destination telephone number is an extension number indicating the extension terminal 20 is shown as an example, and the extension terminal 20 which is the transfer destination terminal is called based on the transfer destination telephone number.

  In response to this call, the extension terminal 20 performs a response operation (step 212), and when the response is notified from the extension terminal 20 (step 213), the call control unit 14B automatically responds to the call from the wireless terminal 30 ( Step 214), the voice communication line of the wireless terminal 30 and the call line of the extension terminal 20 are relay-connected. As a result, the communication path of the wireless terminal 30 and the communication path of the extension terminal 20 are connected, and a call between the wireless terminal 30 and the partner terminal 40 is started (step 215). From the user to the user of the partner terminal 40.

  Thereafter, in the wireless terminal 30, when a call termination operation is detected by the operation input unit 35 (step 220), the call control unit 34 </ b> B transfers from the wireless I / F unit 31 to the telephone control device 10 using a voice communication line. Disconnection is notified (step 221).

  The call control unit 14B of the telephone control device 10 releases the hold of the hold call line related to the radio terminal 30 in response to the disconnection of the call between the radio terminal 30 and the extension terminal 20 (step 222), and the extension terminal 20 Connect to the other telephone line. As a result, the communication path of the partner terminal 40 and the communication path of the extension terminal 20 are connected, and a call between the partner terminal 40 and the extension terminal 20 is started (step 223).

[Effect of the second embodiment]
As described above, in this embodiment, the call control unit 14B uses the voice communication line from the wireless terminal 30 that is the request source of the hold call operation request received by the network I / F unit 11 via the data communication line. When there is a call, the transfer destination terminal is called based on the transfer destination telephone number specified in the hold call operation request, and the call from the wireless terminal 30 is automatically answered according to the response at the transfer destination terminal. The voice communication line of the wireless terminal 30 and the call line of the transfer destination terminal are relay-connected, and the hold of the hold call line is released according to the disconnection of the call between the radio terminal 30 and the transfer destination terminal. Then, the hold call line and the call line of the transfer destination terminal are relay-connected.

  As a result, in response to a very simple operation such as an operation of a call transfer button on the hold call operation screen displayed on the wireless terminal 30, the counterpart terminal 40 held by the wireless terminal 30 through a call with the transfer destination terminal. Can be transferred to the transfer destination terminal.

[Third Embodiment]
Next, with reference to FIG. 8, the telephone control apparatus 10 concerning the 3rd Embodiment of this invention is demonstrated. FIG. 8 is a sequence diagram illustrating operations of the telephone control device and the wireless terminal according to the third embodiment. In FIG. 8, regarding the exchange between the telephone control device 10 and the wireless terminal 30, the thin line indicates data communication using the data communication line, the thick solid line indicates voice communication using the voice communication line, and the thick broken line indicates voice. A call control message using a communication line is shown.

  In the first embodiment, the operation from the hold operation on the wireless terminal 30 to the display of the hold call operation screen has been described. In this embodiment, the operation when the forced transfer button is operated on the hold call operation screen will be described.

  In the present embodiment, in response to the hold call operation request for requesting forced transfer from the wireless terminal 30, the wireless terminal control unit 14A acquires the transfer destination telephone number indicating the forced transfer destination from the hold call operation request. It has a function.

Further, the call control unit 14B is acquired by the wireless terminal control unit 14A from the hold call operation request received by the network I / F unit 11 through the data communication line as a function group for realizing the forced transfer function for the hold call. The function of calling the transfer destination terminal based on the transferred transfer destination telephone number, and releasing the hold of the hold call line in response to the response from the transfer destination terminal, and connecting the hold call line and the call line of the transfer destination terminal And a relay connection function.
Other configurations according to the present embodiment are the same as those of the first embodiment, and a detailed description thereof is omitted here.

As shown in FIG. 8, in the wireless terminal 30, when the operation input unit 35 detects the operation of the forced transfer button while the screen display unit 36 displays the hold call operation screen (step 300), The control unit 34A notifies the telephone control device 10 via the data communication line of a hold call operation request for forcibly transferring the hold call line to a desired transfer destination terminal (step 301).
At this time, for example, after the forced transfer button is operated, the line control unit 34A displays an input screen for inputting a transfer destination telephone number indicating the forced transfer destination on the screen display unit 36, and is acquired by the operation input unit 35. The transfer destination telephone number is included in the hold call operation request and notified to the telephone control device 10.

  The radio terminal control unit 14A of the telephone control device 10 acquires a transfer destination telephone number indicating the forcible transfer destination from the hold call operation request in response to the hold call operation request for requesting forced transfer from the radio terminal 30 ( Step 302), the request acceptance is returned via the data communication line (Step 303).

  Further, the call control unit 14B responds to the hold call operation request from the wireless terminal 30 based on the transfer destination telephone number acquired by the wireless terminal control unit 14A from the hold call operation request of the wireless terminal 30. A call is made (step 310). In FIG. 8, a case where the transfer destination telephone number is an extension number indicating the extension terminal 20 is shown as an example, and the extension terminal 20 which is the transfer destination terminal is called based on the transfer destination telephone number.

  In response to this call, the extension terminal 20 performs a response operation (step 311), and when a response is notified from the extension terminal 20 (step 312), the call control unit 14B holds the hold call line for the radio terminal 30 Is released (step 313) and relay connection is established with the telephone line of the extension terminal 20. As a result, the communication path of the partner terminal 40 and the communication path of the extension terminal 20 are connected, and a call between the partner terminal 40 and the extension terminal 20 is started (step 314).

[Effect of the third embodiment]
As described above, in this embodiment, the call control unit 14B receives the transfer destination telephone number acquired by the wireless terminal control unit 14A from the hold call operation request received by the network I / F unit 11 via the data communication line. Based on the above, the transfer destination terminal is called, and the hold call line is released from the hold in response to a response from the transfer destination terminal, and is relay-connected to the call line of the transfer destination terminal.

  As a result, in response to a very simple operation such as the operation of the forced transfer button on the hold call operation screen displayed on the wireless terminal 30, the partner that the wireless terminal 30 has put on hold without passing a call with the transfer destination terminal. The held call of the terminal 40 can be transferred to the transfer destination terminal.

[Fourth Embodiment]
Next, with reference to FIG. 9, the telephone control apparatus 10 concerning the 4th Embodiment of this invention is demonstrated. FIG. 9 is a sequence diagram illustrating operations of the telephone control device and the wireless terminal according to the fourth embodiment. In FIG. 9, regarding the exchange between the telephone control device 10 and the wireless terminal 30, the thin line indicates data communication using the data communication line, the bold solid line indicates voice communication using the voice communication line, and the thick broken line indicates voice. A call control message using a communication line is shown.

  In the first embodiment, the operation from the hold operation on the wireless terminal 30 to the display of the hold call operation screen has been described. In this embodiment, the operation when the system hold button is operated on the hold call operation screen will be described.

In the present embodiment, the wireless terminal control unit 14A sets the hold state of the hold call line held by the wireless terminal 30 in response to a hold call operation request for requesting switching from the wireless terminal 30 to system hold. It has a function of notifying the call control unit 14B of a system hold switching instruction for switching to a state.
The call control unit 14B has a function of switching the hold state of the hold call line held by the wireless terminal 30 to the system hold state in response to the system hold switching instruction from the wireless terminal control unit 14A.
Other configurations according to the present embodiment are the same as those of the first embodiment, and a detailed description thereof is omitted here.

  As shown in FIG. 9, in the wireless terminal 30, when an operation of the system hold button is detected by the operation input unit 35 in a state where the hold call operation screen is displayed by the screen display unit 36 (step 400) The control unit 34A notifies the telephone control device 10 of a hold call operation request for switching the hold call line to the system hold state via the data communication line (step 401).

  The wireless terminal control unit 14A returns a request acceptance via the data communication line in response to the hold call operation request for requesting switching from the wireless terminal 30 to the system hold (step 402), and the wireless terminal 30 holds the hold. The call control unit 14B is notified of a system hold switching instruction for switching the hold state of the held call line to the system hold state.

  The call control unit 14B switches the hold state of the hold call line held by the wireless terminal 30 to the system hold state in response to the system hold switching instruction from the wireless terminal control unit 14A (step 403). As a result, in the call control data 13 </ b> A of the storage unit 13, the hold state of the hold call line held by the wireless terminal 30 is switched to the system hold state.

[Effect of the fourth embodiment]
Thus, in the present embodiment, the wireless terminal control unit 14A notifies the call control unit 14B of a system hold switching instruction in response to a hold call operation request for requesting switching from the wireless terminal 30 to system hold. The call control unit 14B switches the hold state of the hold call line held by the wireless terminal 30 to the system hold state in response to the system hold switching instruction.

As a result, the call on hold of the partner terminal 40 held by the wireless terminal 30 is switched to the system hold state in accordance with an extremely simple operation such as operation of the system hold button on the hold call operation screen displayed on the wireless terminal 30. Can do.
In the present embodiment, switching to system hold has been described as an example, but switching to park hold and self hold is the same as described above, and detailed description thereof is omitted here.

[Fifth Embodiment]
Next, with reference to FIG. 10, the telephone control apparatus 10 concerning the 5th Embodiment of this invention is demonstrated. FIG. 10 is a sequence diagram illustrating operations of the telephone control device and the wireless terminal according to the fifth embodiment. In FIG. 10, regarding the exchange between the telephone control apparatus 10 and the wireless terminal 30, the thin line indicates data communication using the data communication line, the thick solid line indicates voice communication using the voice communication line, and the thick broken line indicates voice. A call control message using a communication line is shown.

  In the first embodiment, the operation from the hold operation on the wireless terminal 30 to the display of the hold call operation screen has been described. In the present embodiment, the operation when the hold release button is operated on the hold call operation screen will be described.

In the present embodiment, the radio terminal control unit 14A issues a hold release instruction for the hold call line held by the radio terminal 30 in response to a hold call operation request for requesting release of hold from the radio terminal 30. The call control unit 14B It has a function to notify.
When the call control unit 14B is called using the voice communication line from the wireless terminal 30 that is the request source of the hold call operation request received by the network I / F unit 11 via the data communication line, the call control unit 14B It has a function of automatically answering, releasing the hold of the hold call line, and relay-connecting the voice communication line of the wireless terminal 30 and the hold call line.
Other configurations according to the present embodiment are the same as those of the first embodiment, and a detailed description thereof is omitted here.

  As shown in FIG. 10, in the wireless terminal 30, when the operation input unit 35 detects the operation of the hold release button while the hold call operation screen is displayed on the screen display unit 36 (step 500), the line The control unit 34A notifies the telephone control device 10 of a hold call operation request for releasing the hold call line via the data communication line (step 501).

  The wireless terminal control unit 14A returns a request acceptance via the data communication line in response to the hold call operation request for releasing the hold from the wireless terminal 30 (step 502), and the hold call held by the wireless terminal 30 The call control unit 14B is notified of a hold release instruction for releasing the line from hold.

  In response to receiving a request from the telephone control device 10, the line control unit 34A of the wireless terminal 30 instructs the call control unit 34B to call the telephone control device 10 using a voice communication line, and the call control unit 34B. In response to the call instruction from the line control unit 34A, the wireless I / F unit 31 calls the telephone control device 10 using the voice communication line (step 510).

  In response to a system hold switching instruction from the wireless terminal control unit 14A, the call control unit 14B calls a call using the voice communication line from the wireless terminal 30 that is a request source of the hold call operation request. An automatic response is made (step 511), the hold of the hold call line is released (step 512), and the voice communication line of the wireless terminal 30 and the hold call line are relay-connected. As a result, the communication path of the partner terminal 40 and the communication path of the wireless terminal 30 are reconnected, and the communication between the partner terminal 40 and the wireless terminal 30 is started (step 513).

[Effect of Fifth Embodiment]
Thus, in the present embodiment, the radio terminal control unit 14A notifies the call control unit 14B of a hold release instruction in response to a hold call operation request for requesting release of a hold from the radio terminal 30, and the call control unit 14B, when a call is made from the wireless terminal 30 using the voice communication line, automatically responds to the call and cancels the hold on the call line, and the voice communication line of the radio terminal 30 and the hold call This is a relay connection with the line.

  As a result, the held call of the partner terminal 40 held by the wireless terminal 30 can be released from the hold in response to an extremely simple operation such as the operation of the hold release button on the hold call operation screen displayed on the wireless terminal 30. .

[Extended embodiment]
The present invention has been described above with reference to the embodiments, but the present invention is not limited to the above embodiments. Various changes that can be understood by those skilled in the art can be made to the configuration and details of the present invention within the scope of the present invention. In addition, each embodiment can be implemented in any combination within a consistent range.

  DESCRIPTION OF SYMBOLS 1 ... Telephone system, 10 ... Telephone control apparatus, 11 ... Network I / F part, 12 ... Extension I / F part, 13 ... Memory | storage part, 13A ... Call control data, 13P ... Program, 14 ... Control part, 14A ... Wireless Terminal control unit, 14B ... call control unit, 20 ... extension terminal, 21 ... extension line, 30 ... wireless terminal, 31 ... wireless I / F unit, 32 ... voice processing unit, 33 ... storage unit, 33A ... call control data, 33P ... Program, 34 ... Control unit, 34A ... Line control unit, 34B ... Call control unit, 35 ... Operation input unit, 36 ... Screen display unit, 40 ... Destination terminal, NW1 ... Phone network, NW2 ... Wireless communication network, L1 , L2 ... line.

Claims (4)

A telephone control device for connecting a wireless terminal connected via a wireless communication network to one of a plurality of telephone lines connected to a telephone network,
A network I / F unit that establishes a data communication line and a voice communication line with the wireless terminal via the wireless communication network;
In response to the PB signal instructing the hold from the wireless terminal that is in communication with the other terminal via the call line via the voice communication line, the call line is held, and the wireless terminal A call control unit for disconnecting the voice communication line;
As an operation screen for performing various operations on the hold call line held by the wireless terminal to the wireless terminal using the data communication line, a hold call operation request indicating the content of the operation is displayed for each operation on the hold call. A wireless terminal control unit for instructing display of an on-hold call operation screen on which an operation button for notifying the telephone control device from the wireless terminal using the data communication line is provided. apparatus. The telephone control device according to claim 1, wherein
In response to the hold call operation request for requesting call transfer from the wireless terminal, the wireless terminal control unit obtains a transfer destination telephone number indicating the call transfer destination from the hold call operation request,
When a call is made from the wireless terminal that is a request source of the hold call operation request using the voice communication line, the call control unit sets the transfer destination telephone number acquired by the wireless terminal control unit. Call the transfer destination terminal based on this, automatically respond to the call from the wireless terminal according to the response from the transfer destination terminal, and relay-connect the voice communication line of the wireless terminal and the call line of the transfer destination terminal In response to disconnection of a call between the wireless terminal and the transfer destination terminal, the hold of the hold call line is released, and the hold call line and the call line of the transfer destination terminal are relay-connected. A telephone control device. The telephone control device according to claim 1 or 2,
In response to the hold call operation request for requesting forced transfer from the wireless terminal, the wireless terminal control unit obtains a transfer destination telephone number indicating the forced transfer destination from the hold call operation request,
The call control unit calls the transfer destination terminal based on the transfer destination telephone number acquired by the wireless terminal control unit, and releases the hold of the hold call line according to a response from the transfer destination terminal, A telephone control device characterized in that the hold call line and the call line of the transfer destination terminal are relay-connected.   The program for functioning a computer as each part which comprises the telephone control apparatus as described in any one of Claims 1-3.

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