JP2003008606A - Communication controller and method and program for communication control - Google Patents

Abstract

PROBLEM TO BE SOLVED: To control reception of data from a network to eliminate unnecessary charging to the originator when all data reception terminals or a data reception terminal specified as the destination of incoming data is in an inoperable state on arrival of data, and to provide a communication controller and a method and a program for to improve operation by enabling communication when a data reception terminal specified as the destination of incoming data is in an inoperable state on arrival of data. SOLUTION: When data are received, and if all data reception terminals connected to a communication controller or a data reception terminal specified by the received data is in an inoperable state, the controller responds to the originating terminal without performing reception processing. Also if transfers the incoming data to another data reception terminal, exchanges data regularly with the transferred terminal, and hands over the updated data when the transferring terminal is restored.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is not necessary for a sender when all incoming call receiving terminals or a specific incoming call receiving terminal designated as an incoming call destination of incoming data are inoperable when receiving an incoming call from a network. Control incoming calls so that there is no charge. The present invention also relates to a communication control device, a communication control method, and a program for realizing communication control, which enables communication when the incoming call receiving terminal designated as the incoming destination of incoming data is inoperable at the time of incoming call and improves operation.

[0002]

2. Description of the Related Art FIG. 15 is a diagram showing a prior art. In the figure, the ISDN communication control device 51 is an IS
It is composed of a DN communication control processing unit 56 and a routing processing unit 57.

The ISDN communication control processing unit 56 connects to a terminal 52, which is an arbitrary terminal on the ISDN network (digital integrated service network) 53, and the routing processing unit 57 connects to the LAN (connected to the ISDN communication control device 51). It is connected to a terminal 54 or a terminal 55 which is an incoming call receiving terminal on a local area network.

FIG. 16 is a flow chart of the prior art. The figure illustrates the procedure of the incoming call processing in the ISDN communication control processing unit 56.

S81: The ISDN communication control processing unit 56
It waits for an incoming call from the terminal 52 connected to the ISDN network 53.

S82: The ISDN communication control processing unit 56
When the incoming call is received, the incoming call is transmitted to the terminal 54 or the terminal 55 designated as the destination of the incoming call data.

When the ISDN communication control processing unit 56 receives an incoming call by designating, for example, the terminal 54 from the terminal 52 on the ISDN network 53 as described above, the incoming call receiving terminals of the terminal 54 and the terminal 55 are Even if both are inoperable, or even if only the terminal 54 designated as the destination by the incoming data is inoperable, the incoming call processing is performed, and although the communication cannot be performed, the caller is charged. Was there.

Here, the ISDN communication control processing unit 5
When the terminal 6 determines that the incoming call receiving terminal is in the inoperable state, for example, the incoming call receiving terminal is not connected, the power is cut off, hangs, or is rebooted.

Not connected to the incoming call receiving terminal means that the incoming call receiving terminal is not connected to the ISDN communication control unit 51, powering off means that the incoming call receiving terminal is not powered on, and hang means receiving the incoming call. The CPU (central processing unit) of the receiving terminal means that the processing request cannot be accepted due to a bug in the program, and the reboot means that the incoming reception terminal is in the power-on state.

[0010]

As described above, the conventional techniques have the following problems.

The ISDN communication control processing unit 56 performs incoming call processing to the connected incoming call receiving terminal even when all the incoming call receiving terminals are in an inoperable state and cannot communicate, and the caller is charged. There was a problem that

Further, when the ISDN communication control processing unit 56 carries out the incoming call processing to the connected incoming call receiving terminal, the incoming call is received even when the incoming call receiving terminal designated by the incoming call data is in an inoperable state and cannot communicate. There was a problem that the processing was performed and the sender was charged.

Further, when the ISDN communication control processing unit 56 carries out the incoming call processing to the incoming call receiving terminal connected, if the incoming call receiving terminal designated as the incoming call destination by the incoming call data is in the inoperable state, communication is not possible. There was a problem.

Therefore, the object of the present invention is as follows.

When all incoming call receiving terminals are in an inoperable state when receiving an incoming call from the network, a response is returned without performing incoming call processing so that the sender does not have unnecessary charges.

Further, when an incoming call from the network is received, if a specific incoming call receiving terminal designated as an incoming call destination in the incoming call data is in an inoperable state, a response is returned without performing the incoming call process, and it is unnecessary for the outgoing caller. There is no charge.

Further, when an incoming call from the network is received and the incoming call receiving terminal designated as the incoming call destination is in an inoperable state, the incoming call request is transferred to another incoming call receiving terminal to enable communication. , The call receiving terminal at the transfer destination must hold the same data as the call receiving terminal at the transfer source. In addition, when the transfer-source call receiving terminal becomes operational, it can be used again for communication. Another object is to improve the operation by loading the update data of the transfer destination call receiving terminal into the operable transfer source call receiving terminal and making subsequent incoming calls to the transfer source call receiving terminal.

[0018]

In order to solve the above problems, the present invention takes the following means.

When all incoming call receiving terminals connected to the communication control device are checked for operation at the time of an incoming call, and when all incoming call receiving terminals are in the inoperable state, the incoming call is not processed and a response is made to the originating terminal. To do.

By taking the above means, it is possible to prevent unnecessary charges to the sender by stopping the incoming call processing when all the incoming call receiving terminals are in an inoperable state, and the sender can control the communication from the response. It can be understood that all the incoming call receiving terminals connected to the device cannot communicate, and the communication can be stopped.

When all incoming call receiving terminals connected to the communication control device are in the inoperable state, whether incoming call processing is performed or not is set in the incoming call control information, and all incoming call receiving terminals are connected to the communication control device. If all the incoming call receiving terminals are inoperable by checking the operation acceptability of the incoming call receiving terminals and referring to the incoming call control information when all the incoming call receiving terminals are in the inoperable state If it is set to perform incoming call processing on the incoming call reception terminal, the incoming call processing to the incoming call reception terminal specified as the destination of the incoming call data is performed, and if all the incoming call reception terminals connected to the communication control device are in the inoperable state. When it is set not to perform the incoming call processing, the incoming call processing is not performed and the call is sent to the source terminal.

By taking the above-mentioned means, it is set in advance that the incoming call processing is not performed when all the call receiving terminals are in the inoperable state, so that when all the call receiving terminals are in the inoperable state. The incoming call processing can be stopped to prevent unnecessary charges to the caller, and the caller can know from the response that all the call receiving terminals connected to the communication control device cannot communicate, so that the communication can be stopped.

On the other hand, if it is set that the incoming call processing is performed when all the incoming call receiving terminals are in the inoperable state, the incoming call processing can be performed as in the conventional case.

Further, whether or not to perform incoming call processing when the incoming call receiving terminal connected to the communication control device is in an inoperable state is set in advance in the incoming call control information, and is designated as a destination of incoming data at the time of incoming call. If the operation of the received call receiving terminal is checked and it is in the inoperable state, the incoming call control information is referred to, and if it is set to perform the incoming call processing when the relevant call receiving terminal is in the inoperable state. Incoming call processing is performed on the incoming call receiving terminal specified as the destination of the incoming call data, and if the incoming call receiving terminal is set to not perform incoming call processing when the incoming call receiving terminal is inoperable, the outgoing call is not performed and the outgoing call is made. Reply to the former terminal.

By adopting the above means, when the specific incoming call receiving terminal designated as the incoming call destination of incoming data is in the inoperable state, the incoming call processing is not performed, and unnecessary charging to the outgoing call source can be prevented. . In addition, it can be understood from the response that the caller cannot communicate with the call receiving terminal designated as the callee, and the communication can be stopped.

On the other hand, when it is set that the incoming call process is performed when the specific incoming call receiving terminal is in the inoperable state, the incoming call process can be performed as in the conventional case.

Further, the identification information of one or a plurality of incoming call receiving terminals, which forward the incoming call request when the incoming call receiving terminals connected to the communication control device are in an inoperable state, is set in the terminal control information in advance, and when the incoming call is received. If the operation of the incoming call receiving terminal specified as the incoming call destination of the incoming call data is checked and it is in the inoperable state, refer to the terminal control information and select the preset incoming call receiving terminal of the forwarding destination. , Forward incoming requests.

By adopting the above-mentioned means, the caller can communicate even if the call receiving terminal designated as the callee is inoperable.

Further, identification information of one or a plurality of incoming call receiving terminals to which the incoming call request is transferred when the incoming call receiving terminal connected to the communication control device is in an inoperable state, and a synchronization instruction for instructing constant data exchange. Information and preset in the terminal control information, refer to the terminal control information at the time of start-up, receive the call reception instruction of the transfer source, and transmit the synchronization instruction information to the terminal, receive the call reception of the transfer destination selected in advance only one Instruct to always exchange data with the terminal.

By adopting the above means, it is possible to accept an incoming call without making the sender aware of the transfer.

Further, when an inoperable incoming call receiving terminal connected to the communication control device becomes operable, the event is automatically detected to determine the operating state of the incoming call receiving terminal in the terminal control information. Be recorded as operational.

By adopting the above means, the transfer source incoming call receiving terminal can be used again for communication.

Further, the identification information of one or a plurality of incoming call receiving terminals which forward the incoming call request when the incoming call receiving terminals connected to the communication control device are in an inoperable state, and the update data from the forwarding destination incoming call receiving terminals. Recovery instruction information for instructing capture is set in the terminal control information in advance, and the operation status judgment for each incoming call receiving terminal of the terminal control information is referred to. The recovery instruction information is transmitted and instructed to fetch the update data from the forwarding destination call receiving terminal.

By adopting the above means, it is possible to fetch the update data of the transfer destination call receiving terminal into the operable transfer source call receiving terminal and make subsequent incoming calls to the transfer source call receiving terminal.

[0035]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention has the following embodiments.

FIG. 1 is a block diagram of the present invention.

In the figure, the communication control device 1 includes a communication control processing unit 6, an incoming call control processing unit 8, and a routing processing unit 7.
Composed of.

The communication control processing unit 6 connects to the terminal 2 which is an arbitrary source terminal on the network 3, and is connected to the communication control device 1 via the incoming call control processing unit 8 and the routing processing unit 7. It is connected to the terminal 4 or 5 of the incoming call receiving terminal.

The incoming call control processing section 8 checks whether all incoming call receiving terminals connected to the communication control device 1 are operable at the time of incoming call, and performs incoming call processing when all incoming call receiving terminals are inoperable. No, it responds to the source terminal.
As a response, for example, "Called user busy" in the reason display when the communication control device 1 is an ISDN communication control device
Or use the general term such as "not available".

Further, the incoming call control processing section 8 sets in the incoming call control information of the storage section 9 whether or not to perform incoming call processing when all incoming call receiving terminals connected to the communication control device 1 are in an inoperable state. At the same time, when all incoming call receiving terminals connected to the communication control apparatus 1 at the time of incoming call are checked for operation, and when all incoming call receiving terminals are inoperable, the incoming call control information is referred to and the communication control apparatus is referred to. If all incoming call receiving terminals connected to 1 are set to perform incoming call processing when the incoming call receiving terminals are inoperable, the incoming call reception processing is performed to the incoming call receiving terminal designated as the incoming call destination of the incoming call data, and the communication control device If all incoming call receiving terminals connected to No. 1 are set not to perform incoming call processing when they are in an inoperable state, no incoming call processing is performed and the caller terminal responds.

Further, the incoming call control processing unit 8 presets in the incoming call control information of the storage unit 9 whether or not to perform incoming call processing when the incoming call receiving terminal connected to the communication control device 1 is in an inoperable state. When the incoming call is received, if the operation of the incoming call receiving terminal specified as the destination of the incoming call data is checked and it is in the inoperable state, the incoming call control information is referred to,
If the incoming call reception terminal is set to perform incoming call processing when it is inoperable, the incoming call reception terminal specified in the destination of the incoming call data is processed, and the incoming call reception terminal is inoperable. In the case of No, if the incoming call processing is set not to be performed, the incoming call processing is not performed and the call is sent to the source terminal.

Further, the incoming call control processing section 8 stores the identification information of one or a plurality of incoming call receiving terminals which transfer the incoming call request when the incoming call receiving terminals connected to the communication control device 1 are in an inoperable state. When the incoming call receiving terminal designated as the destination of the incoming call data is set to operate in advance by setting the terminal control information of the terminal, if it is in the inoperable state, the terminal control information is referred to and set in advance. The incoming call request is forwarded to the incoming call receiving terminal of only one forwarding destination selected.

Further, the incoming call control processing section 8 is provided with identification information of one or a plurality of incoming call receiving terminals which forward the incoming call request when the incoming call receiving terminals connected to the communication control device 1 are in an inoperable state, and constant data. The synchronization instruction information for instructing exchange is preset in the terminal control information of the storage unit 9, and the synchronization instruction information is transmitted to the incoming call receiving terminal of the transfer source by referring to the terminal control information at the time of startup and preset. Then, it is instructed to always perform data exchange with the incoming call receiving terminal of only one transfer destination selected.

Further, the incoming call control processing section 8 automatically detects the event when an inoperable incoming call receiving terminal connected to the communication control device 1 becomes operable, and the incoming call control terminal 8 of the terminal control information detects the event. It is recorded as operable in the operation status judgment of the incoming call receiving terminal of.

Further, the incoming call control processing section 8 identifies one or a plurality of incoming call receiving terminals which forward the incoming call request when the incoming call receiving terminals connected to the communication control device 1 are in an inoperable state, and the forwarding destinations. Recovery instruction information for instructing the fetching of updated data from the incoming call receiving terminal is preset in the terminal control information of the storage unit 9, and the operation status is determined by referring to the operation state determination of the incoming call receiving terminal of the terminal control information and recorded as operable. If so, the recovery instruction information is transmitted to the relevant incoming call receiving terminal to instruct the incoming call receiving terminal to fetch the update data from the forwarding destination incoming call receiving terminal.

Further, the incoming call control processing unit 8 adds the incoming call control information and the terminal control information, and the incoming call control information,
The deletion with the terminal control information is arbitrarily set from the command 10 provided by the incoming call control processing unit 8.

Further, the incoming call control processing unit 8 adds the incoming call control information and the terminal control information, and the incoming call control information,
The deletion with the terminal control information is arbitrarily set from the setting screen 11 provided by the incoming call control processing unit 8.

Further, the incoming call control processing section 8 holds the added incoming call control information or terminal control information and the deleted incoming call control information or terminal control information in the storage section 9.

The routing processing unit 7 performs bidirectional data transfer between the incoming call control processing unit 8 and the incoming call reception terminal 4 and the incoming call reception terminal 5 connected to the ISDN communication control device 1.

The incoming call acceptance terminal 4 and the incoming call acceptance terminal 5 can perform communication and data processing, for example, a terminal on a local area network or a USB (Universal Siri).
alBus) is a terminal on the interface. Here, the incoming call receiving terminal 5 will be described as the case of the incoming call receiving terminal of the transfer destination when the incoming call receiving terminal 4 is inoperable.

The incoming call receiving terminal 4 has a data synchronizing means 12 and a data restoring means 13.

The data synchronization means 12 is activated by the incoming call control processing unit 8 and is always operated based on the synchronization instruction information transmitted from the incoming call control processing unit 8 so that the incoming call receiving terminal designated as the transfer destination holds the same data. Exchange data.

Further, the data recovery means 13 is activated by the incoming call control processing unit 8 and fetches update data from the incoming call receiving terminal of the transfer destination based on the recovery instruction information transmitted from the incoming call control processing unit 8.

In short, the communication control device 1 returns a response to the source terminal without performing the incoming call processing when all the incoming call receiving terminals are inoperable at the time of incoming call. In addition, the communication control device 1
If it is possible to set whether or not to perform incoming call processing when all incoming call receiving terminals connected to are inoperable, incoming call processing will be performed when all incoming call receiving terminals are inoperable when receiving an incoming call. If it is set not to perform the incoming call processing, a response is returned to the source terminal without performing the incoming call processing, and if it is set to perform the incoming call processing, the incoming call processing is performed as usual.
Further, when it is possible to set whether or not to perform incoming call processing when the incoming call receiving terminal connected to the communication control device 1 is in an inoperable state, the incoming call receiving terminal designated as the incoming call destination of incoming call data at the time of incoming call In the inoperable state, if the incoming call processing is set not to be performed, the response is returned to the source terminal without performing the incoming call processing. When the incoming call receiving terminal designated as the incoming call destination of the incoming call data is in an inoperable state at the time of incoming call, the incoming call request is forwarded to one incoming call receiving terminal which is preset and selected. Further, the incoming call receiving terminal of the transfer source always exchanges data so that one preset incoming call receiving terminal of the transfer destination holds the same data. In addition, a change from the inoperable state of the call receiving terminal of the transfer source to the operable state is detected and recorded as the operable state. When the call receiving terminal of the transfer source becomes operable, the update data is fetched from the call receiving terminal of the transfer destination.

As a result, when all the incoming call receiving terminals are in the inoperable state, the incoming call processing is not performed to prevent unnecessary charges to the caller. In addition, when the caller responds, all the call receiving terminals are inoperable, and communication can be stopped. Further, when all the incoming call receiving terminals are in the inoperable state, it is possible to select whether to respond without performing the incoming call process or perform the incoming call process as in the conventional case. Further, when the specific incoming call receiving terminal designated as the incoming call destination of the incoming call data is in an inoperable state, the incoming call processing is not performed, thereby preventing unnecessary charging to the outgoing call source. When the incoming call receiving terminal designated as the incoming call destination of the incoming call data is in an inoperable state, the incoming call request is forwarded to one preset forwarding destination incoming call receiving terminal to enable communication. In addition, the transfer source call receiving terminal constantly exchanges data with one preset transfer destination call receiving terminal so that the caller can receive the call without being aware of the transfer. In addition, it enables the detection of the change from the inoperable state of the transfer source call receiving terminal to the operable state, and when it becomes operable, the update data is fetched from the transfer destination call receiving terminal to the transfer source receiving terminal Subsequent incoming calls can be made to the terminal.

That is, as shown in the configuration diagram of FIG. 1, the communication control device 1 checks whether or not all the incoming call reception terminals connected to the communication control device 1 can operate at the time of incoming call, and all the incoming call reception terminals operate. In the case of the disabled state, the incoming call control processing unit 8 which responds to the caller terminal without performing the incoming call processing is provided.

By adopting the above-mentioned form, when all incoming call receiving terminals connected to the communication control device 1 at the time of incoming call are in the inoperable state, the incoming call processing is stopped to prevent unnecessary charges to the sender. Moreover, it is possible to stop the communication because it is understood from the response that the sender is unable to communicate with all the call reception terminals connected to the communication control device 1.

Further, the incoming call control processing section 8 sets in the incoming call control information whether or not to perform incoming call processing when all incoming call receiving terminals connected to the communication control device 1 are in an inoperable state, and Checks whether all incoming call receiving terminals connected to the communication control device 1 at the time of incoming call can operate,
When all the call receiving terminals are in the inoperable state, it is set to refer to the call control information and perform the call receiving process when all the call receiving terminals connected to the communication control device 1 are in the inoperable state. In this case, the incoming call processing is performed on the incoming call receiving terminal designated as the incoming call destination of the incoming call data, and the communication control device 1
When all the incoming call receiving terminals connected to are set to not perform incoming call processing when all the incoming call receiving terminals are in the inoperable state, the incoming call processing is not performed and a means for responding to the caller terminal is provided.

By adopting the above-mentioned form, it is possible to set in advance that all incoming call receiving terminals are inoperable when all incoming call receiving terminals are inoperable. It is possible to stop the incoming call processing and prevent unnecessary charges to the caller, and it is possible to stop the communication because it is understood from the response that the caller cannot communicate with all the call receiving terminals connected to the communication control device 1.

On the other hand, if it is set that the incoming call processing is performed when all the incoming call receiving terminals are in the inoperable state, the incoming call processing can be performed as in the conventional case.

Further, the incoming call control processing unit 8 sets in advance in the incoming call control information whether or not to perform incoming call processing when the incoming call receiving terminal connected to the communication control device 1 is in an inoperable state, and the incoming call control information is set. At this time, if the operation of the incoming call receiving terminal specified as the destination of the incoming call data is checked and it is in the inoperable state, the incoming call control information is referred to and the incoming call is received when the relevant incoming call receiving terminal is in the inoperable state. It was set not to perform incoming call processing when the incoming call reception terminal specified as the destination of the incoming call data is processed when it is set to perform processing, and when the relevant incoming call reception terminal is inoperable. In this case, it has a means for responding to the source terminal without performing the incoming call processing.

By adopting the above-mentioned mode, when the specific incoming call receiving terminal designated as the incoming destination of the incoming data is in the inoperable state, the incoming call processing is not performed to prevent unnecessary charging to the outgoing call source. . In addition, it can be understood from the response that the caller cannot communicate with the call receiving terminal designated as the callee, and the communication can be stopped.

Further, the incoming call control processor 8 controls the identification information of one or a plurality of incoming call receiving terminals for forwarding the incoming call request when the incoming call receiving terminals connected to the communication control device 1 are in an inoperable state. Information is set in advance, and when the incoming call is received, the operation of the incoming call receiving terminal specified as the destination of the incoming call data is checked, and when it is in the inoperable state, the terminal control information is referred to and only one preset is selected. And a means for transferring the incoming call request to the received call receiving terminal of the forwarding destination.

By adopting the above-mentioned form, when the incoming call receiving terminal designated as the incoming call destination of the incoming call data is in the inoperable state, the incoming call request is forwarded to the forwarding destination incoming call accepting terminal to enable communication.

Further, the incoming call control processing section 8 transfers one or more incoming call receiving terminals when the incoming call is transmitted when the incoming call receiving terminal connected to the communication control device 1 is in an inoperable state. Identification information and synchronization instruction information for instructing constant data exchange to be set in the terminal control information in advance, and the synchronization instruction information is transmitted to the call receiving terminal of the transfer source by referring to the terminal control information at startup. , And has means for instructing to always perform data exchange with an incoming call receiving terminal of a forwarding destination which is preset and only one is selected.

By adopting the above-mentioned form, it is possible to accept an incoming call without making the sender aware of the transfer.

Further, the incoming call control processing section 8 automatically detects the event when an inoperable incoming call receiving terminal connected to the communication control device 1 becomes operable,
The terminal control information has means for recording as operable in the operation state judgment of the incoming call receiving terminal.

By adopting the above-mentioned form, the transfer source call receiving terminal can be used again for communication.

Further, the incoming call control processing unit 8 transfers the incoming call request for each incoming call receiving terminal connected to the communication control device 1 when the incoming call receiving terminal is in an inoperable state, and the transfer information and the identification information of the incoming call receiving terminal. Recovery instruction information for instructing the fetching of updated data from the first-arrival receiving terminal is preset in the terminal control information, and the operation state judgment for each of the incoming-call receiving terminals in the terminal control information is referred to, and it is recorded as operable. In this case, there is provided a means for transmitting the recovery instruction information and instructing the relevant incoming call receiving terminal to fetch the update data from the forwarding destination incoming call receiving terminal.

By adopting the above-mentioned mode, it is possible to fetch the update data of the transfer destination call receiving terminal into the operable transfer source call receiving terminal and to make subsequent incoming calls to the transfer source call receiving terminal.

Further, the communication control device 1 adds any of the incoming call control information and the terminal control information and deletes the incoming call control information and the terminal control information from the commands provided by the incoming call control processor 8. It has means that can be set to.

By adopting the above-mentioned form, it is possible to prevent unnecessary billing to the caller at the time of an incoming call and arbitrarily specify the incoming call control information and the terminal control information which can improve the operation of communication.

Further, the communication control device 1 adds the incoming call control information and the terminal control information and deletes the incoming call control information and the terminal control information from the setting screen provided by the incoming call control processing unit 8. It has means that can be set arbitrarily.

By adopting the above-mentioned form, it is possible to prevent unnecessary billing to the caller at the time of an incoming call and to arbitrarily specify the incoming call control information and the terminal control information which can improve the operation of communication from the setting screen. .

Further, the incoming call control processing section 8 has means for holding the added incoming call control information or terminal control information and the deleted incoming call control information or terminal control information in the storage section 9.

By adopting the above-mentioned form, the communication control device 1 is equipped with the incoming call control information and the terminal control information which can prevent unnecessary billing at the time of incoming call and can improve the operation of communication.

Further, the communication control method checks whether or not all the incoming call reception terminals connected to the communication control device can operate at the time of incoming call, and does not perform the incoming call processing when all the incoming call reception terminals are in the inoperable state. Then, the procedure for responding to the source terminal is executed.

By adopting the above-mentioned mode, when all incoming call receiving terminals connected to the communication control device at the time of incoming call are in an inoperable state, the incoming call processing is stopped to prevent unnecessary charges to the sender. Also, the sender can tell from the response that all the incoming call receiving terminals connected to the communication control device cannot communicate, and the communication can be stopped.

Further, in the program for realizing the communication control, the computer checks whether all the incoming call reception terminals connected to the communication control device are operable at the time of incoming call, and when all the incoming call reception terminals are in the inoperable state. , Performs a procedure for responding to the source terminal without performing the incoming call processing.

By adopting the above-mentioned form, when all incoming call receiving terminals connected to the communication control device at the time of incoming call are in an inoperable state, the incoming call processing is stopped to prevent unnecessary charges to the sender. Also, a program is provided in which the sender can determine from the response that all incoming call receiving terminals connected to the communication control device cannot communicate, and can stop the communication.

[0081]

EXAMPLE A typical example according to the present invention will be described below. In the following, the same parts are denoted by the same reference numerals, and detailed description thereof may be omitted. Further, as a communication protocol of the network described below, I
Although the P protocol is used and the IP address is simplified to 3 digits for the sake of simplicity, TCP / IP is actually used.
Set according to the rules of.

FIG. 2 is a block diagram of an embodiment of the present invention.

In the figure, reference numeral 21 denotes an ISDN communication control device, which is composed of an ISDN communication control processing unit 26, an incoming call control processing unit 8, a routing processing unit 7, and a touch panel 28. The ISDN communication control processing unit 26 is an ISD
An incoming call receiving terminal connected to the ISDN communication control device 21 through the incoming call control processing unit 8 and the routing processing unit 7 is connected to the terminal 2 of an arbitrary transmission source terminal on the N network 23, and is connected to the local area network. LAN terminal 2
4 and the LAN terminal 25. LAN
As an IP address for the terminal 24 and the LAN terminal 25,
It is assumed that 515 and 516 are attached respectively.

The incoming call control processing unit 8 includes a LAN terminal 24 connected to the ISDN communication control device 21 at the time of incoming call and a LAN.
It is checked whether or not it can operate with the terminal 25, and when all the incoming call receiving terminals are in the inoperable state, the incoming call processing is not performed and the called terminal busy response is given to the originating terminal.

Further, the incoming call control processing section 8 uses the incoming call control information of the storage section 9a as to whether or not to perform incoming call processing when all the incoming call receiving terminals connected to the ISDN communication control device 21 are in an inoperable state. ISD when setting and receiving
LAN terminal 24 connected to the N communication control device 21,
Whether the operation with the AN terminal 25 is checked, and when the LAN terminal 24 and the LAN terminal 25 are in the inoperable state, all the incoming call receptions connected to the ISDN communication control device 21 are referred by referring to the incoming call control information. If it is set to perform incoming call processing when the terminal is inoperable, perform incoming call processing to the incoming call receiving terminal specified as the destination of incoming data,
If all incoming call receiving terminals connected to the ISDN communication control device 21 are set not to perform incoming call processing when the incoming call receiving terminals are inoperable, no incoming call processing is performed, and the called terminal busy response is made to the caller terminal.

Further, the incoming call control processing unit 8 determines whether or not to perform incoming call processing when the incoming call receiving terminal connected to the ISDN communication control device 21 is in an inoperable state.
The incoming call control information is set in advance, and when the incoming call is received, the availability of the incoming call receiving terminal specified as the destination of the incoming call data is checked, and if it is in the inoperable state, the incoming call control information is referred to When the incoming call receiving terminal is inoperable and the incoming call processing is set to perform incoming call processing, the incoming call reception terminal specified as the destination of the incoming call data is inbound and the incoming call receiving terminal is inoperable. If it is set not to perform the incoming call processing, the incoming call processing is not performed, and the callee user busy is returned to the source terminal.

Further, the incoming call control processing section 8 uses the touch panel 28 to add or delete the incoming call control information. A detailed description of arbitrarily setting the incoming call control information will be described later.

Further, the incoming call control processing unit 8 holds the added or deleted incoming call control information in the storage unit 9a.

FIG. 4 shows the structure of the incoming call control information stored in the storage unit 9a. The incoming call control information consists of a terminal IP address that specifies the incoming call receiving terminal to be processed, and incoming call processing when the incoming call receiving terminal to be processed is in an inoperable state. FIG. 4A shows that it is set not to perform the incoming call processing when all the incoming call receiving terminals connected to the ISDN communication control device 21 are in the inoperable state.
(B) shows that it is set to perform the incoming call processing when all the incoming call receiving terminals connected to the ISDN communication control device 21 are in the inoperable state.

FIG. 4 (c) shows an example of setting whether or not to perform incoming call processing when the incoming call receiving terminal is in an inoperable state. The incoming call receiving terminal with the terminal IP address 515 performs incoming call processing. It indicates that the incoming call reception terminal with the terminal IP address of 516 is set to perform incoming call processing.

The routing processing unit 7 performs bidirectional data transfer between the incoming call control processing unit 8 and the LAN terminals 24 and 25 connected to the ISDN communication control device 21.

The LAN terminal 24 and the LAN terminal 25 are terminals capable of communication and data processing.

In short, the ISDN communication control device 21 returns the answer of the called user busy to the source terminal without performing the incoming call processing when all the incoming call receiving terminals are inoperable at the time of incoming call. Further, when it is possible to set whether or not to perform the incoming call processing when all the incoming call reception terminals connected to the ISDN communication control device 21 are in the inoperable state, all the incoming call reception terminals are in the inoperable state when receiving an incoming call. In this case, if the incoming call processing is set not to be performed, the called user busy is returned to the source terminal without performing the incoming call processing, and if the incoming call processing is set to be performed, the incoming call processing is performed as usual. . In addition, when it is possible to set whether or not to perform incoming call processing when the incoming call receiving terminal connected to the ISDN communication control device 21 is in an inoperable state, the incoming call acceptance specified in the incoming call destination of the incoming call data at the time of incoming call When the terminal is in the inoperable state and if it is set not to perform the incoming call processing, the incoming user busy response is returned to the source terminal without performing the incoming call processing.

As a result, when all the incoming call receiving terminals are in the inoperable state, the incoming call processing is not performed to prevent unnecessary charges to the caller. In addition, when the caller responds to the called user busy, all the call receiving terminals are inoperable and can stop the communication. Further, when all the incoming call receiving terminals are in the inoperable state, it is possible to select whether to answer the incoming user busy without performing the incoming call process or perform the incoming call process as in the conventional case. Further, when the specific incoming call receiving terminal designated as the incoming call destination of the incoming call data is in an inoperable state, the incoming call processing is not performed, thereby preventing unnecessary charging to the outgoing call source.

FIG. 3 is a block diagram of an embodiment of the present invention.

In the figure, reference numeral 21 denotes an ISDN communication control device, which is composed of an ISDN communication control processing unit 26, an incoming call control processing unit 8 and a routing processing unit 7. IS
The DN communication control processing unit 26 establishes a connection with the terminal 2 of an arbitrary transmission source terminal on the ISDN network 23, and the incoming call control processing unit 8,
ISDN communication control device 2 via routing processor 7
The incoming call receiving terminal connected to 1 is connected to a USB terminal 31, which is a USB terminal, a USB terminal 34, and a USB terminal 35.

Further, the incoming call control processing unit 8 stores the IP address of one or a plurality of incoming call receiving terminals for forwarding the incoming call request when the incoming call receiving terminal connected to the ISDN communication control device 21 is in an inoperable state. 9b is set in advance in the terminal control information, and when the incoming call is received, it is checked whether or not the incoming call receiving terminal designated as the destination of the incoming call data is operable. Then, it is checked whether the operation is possible at the time of starting from the call receiving terminal of the transfer destination, and the call receiving request is transferred to the call receiving terminal of the transfer destination selected as one.

Further, the incoming call control processing unit 8 is provided with one or a plurality of IP addresses of the incoming call receiving terminals which forward the incoming call request when the incoming call receiving terminals connected to the ISDN communication control device 21 are in the inoperable state, and The synchronization instruction information for instructing data exchange is preset in the terminal control information of the storage unit 9b, the terminal instruction information is referred to at the time of start-up, and the synchronization instruction information is transmitted to the incoming call receiving terminal of the transfer source. From the set call receiving terminal of the transfer destination, it is checked whether or not it is operable at the time of startup, and it is instructed to always perform data exchange with the call receiving terminal of the transfer destination selected as one.

Further, the incoming call control processing section 8 automatically detects the event when the inoperable incoming call reception terminal connected to the ISDN communication control device 21 becomes operable, and the terminal control information of the terminal control information is detected. It is recorded as operable in the operation state judgment of the incoming call receiving terminal.

Further, the incoming call control processing unit 8 transfers the incoming call request when one of the incoming call receiving terminals connected to the ISDN communication control device 21 is in an inoperable state, and the IP address of one or a plurality of incoming call receiving terminals, and the forwarding. Recovery instruction information for instructing the fetching of updated data from the first call receiving terminal is preset in the terminal control information of the storage unit 9b, and the operation status is determined by referring to the operation state judgment of the terminal receiving information in the terminal control information. If it is recorded, the recovery instruction information is transmitted to the relevant incoming call receiving terminal to instruct the incoming call receiving terminal to fetch the update data.

Further, the incoming call control processing unit 8 adds or deletes the terminal control information according to an operation instruction from the terminal 36 of the operation terminal connected to the ISDN communication control device 21. The terminal control information may be added or deleted according to the operation instruction from the touch panel 28 shown in FIG. A detailed description of arbitrarily setting the terminal control information will be described later.

The incoming call control processing section 8 holds the added or deleted terminal control information in the storage section 9b. The structure of the terminal control information stored in the storage unit 9b is shown in FIG.
The terminal control information is a terminal IP address that specifies the incoming call receiving terminal to be processed, its operating state determination, and I of the incoming call receiving terminal to which the incoming call request is forwarded in the inoperable state.
P-address 1, IP address 2, and two transfer destination call receiving terminals, the data transfer is always performed with the selected terminal IP address of the IP address of the call receiving terminal that has been selected as the transfer destination by checking whether or not it can operate at startup. The synchronization instruction information for instructing to perform the operation and the recovery instruction information for instructing the acquisition of the update data from the forwarding destination call receiving terminal. In FIG. 5, the IP address of the incoming call receiving terminal to be processed is 515.
Then, the operation state determination is inoperable, the transfer destination call receiving terminal has an IP address of 516 and 517, the call receiving terminal selected as the transfer destination has an IP address of 516, synchronization instruction information starts synchronization, and recovery instruction information indicates Indicates that recovery has been started and is set or recorded.

The routing processing section 7 performs bidirectional data transfer between the incoming call control processing section 8 and the USB terminal 31, USB terminal 34, and USB terminal 35 connected to the ISDN communication control device 21.

USB terminal 31, USB terminal 34, USB
The terminal 35 is a terminal that can perform communication and data processing. Here, the USB terminal 34 and the USB terminal 35 are the USB terminal 3
An explanation will be given of an incoming call receiving terminal which is used as a transfer destination when No. 1 is in an inoperable state.

The USB terminal 31 has a data synchronization processing section 32 and a data restoration processing section 33.

The data synchronization processing unit 32 is the incoming call control processing unit 8
The incoming call receiving terminal designated as the transfer destination constantly exchanges data based on the synchronization instruction information transmitted from the incoming call control processing unit 8 so as to hold the same data.

Further, the data recovery processing unit 33 is activated by the incoming call control processing unit 8 and fetches update data from the incoming call receiving terminal of the transfer destination based on the recovery instruction information transmitted from the incoming call control processing unit 8.

In short, the ISDN communication control device 21 makes an incoming call request to a preset incoming call receiving terminal of one forwarding destination when the incoming call receiving terminal designated as the incoming call destination of the incoming call data is inoperable at the time of incoming call. To transfer. Further, the incoming call receiving terminal of the transfer source always exchanges data so that the incoming call receiving terminal of the transfer destination holds the same data. Further, the change from the inoperable state of the call receiving terminal of the transfer source to the operable state is detected, and the operable state is recorded in the operating state determination. Further, if it is recorded in the operation state determination of the call receiving terminal of the transfer source that the operation is possible, the update data is fetched from the call receiving terminal of the transfer destination.

As a result, when the incoming call receiving terminal designated as the incoming call destination of the incoming call data is in an inoperable state, the incoming call request can be forwarded to one forwarding destination incoming call receiving terminal selected in advance and communication can be performed. To do. In addition, the transfer-destination call-receiving terminal constantly exchanges data with the transfer-destination call-receiving terminal, so that the caller can receive the call without being aware of the transfer. In addition, it enables the detection of the change from the inoperable state of the transfer source call receiving terminal to the operable state, and when it becomes operable, the update data is fetched from the transfer destination call receiving terminal to the transfer source receiving terminal Subsequent incoming calls can be made to the terminal.

Next, an example of arbitrarily setting the incoming call control information will be described.

First, when all the incoming call receiving terminals connected to the ISDN communication control device 21 are in the inoperable state, the setting from the command when the incoming user busy is answered without performing the incoming call processing is continued in the following two lines. Shown in. #Wan datarecv no #wan datarecv machine all

The first line indicates that the incoming call reception process is not performed when the incoming call reception terminal is in the inoperable state, and the second line indicates that the incoming call reception terminals to be processed are all incoming calls connected to the ISDN communication control unit 21. Indicates a receiving terminal.

Note that no in the first line of the above command is set to yes.
When the value is changed to s, if all the incoming call receiving terminals are inoperable when receiving an incoming call, it can be set to perform incoming call processing as in the conventional case.

FIG. 6 shows the setting from the command for setting whether or not to perform the incoming call process when the incoming call receiving terminal connected to the ISDN communication control device 21 is in the inoperable state.

The first line indicates that the incoming call reception process is not performed when the incoming call reception terminal is in an inoperable state, and the second line indicates that the incoming call reception terminal to be processed by the command in the immediately preceding line is ISDN.
It indicates that the IP address connected to the communication control device 21 is the incoming call acceptance terminal of 515. The third line indicates that the incoming call reception process is performed when the incoming call reception terminal is in an inoperable state, and the fourth line indicates that the incoming call reception terminal to be processed by the command in the immediately preceding line is an IP connected to the ISDN communication control device 21.
This indicates that the address is the incoming call receiving terminal of 516.

Further, FIG. 8 shows the setting from the setting screen in the case where all the incoming call receiving terminals connected to the ISDN communication control unit 21 are in the inoperable state and the incoming user busy is answered without performing the incoming call processing. . In this example, when all the incoming call receiving terminals are in the inoperable state, the incoming call processing is set not to be performed. In addition, when deleting the setting of whether or not to perform the incoming call processing when all the incoming call receiving terminals are in the inoperable state, it can be deleted by selecting the setting deletion.

Further, FIG. 9 shows an example of setting from the setting screen whether or not to perform the incoming call process when the incoming call receiving terminal connected to the ISDN communication control device 21 is in the inoperable state. In this example, the incoming call receiving terminal with the IP address 515 is set not to perform incoming call processing, and the incoming call receiving terminal with the IP address 516 is set to perform incoming call processing.

Next, an example of arbitrarily setting the terminal control information will be described.

FIG. 7 shows a setting example from a command for setting a transfer destination when an incoming call request is transferred to another incoming call receiving terminal when the incoming call receiving terminal connected to the ISDN communication control device 21 is in an inoperable state. .

The first line indicates that when a specific incoming call receiving terminal is in an inoperable state, the incoming call request is transferred to another incoming call receiving terminal, and the second line indicates that the forwarding incoming call receiving terminal to be processed is ISDN communication. It shows that the IP address connected to the control device 21 is the incoming call acceptance terminal of 515. Three
In the second and fourth lines, there are two call receiving terminals of the transfer destination.
This indicates that there are two P addresses, 516 and 517.

Also, an example of setting from the setting screen for setting the forwarding destination when the incoming call request is transferred to another incoming call receiving terminal when the incoming call receiving terminal connected to the ISDN communication control device 21 is in an inoperable state Shown in 10. In this example, two transfer destination call receiving terminals with IP addresses 516 and 517 are set for the transfer source call receiving terminal with the IP address 515.

Next, the ISDN shown in FIG. 2 and FIG.
The processing procedure of the communication control device will be described.

FIG. 11 shows a flow chart of an embodiment of the present invention. In this example, when all incoming call receiving terminals are inoperable when receiving an incoming call, processing of the incoming call control processing unit 8 that does not perform incoming call processing and returns a response of the called user busy to the caller to prevent unnecessary charging Will be explained.

S01: Wait for transmission of an incoming call from the ISDN communication control processing unit 26.

S02: When the incoming call is transmitted, it is checked whether all incoming call receiving terminals connected to the ISDN communication control device 21 are operable.

S03: When both the LAN terminal 24 and the LAN terminal 25 connected to the ISDN communication control device 21 are inoperable, the process proceeds to S04. On the other hand, if both or both are operable, the process branches to S06.

S04: The incoming user busy is responded to the terminal 2 which is the source terminal without performing the incoming call processing.

S05: If the power supply of the ISDN communication control processing device 21 is cut off, the process is terminated, and if not cut off, the process returns to S01.

S06: The incoming call process to the incoming call receiving terminal designated as the incoming destination of the incoming call data is performed, and the process branches to the process of S05.

FIG. 12 shows a flow chart of an embodiment of the present invention. In this example, if all incoming call receiving terminals are inoperable, it is possible to set in advance whether or not to perform incoming call processing. The processing of the incoming call control processing unit 8 that returns a response of the called user busy to the caller without performing the processing or performs the incoming call processing will be described.

S21: The operator adds or deletes whether or not to perform the incoming call processing when all the incoming call acceptance terminals are inoperable. Then, the added incoming call control information is held in the storage unit 9a, and the deleted incoming call control information is stored in the storage unit 9a.
Delete from a and update.

S22: Wait for transmission of an incoming call from the ISDN communication control processing unit 26.

S23: When the incoming call is transmitted, it is checked whether all incoming call receiving terminals connected to the ISDN communication control device 21 are operable.

S24: When both the LAN terminal 24 and the LAN terminal 25 connected to the ISDN communication control device 21 are inoperable, the process proceeds to S25. On the other hand, if both can operate or one of them can operate, the process branches to S28.

S25: Referring to the incoming call control information, if it is set that the incoming call process is not performed when all the incoming call receiving terminals are inoperable, the process proceeds to S26, and if it is set to be performed Advances to the process of S28.

S26: The incoming user busy is returned to the terminal 2 which is the originator without performing the incoming call processing.

S27: When the power supply of the ISDN communication control processing device 21 is cut off, the process is ended, and when not cut off, the process returns to the process of S22.

S28: The incoming call processing to the incoming call receiving terminal designated as the incoming call destination of the incoming call data is performed, and the process branches to the process of S27.

FIG. 13 shows a flow chart of an embodiment of the present invention. In this example, it is possible to set in advance whether or not to perform incoming call processing when each incoming call receiving terminal is inoperable, and when the incoming call receiving terminal specified as the destination of incoming data at the time of an incoming call is in the inoperable state, The processing of the incoming call control processing unit 8 which returns the answer of the called user busy to the sender without performing the incoming call processing according to the setting or performs the incoming call processing will be described.

S41: Set the IP address of the incoming call receiving terminal to be processed added by the operator and incoming call control information indicating whether to perform incoming call processing when the incoming call receiving terminal is inoperable. Further, it deletes the IP address of the incoming call receiving terminal to be processed, which is deleted by the operator, and the incoming call control information indicating whether to perform incoming call processing when the incoming call receiving terminal is in an inoperable state. Then, the added or deleted incoming call control information is added to or deleted from the incoming call control information held in the storage unit 9a to update the incoming call control information.

S42: Wait for transmission of incoming call from the ISDN communication control processing unit 26.

S43: When the incoming call is transmitted, it is checked whether the incoming call receiving terminal designated as the incoming call destination of the incoming call data can operate.

S44: If the designated incoming call receiving terminal is inoperable, the process proceeds to S45. On the other hand, if the operation is possible, the process branches to S48.

S45: Referring to the incoming call control information, if it is set that the incoming call process is not performed when the incoming call receiving terminal is inoperable, the process proceeds to S46, and if it is set to be performed Advances to the process of S48.

S46: The incoming user busy is returned to the originating terminal 2 without performing the incoming call processing.

S47: If the power supply of the ISDN communication control processing device 21 is cut off, the process is terminated, and if not cut off, the process returns to S42.

S48: The incoming call process to the incoming call receiving terminal designated as the incoming call destination of the incoming call data is performed, and the process branches to the process of S47.

FIG. 14 shows a flow chart of an embodiment of the present invention. In this example, when the incoming call receiving terminal designated as the incoming call destination of the incoming call data is inoperable at the time of incoming call, the incoming call request is set in advance and communication is enabled using one forwarding destination incoming call receiving terminal, Allows the callee's call-receiving terminal to hold the same data as the callee's call-receiving terminal, allowing callers to receive calls without being aware of the transfer, and also allows the callee's call-receiving terminal to change from the inoperable state to the operable state. Described below is the processing of the incoming call control processing unit 8 which, when it becomes detectable and becomes operable, fetches the update data of the forwarding destination incoming call receiving terminal into the forwarding incoming call receiving terminal and enables subsequent incoming calls to the forwarding incoming call receiving terminal. To do.

S61: The IP address of the incoming call receiving terminal to be processed added by the operator and the two forwarding destination incoming call receiving terminals including the standby for forwarding the incoming call request when the incoming call receiving terminal is in the inoperable state. Set the terminal control information with the IP address. In addition, the IP address of the incoming call receiving terminal to be processed which is deleted by the operator, and the IP addresses of the two forwarding destination incoming call receiving terminals including the standby for forwarding the incoming call request when the incoming call receiving terminal is in the inoperable state, Delete the terminal control information of.

Next, referring to the terminal control information, the pair of IP addresses of the added incoming call receiving terminals to be processed is paired with 0, which indicates the initial state in the operation state determination, and IP address 1 and IP address 2. The selected terminal IP that sets the IP address of the incoming call receiving terminal that is determined to be the earliest possible by checking the operation availability of the set incoming call receiving terminal in order
The address, the synchronization instruction information for instructing constant data exchange, and the recovery instruction information for instructing the acquisition of the update data from the forwarding destination call receiving terminal are set. Then,
The set or deleted terminal control information is reflected in the terminal control information held in the storage unit 9b. Then, referring to the terminal control information, the synchronization instruction information set as a pair is transmitted to each incoming call receiving terminal which is a transfer source and is a processing target to instruct to always perform data exchange.

S62: Wait for incoming call transmission from the ISDN communication control processing unit 26.

S63: When the incoming call is transmitted, it is checked whether the incoming call receiving terminal designated as the incoming call destination of the incoming call data can operate.

S64: If the designated incoming call receiving terminal is inoperable, the process proceeds to S65. On the other hand, if the operation is possible, the process branches to S68.

S65: With reference to the terminal control information, the incoming call request is transferred to the incoming call receiving terminal of the selected terminal IP address paired with the terminal IP address that matches the IP address of the incoming call receiving terminal. After that, the operation state determination paired with the relevant terminal IP address in the terminal control information is set to be inoperable.

S66: By referring to the operation status judgments in the terminal control information in ascending order, if the operation is disabled, it is determined whether or not the incoming call receiving terminal designated by the IP address of the terminal IP address set in the pair can be operated. If it is checked, it is rewritten as "operable" if it is operable. Next, referring to the operation status judgment of the terminal control information in ascending order, if it is set to be operable, it is also set to the incoming call receiving terminal specified by the IP address of the terminal IP address set as a pair. The recovery instruction information is transmitted and instructed, and the update data is fetched from the transfer destination call receiving terminal designated by the selected terminal IP address that is also set in the pair, and the operation state determination that is described as operable is initially performed. Set 0 indicating the status.

S67: If the power supply of the ISDN communication control processing device 21 is cut off, the process is terminated, and if not cut off, the process returns to S62.

S68: The incoming call process to the incoming call receiving terminal designated as the incoming call destination of the incoming call data is performed, and the process branches to the process of S66.

The present invention, when receiving a call from the network,
If all incoming call receiving terminals or a specific incoming call receiving terminal specified as the destination of incoming data is inoperable,
Control incoming calls so that the sender does not have unnecessary charges. Also,
The present invention can be applied to a communication control device, a communication control method, and a program for realizing communication control that enable communication and improve operation when an incoming call receiving terminal designated as a destination of incoming data is in an inoperable state.

[0159]

According to the present invention, the following effects can be expected. When all incoming call receiving terminals connected to the communication control device at the time of incoming call are in an inoperable state, by returning a response without performing incoming call processing, unnecessary charging to the sender can be prevented. In addition, the sender knows from the response that communication is not possible and can stop communication.

When a specific incoming call receiving terminal designated as an incoming call destination of incoming call data is inoperable at the time of incoming call, a response is returned without performing incoming call processing, whereby unnecessary charging to the caller can be prevented. In addition, the sender knows from the response that he / she cannot communicate with the incoming call receiving terminal designated as the recipient, and can stop the communication.

When a specific incoming call receiving terminal designated as the incoming call destination of incoming data at the time of incoming call is inoperable, the incoming call request is forwarded to another incoming call receiving terminal previously designated as the forwarding destination to enable communication, In addition, the forwarding destination incoming call receiving terminal can hold the same data as the forwarding incoming call receiving terminal to enable incoming call reception without the transmission source being aware of the forwarding. By receiving the update data, the subsequent incoming call can be made to the forwarding call receiving terminal.

[Brief description of drawings]

FIG. 1 is a principle configuration diagram of the present invention.

FIG. 2 is a configuration diagram of an embodiment of the present invention.

FIG. 3 is a configuration diagram of an embodiment of the present invention.

FIG. 4 is a diagram of an embodiment of the present invention.

FIG. 5 is a diagram of an embodiment of the present invention.

FIG. 6 is a diagram of an embodiment of the present invention.

FIG. 7 is a diagram of an embodiment of the present invention.

FIG. 8 is a diagram of an embodiment of the present invention.

FIG. 9 is a diagram of an embodiment of the present invention.

FIG. 10 is a diagram of an embodiment of the present invention.

FIG. 11 is a flowchart of an embodiment of the present invention.

FIG. 12 is a flowchart of an embodiment of the present invention.

FIG. 13 is a flowchart of an embodiment of the present invention.

FIG. 14 is a flowchart of an embodiment of the present invention.

FIG. 15 is a configuration diagram of a conventional technique.

FIG. 16 is a flowchart of a conventional technique.

[Explanation of symbols]

1: Communication control device 2: Terminal 3: Network 4, 5: Incoming terminal 6: Communication control processing unit 7: Routing processing unit 8: Incoming call control processing unit 9: storage unit 10: Command 11: Setting screen 12: Data synchronization means 13: Data recovery means

   ─────────────────────────────────────────────────── ─── Continued front page    F term (reference) 5K030 HC04 HC14 HD01 HD06 JA07                       LB02                 5K033 AA04 BA04 BA08 CC01 DA06                       DB18                 5K034 DD01 EE13 FF02 GG04 HH01                       HH02 KK01 LL01                 5K101 KK20 LL03 MM04 NN48 RR22                       RR28 TT04 VV03

Claims (9)

[Claims] 1. When the incoming call is received, it is checked whether all incoming call receiving terminals connected to the communication control device are operable, and when all incoming call receiving terminals are in an inoperable state, the incoming call processing is not performed, and the originating terminal An incoming call control processing unit (8) that responds to the communication control device. 2. The incoming call control processing unit (8) sets in the incoming call control information whether or not to perform incoming call processing when all incoming call receiving terminals connected to the communication control device are in an inoperable state. , When all incoming call receiving terminals connected to the communication control device at the time of incoming call are checked for operation, and when all incoming call receiving terminals are in the inoperable state, the incoming call control information is referred to connect to the communication control device. If all incoming call receiving terminals are set to perform incoming call processing when they are in an inoperable state, incoming call processing is performed to the incoming call receiving terminal specified as the destination of the incoming call data, and the call is connected to the communication control device. 2. When all incoming call receiving terminals are set to not perform incoming call processing when they are in an inoperable state, incoming call processing is not performed, and means for responding to the caller terminal is provided. Communication control device. 3. The incoming call control processing unit (8) sets in advance in the incoming call control information whether or not to perform incoming call processing when the incoming call receiving terminal connected to the communication control device is in an inoperable state, When an incoming call arrives, the incoming call receiving terminal specified as the destination of the incoming call data is checked to see if it is inoperable, and if it is in an inoperable state, the incoming call control information is referred to and an incoming call is received if the relevant incoming call receiving terminal is in an inoperable state. If it is set to perform processing, it is set to perform incoming call processing to the incoming call receiving terminal specified as the destination of incoming data, and not perform incoming call processing when the incoming call receiving terminal is inoperable. The communication control device according to claim 1 or 2, further comprising a unit that responds to the caller terminal without performing incoming call processing. 4. The incoming call control processing unit (8) transfers identification information of one or a plurality of incoming call receiving terminals for forwarding an incoming call request when the incoming call receiving terminals connected to the communication control device are in an inoperable state. When the incoming call receiving terminal specified in the destination of the incoming call data is checked in advance when it is set as control information and it is in the inoperable state, refer to the terminal control information and set only one preset The communication control device according to any one of claims 1, 2, and 3, further comprising means for transferring an incoming call request to the selected incoming call receiving terminal of the forwarding destination. 5. The incoming call control processing unit (8) identifies one or a plurality of incoming call receiving terminals which forward the incoming call request when the incoming call receiving terminals connected to the communication control device are in an inoperable state, The synchronization instruction information for instructing constant data exchange is set in the terminal control information in advance, and the synchronization instruction information is transmitted to the incoming call receiving terminal of the transfer source by referring to the terminal control information at the time of start-up and set in advance. The communication control device according to claim 4, further comprising means for instructing to always perform data exchange with the incoming call receiving terminal of only one transfer destination selected. 6. The incoming call control processing section (8) automatically detects an event when an inoperable incoming call receiving terminal connected to a communication control device becomes operable, and terminal control information is detected. The communication control device according to claim 4 or 5, further comprising: a unit that records as operable in the operation state determination of the incoming call receiving terminal. 7. The incoming call control processing unit (8) identifies one or a plurality of incoming call receiving terminals which forward the incoming call request when the incoming call receiving terminals connected to the communication control device are in an inoperable state, Recovery instruction information for instructing the fetching of update data from the call receiving terminal of the transfer destination is preset in the terminal control information, and the operation status judgment of each call receiving terminal of the terminal control information is referred to and it is recorded as operable. 7. If any of the above is present, a means for transmitting and instructing recovery instruction information to instruct the relevant incoming call receiving terminal to fetch the update data from the incoming call receiving terminal of the transfer destination is provided. The communication control device according to item 1. 8. When the incoming call is received, it is checked whether all the incoming call receiving terminals connected to the communication control device are operable, and when all the incoming call receiving terminals are in the inoperable state, the incoming call processing is not performed and the calling terminal And a procedure for responding to the communication control method. 9. In a program for realizing communication control, the computer checks whether or not all incoming call reception terminals connected to the communication control device can operate when an incoming call arrives, and when all incoming call reception terminals are in an inoperable state. , A program that causes a caller terminal to execute a procedure for responding without performing incoming call processing.