JP5585496B2 - Telephone control device having call continuation function - Google Patents

Description

  In the telephone control apparatus that accommodates an external line and a plurality of extension telephones, even when an incoming call is transferred to another extension telephone by proxy response or call transfer, the call of the extension telephone of the original destination is continued, The present invention relates to a telephone control device having a function of giving an opportunity for an original extension telephone to answer.

  In a conventional private branch exchange or a key telephone main unit (telephone control unit), when another telephone performs a proxy response operation on the originally received extension telephone, the telephone control unit performs another proxy response operation. After setting the extension telephone and the calling telephone to the busy state, the call to the extension telephone that was initially received was canceled. This is shown in Patent Document 1.

JP 2007-274429 A

  However, in the technique described in Patent Document 1, when a proxy response or incoming call transfer is activated immediately before an extension telephone that originally received an attempt to answer, the call to the extension telephone that was originally received is canceled. You will not be able to answer, search for proxy response destination or call forwarding destination, hold / transfer the call back, or answer the caller's request received on behalf of proxy response destination or call forwarding destination There was a difficulty in convenience because it was necessary to ask. Therefore, in order to improve the above-mentioned difficulty, the present invention is to secure an opportunity for the original destination to respond to the incoming call even after the proxy response or incoming call transfer is activated.

In order to solve the above-mentioned problems, the present invention provides a telephone control apparatus that accommodates an extension to which an external line and a plurality of extension telephones are connected, and is an extension of a destination when an incoming call is received. An extension telephone calling means for calling a telephone, a destination response detection means for detecting a response to the call from the extension telephone of the destination called by the extension telephone calling means, and an extension telephone other than the extension telephone of the destination Proxy response request receiving means for receiving a specific command for requesting a proxy response to the call, and when the extension telephone call means is calling the extension telephone of the destination, the proxy response request When the receiving means receives a specific command requesting that a proxy response be made, it connects the caller of the incoming call to the extension telephone that transmitted the specific command, and the extension power The machine calling means continues calling the extension telephone at the destination, and if the destination response detection means detects a response from the extension telephone at the destination before a predetermined period elapses, while maintaining the connection with the extension telephone which has transmitted the specific command originates the call, characterized in that connected to those該着signal the originating the incoming call destination extension telephone.

According to a second aspect of the present invention, there is provided a telephone control apparatus for accommodating an extension to which an external line and a plurality of extension telephones are connected, the extension telephone calling means for calling an extension telephone at a destination when there is an incoming call, and the extension A destination response detection means for detecting a response to the call from the extension telephone of the destination called by the telephone call means, and an incoming call transfer means for transferring the incoming call to a transfer destination registered in advance, When the extension telephone call means starts calling the extension telephone of the destination and the destination response detection means does not detect a response from the extension telephone of the destination, the call transfer is performed. The means transfers the incoming call to a transfer destination registered in advance, and if the transfer destination responds to the transfer, connects the caller of the incoming call to the transfer destination, and the extension telephone caller Continues calling the extension telephone at the destination, and if the destination response detection means detects a response from the extension telephone at the destination before a predetermined period of time elapses, originating while maintaining the connection with the transfer destination, characterized in that connected to those該着signal the originating the incoming call destination extension telephone.

  According to the present invention, the extension telephone call means continues the call of the original destination extension telephone for a predetermined period even after the proxy response or call transfer is activated, so that the original destination answers the incoming call. There is an advantage that the failure to reduce is reduced.

These are block block diagrams of the telephone control apparatus by this invention. These are operation | movement flowcharts when the telephone control apparatus by this invention performs the process which concerns on a proxy response. These are operation | movement flowcharts when the telephone control apparatus by this invention performs the process which concerns on an incoming call transfer.

  Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram of a telephone device according to the present invention. The caller telephone 1 and the line interface 301 of the telephone control device 3 according to the present invention are connected via the telephone network 2. The telephone control device 3 according to the present invention has an external line control unit 302 for performing call control with an external line (not shown, an exchange on the telephone network 2), and the telephone control device 3, both of which are proxy response operations and Extension telephones 4a, 4b, 4c capable of incoming call transfer operations, extension interface units 307a, 307b, 307c that accommodate the extension telephones 4a, 4b, 4c, and notification of incoming calls to each extension phone via each extension interface unit, It is composed of extension control units 304a, 304b, and 304c that detect a response, an end (disconnect) operation, a proxy response operation, and the like of each extension telephone, and a control unit 303 that controls each unit.

  When the outside line control unit 302 detects an incoming call from the caller telephone 1, the control unit 303 notifies the incoming call to the extension telephone 4a that is the original destination via the extension control unit 304a (calling to the extension telephone 4a). I do). Next, when the proxy response operation performed by the extension telephone 4b is detected by the extension control unit 304b, the control unit 303 instructs the outside line control unit 302 to receive an incoming call, and then, via the call path connection unit 308, A call path with the caller telephone 1 is connected and a call is in progress. At this time, the control unit 303 continues the incoming call notification (call) to the extension telephone 4a for a predetermined period even after the proxy response is made.

  Next, when the extension control unit 304a detects that the extension telephone 4a, which is the original destination, has responded within the predetermined period, the control unit 303 instructs the guidance sending unit 309 to After informing the extension telephone 4b that is the proxy response destination that the current call is switched to the telephone call to the extension telephone 4a that is the original destination, the call path connection unit 308 is instructed and the proxy response destination The communication path of a certain extension telephone 4b is disconnected, and the communication path between the caller telephone 1 and the extension telephone 4a is connected.

  When the incoming call transfer function is set, the control unit 303 detects the response of the extension telephone 4a even after a predetermined period of time has elapsed after notifying the extension telephone 4a, which is the original destination, of the incoming call. If not, the transfer destination extension telephone corresponding to the incoming call is extracted from the transfer destination storage unit 306, and the incoming call is transferred to the extracted extension telephone 4c (calling the extracted extension telephone 4c).

  At this time, the control unit 303 continues the incoming call notification (call) to the extension telephone 4a for a predetermined period even after the incoming call transfer is performed.

  Next, when the extension control unit 304a detects that the extension telephone 4a has responded, the control unit 303 instructs the guidance sending unit 309 to notify the caller telephone 1 and the extension telephone 4c that is the transfer destination to the current telephone set. Is notified that the call will be switched to the call with the original extension telephone 4a, then the call path connection unit 308 is instructed to disconnect the call path of the extension telephone 4c as the transfer destination, and the caller telephone 1 and the extension telephone Connect the communication path with 4a.

  FIG. 2 is an operation flowchart of the control unit of the telephone control apparatus having a call continuation function according to the present invention. Hereinafter, a case where the extension telephone 4b makes a proxy response to the incoming call to the extension telephone 4a will be described as a first embodiment.

  When an incoming call from a caller is detected in the standby state (S3000) (S3001, Y), the extension control unit 304a calls the extension telephone 4a connected to the extension interface unit 307a (S3002).

  When it is detected by the extension control unit 304a that the extension telephone 4a has responded to the incoming call (S3010, Y), the incoming line response is instructed to the external line control unit 302 (S3011), and then the call path connection unit 308 is instructed. 1 is connected to the extension line 4a (S3018).

  Next, when a call end from the caller telephone 1 or a call end operation from the extension telephone 4a is detected (S3090, Y), the external line control unit 302 is instructed to disconnect the call (S3091). The communication path with the extension telephone 4a is disconnected (S3092), and the process returns to the standby state (S3000).

  Next, in a state where the incoming call (calling) to the extension telephone 4a is continued (S3010, N), when the extension control unit 304b detects a proxy response operation from the extension telephone 4b (S3020, Y), the outside line control unit After instructing the incoming call response to 302 (S3021), the call destination connecting unit 308 is instructed to connect the call path between the caller telephone 1 and the extension telephone 4b (S3022), and the destination to monitor the response of the extension telephone 4a A response monitoring timer (for example, 60 seconds) is started (S3023).

  Next, when it is detected that the extension telephone 4a has responded to the incoming call while the incoming call response monitoring timer is activated (S3040, Y), the control unit 303 instructs the guidance sending unit 309 to call the source telephone 1 and the extension. After notifying the telephone 4b of a call switching guidance indicating that the current call is switched to a call with the original extension telephone 4a (S3041), the telephone line connection unit 308 is instructed to change the telephone line of the extension telephone 4b. The call is disconnected (S3042), and the call path between the caller telephone 1 and the extension telephone 4a is connected (S3018).

  When the outside line control unit 302 detects the termination of the incoming call from the caller in a state where the destination extension telephone does not respond (S3010, N) and the proxy response operation is not performed (S3020, N) (S3030, N) In Y), the control unit 303 instructs the extension control unit 304a to stop receiving (calling) the extension telephone 4a (S3031), and returns to the standby state (S3000).

  Next, after the proxy response, when the extension telephone 4a does not respond even after a predetermined period of time, that is, when the destination response monitoring timer activated in step 3023 has expired (S3050, Y), the control unit 303 Then, the extension control unit 304a is instructed to cancel the call to the extension telephone 4a (S3051).

  That is, conventionally, the call to the extension telephone 4a, which is the original destination, has been canceled by the proxy response. However, in the present invention, even after the proxy response is made, until the destination response monitoring timer expires ( From step 3020 to step 3051), the call to the extension telephone 4a is continued and an opportunity to answer is obtained.

  Next, when the outside line control unit 302 detects the cancellation of the incoming call from the caller telephone 1 or the extension control unit 304b detects the call closing operation from the extension telephone 4b (S3080, Y), the control unit 303 displays the outside line control unit. After instructing 302 to disconnect the call (S3081), the communication path connection unit 308 is instructed to disconnect the communication path between the caller telephone 1 and the extension telephone 4b (S3082), and the process returns to the standby state (S3000).

  In step 3060, when the outside line control unit 302 detects the termination (end call) of the incoming call from the calling telephone 1, or the extension control unit 304b detects the call end operation from the extension telephone 4b (S3060, Y), the control unit 303 instructs the extension control unit 304a to stop calling the extension telephone 4a (S3061), instructs the external line control unit 302 to disconnect the call (S3081), and then instructs the call path connection unit 308 to call the calling telephone. 1 and the extension telephone 4b are disconnected (S3082), and the process returns to the standby state (S3000).

  FIG. 3 is an operation flowchart of the control unit when the incoming call transfer is performed according to the present invention. Hereinafter, as a second embodiment, a case will be described in which an incoming call to the extension telephone 4a is transferred to the extension telephone 4c.

  In the standby state (S3100), when an incoming call from the caller is detected (S3101, Y), the extension control unit 304a calls the extension telephone 4a connected to the extension interface unit 307a (S3102) and monitors the response of the called party. A call destination response monitoring timer (for example, 30 seconds) is started (S3103).

  When the extension control unit 304a detects that the extension telephone 4a has responded to the incoming call (S3110, Y), the control unit 303 instructs the external line control unit 302 to answer the incoming call (S3111), and then instructs the call path connection unit 308 to Then, the call path between the caller telephone 1 and the extension telephone 4a is connected (S3118).

  Next, when the external line control unit 302 detects the end of the call from the caller telephone 1 or the extension control unit 304a detects the end of the call from the extension telephone 4a (S3190, Y), the external line control unit 302 disconnects the call. After the instruction (S3191), the communication path connection unit 308 is instructed to disconnect the communication path between the caller telephone 1 and the extension telephone 4a (S3192), and the process returns to the standby state (S3100).

  Next, when the incoming call (calling) to the extension telephone 4a is continued (S3110, N) and the incoming call response monitoring timer activated in step 3103 expires (S3120, Y), the transfer destination storage unit 306 Then, a predetermined transfer destination corresponding to the incoming call is extracted, and the extracted transfer destination extension telephone (extension telephone 4c in this embodiment) is called (S3121).

  At this time, the original call to the extension telephone 4a is continued, and when the extension control unit 304a detects that the extension telephone 4a has responded to the incoming call (S3140, Y), the control unit 303 reads the extension control unit 304c. To stop the call to the extension telephone 4c (S3141), instruct the outside line control section 302 to answer the incoming call (S3111), and then instruct the call path connection section 308 to call the source telephone 1 and the extension telephone 4a. Are connected (S3118).

  In addition, in the state where the destination extension telephone does not answer (S3110, N) and the destination answer monitoring timer has not expired (S3120, N), the outside line control unit 302 detects the termination of the incoming call from the source telephone 1. In this case (S3130, Y), the incoming call (calling) to the extension telephone 4a is stopped (S3131), and the process returns to the standby state (S3100).

  Next, when the extension telephone 4c answers in a state where the extension telephone 4c is being called (S3150, Y), the control unit 303 instructs the external line control unit 302 to receive an incoming call (S3151), and then the communication path connection unit. 308 is instructed to connect the call path between the caller telephone 1 and the extension telephone 4c (S3152), and a call destination response monitoring timer (for example, 30 seconds) for monitoring the response of the extension telephone 4a is started again (S3153). ).

  Next, when it is detected that the extension telephone 4a has responded to the incoming call while the destination response monitoring timer is activated (S3155, Y), the control unit 303 instructs the guidance sending unit 309 to call the source telephone 1 and the extension. After notifying the telephone 4c of a call switching guidance indicating that the current call is switched to a call with the original extension telephone 4a (S3156), the extension control unit 304c is instructed to disconnect the call of the extension telephone 4c. (S3157) The communication path connection unit 308 is instructed to disconnect the communication path of the extension telephone 4c (S3158), and the communication path between the caller telephone 1 and the extension telephone 4a is connected (S3118).

  In addition, in the state where the extension telephone 4a which is the destination is not responding (S3140, N) and the destination response monitoring timer has not expired (S3150, N), the outside line control unit 302 cancels the incoming call from the source telephone 1 Is detected (S3160, Y), the extension control units 304a and 304c are instructed to stop the incoming call (calling) to the extension telephone 4a and the extension telephone 4c (S3161, S3162) and enter the standby state (S3100). Return.

  Next, in step 3170, if the destination response monitoring timer detects expiration (S3170, Y), the extension control unit 304a is instructed to cancel the call to the extension telephone 4a (S3171), and the extension telephone 4c makes a call. (S3180).

  In other words, conventionally, the call to the extension telephone 4a was originally suspended due to the activation of the incoming call transfer. However, in the present invention, after the incoming call transfer is activated, the call destination response monitoring timer expires (steps). 3120 to step 3171), the call to the extension telephone 4a is continued and an opportunity to answer is obtained.

  When the outside line control unit 302 detects the cancellation of the incoming call from the caller telephone set 1 or the extension line control unit 304c detects the end call operation from the extension telephone 4c (S3175, Y, S3180, Y), the control unit 303 After instructing the control unit 302 to disconnect the call (S3181), the communication path connection unit 308 is instructed to disconnect the communication path between the caller telephone 1 and the extension telephone 4c (S3182), and the standby state (S3100) is entered. Return.

  In this embodiment, the incoming call is forwarded to the extension telephone 4c when the extension telephone 4a does not respond within a predetermined period. However, this period (destination response monitoring timer) is extremely limited. By setting it to a short time, it can be applied to a missed transfer in which it is known in advance that the user of the destination extension telephone is absent.

  In the present embodiment, it is assumed that after the extension telephone 4a, which is the destination of the call, answers, the call path between the caller and the extension telephone 4b of the proxy response destination and the extension telephone 4c of the call transfer destination is cut off. However, while maintaining the call path of the extension answering telephone 4b and the call forwarding destination extension telephone 4c, the call path of the extension telephone 4a being the destination is mixed (synthesized) to form a three-party conference call state. May be.

DESCRIPTION OF SYMBOLS 1 Origination telephone 2 Telephone network 3 Telephone control apparatus by this invention
4a, 4b, 4c Extension telephone 301 Line interface unit 302 Outside line control unit 303 Control unit 304a, 304b, 304c Extension control unit 306 Transfer destination storage unit 307a, 307b, 307c Extension interface unit 308 Call path connection unit 309 Guidance sending unit

Claims (2)

A telephone control device for accommodating an extension to which an external line and a plurality of extension telephones are connected,
An extension telephone calling means for calling an extension telephone at the destination when there is an incoming call, an incoming call answer detection means for detecting a response to the call from the extension telephone of the incoming call called by the extension telephone calling means, Proxy response request receiving means for receiving a specific command for requesting a proxy response to the call from an extension telephone other than the destination extension telephone;
When the extension telephone calling means receives a specific command requesting that the proxy response request receiving means make a proxy response while calling the extension telephone of the destination, the call originator and the specific The extension telephone that has transmitted the command is connected, and the extension telephone calling means continues calling the extension telephone of the destination, and the incoming call answering detection means receives the incoming call before a predetermined period elapses. Once it detected the response from the previous extension telephone, while maintaining the connection with the extension telephone which has transmitted the specific command originates the call, the connection between those該着signal the originating extension phone of the destination A telephone control device having a call continuation function. A telephone control device for accommodating an extension to which an external line and a plurality of extension telephones are connected,
An extension telephone calling means for calling an extension telephone of a destination when there is an incoming call; a destination response detection means for detecting a response to the call from the extension telephone of the destination called by the extension telephone calling means; A call forwarding means for forwarding the incoming call to a registered forwarding destination,
When the extension telephone call means starts calling the extension telephone of the destination and the destination response detection means does not detect a response from the extension telephone of the destination, the call transfer is performed. The means transfers the incoming call to a transfer destination registered in advance, and if the transfer destination responds to the transfer, connects the caller of the incoming call and the transfer destination, and the extension telephone call means If the incoming call destination response detection means detects a response from the incoming call extension telephone before a predetermined period of time elapses, the incoming call extension terminal is called wherein while maintaining the connection with the transfer destination telephone controller having a call continuation function, characterized in that connected to those該着signal the originating extension phone of the destination.

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