Telephone system, call forwarding method, and program

Abstract

Make it possible to forward calls in a simple way. [Solution] A telephone system comprising: a line control unit 131 that forwards an incoming call received from a caller to a forwarding destination based on an operation by the caller or the recipient of the call; a reception unit 133 that receives a predetermined registration operation from the caller's terminal to register the forwarding destination while the caller and the forwarding destination are in a call; and a registration unit 134 that, upon receiving the registration operation, associates the caller's telephone number, which is the caller's telephone number, with the forwarding destination number, and registers them as a registered caller number and a registered forwarding destination number in a forwarding table used to forward the incoming call to the forwarding destination the next time an incoming call is received from the caller.

Description

Technical Field

[0001] The present invention relates to a telephone system, a telephone transfer method, and a program.

Background Art

[0002] There is known a private branch exchange that transfers an incoming call received to a destination terminal based on information input from the incoming call destination telephone terminal (see, for example, Patent Document 1).

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In the prior art, when an operator who is not used to handling telephones performs a transfer operation, there arises a problem that the burden of handling telephones increases. Also, in recent years, automatic call transfer has been performed, but there has been a problem that it places a burden on the administrator who manages the transfer settings.

[0005] Therefore, the present invention has been made in view of these points, and an object thereof is to enable telephone transfer in a simple manner.

Means for Solving the Problems

[0006] A telephone system 1 according to a first aspect of the present invention includes: a line control unit that forwards an incoming call received from a caller to a forwarding destination based on an operation by the caller or the recipient of the incoming call; a reception unit that receives a predetermined registration operation from the caller's terminal for registering the forwarding destination during a call between the caller and the forwarding destination; and a registration unit that, upon receiving the registration operation, associates the caller's telephone number, which is the caller's telephone number, with the forwarding destination number, and registers them as a registered caller number and a registered forwarding destination number in a forwarding table used to forward the incoming call to the forwarding destination the next time an incoming call is received from the caller.

[0007] The line control unit may refer to the transfer table and, if the caller's telephone number of the received incoming call matches the registered caller number registered in the transfer table, transfer the incoming call to the transfer destination corresponding to the registered transfer destination number associated with the registered caller number in the transfer table.

[0008] When the line control unit receives a predetermined forwarding operation for forwarding an incoming call from the reception unit, it may forward the incoming call to a forwarding destination corresponding to the registered forwarding destination number associated in the forwarding table with the registered caller number corresponding to the caller's telephone number of the received incoming call.

[0009] The reception unit may receive the registration operation, which further includes the operation content for receiving a transfer, and when the registration unit receives the registration operation, it may further associate the operation content with the registered caller number and the registered transfer destination number and store it in the transfer table.

[0010] In the transfer table, the registered caller number, a plurality of registered transfer destination numbers, and operation details for accepting transfers to each of the plurality of registered transfer destination numbers are associated, and when the line control unit receives a predetermined transfer operation for transferring an incoming call from the receiving unit, it may transfer the incoming call to the transfer destination corresponding to the registered caller number corresponding to the caller telephone number of the received incoming call and the operation details received, as associated in the transfer table with the registered transfer destination number.

[0011] In the forwarding table, the registered caller number, the registered forwarding destination number, and a flag indicating whether the registration of the registered caller number and the registered forwarding destination number is temporary are associated. If the line control unit receives an incoming call and the caller's telephone number and forwarding destination, and the flag associated with the registered caller number and the registered forwarding destination number in the forwarding table indicates that the registration is temporary, the line control unit may forward the incoming call to the forwarding destination corresponding to the registered forwarding destination number and then delete the registered caller number and the registered forwarding destination number from the forwarding table.

[0012] A second aspect of the present invention relates to an information processing method which includes the steps of: a computer performing the steps of forwarding an incoming call received from a caller to a forwarding destination based on an operation by the caller or the recipient who received the call; receiving a predetermined registration operation from the caller's terminal for registering the forwarding destination during a call between the caller and the forwarding destination; and, upon receiving the registration operation, associating the caller's telephone number, which is the caller's telephone number, with the forwarding destination number, and registering them as a registered caller number and a registered forwarding destination number in a forwarding table used to forward an incoming call to the forwarding destination when the caller is next received.

[0013] In a program according to a third aspect of the present invention, the computer is instructed to perform the following steps: forward an incoming call received from a caller to a forwarding destination based on an operation by the caller or the recipient who received the call; receive a predetermined registration operation from the caller's terminal for registering the forwarding destination while the caller and the forwarding destination are in a call; and, upon receiving the registration operation, associate the caller's telephone number, which is the caller's telephone number, with the forwarding destination number, and register them as a registered caller number and a registered forwarding destination number in a forwarding table used to forward the incoming call to the forwarding destination when the next incoming call is received from the caller. [Effects of the Invention]

[0014] According to the present invention, it is possible to transfer phone calls in a simple manner. [Brief explanation of the drawing]

[0015] [Figure 1] This is a diagram illustrating the outline of the telephone system S according to the embodiment. [Figure 2] This is a diagram showing the configuration of the telephone system S. [Figure 3] This figure shows an example of the data structure of the transfer table stored in the memory unit 12. [Figure 4] This is a sequence diagram illustrating the registration process for the transfer table of telephone system 1. [Figure 5] This is a sequence diagram illustrating the transfer process of the transfer table in telephone system 1. [Figure 6] This is a sequence diagram illustrating the transfer process of the transfer table in telephone system 1. [Figure 7] This figure shows an example of the data structure of the transfer table stored in the memory unit 12. [Figure 8] This figure shows an example of the data structure of the transfer table stored in the memory unit 12. [Figure 9] This is a flowchart showing the processing flow in telephone system 1.

Best Mode for Carrying Out the Invention

[0016] [Overview of Telephone System 1] FIG. 1 is a diagram for explaining the overview of the telephone system 1 according to the embodiment. The telephone system 1 is arranged in a network of a company or the like and relays or transfers external lines and internal lines. The telephone system 1 is, as an example, a main device of a private branch exchange or a business phone. The telephone system 1 is communicably connected to an internal telephone terminal 2 and an external telephone terminal 3 via a network.

[0017] The internal telephone terminal 2 is a telephone terminal housed in the telephone system 1. The internal telephone terminal 2 is assigned an internal line number, an external line number, or both so that telephone communication can be made by internal or external lines via the telephone system 1. The external telephone terminal 3 is a telephone terminal outside the network accommodated by the telephone system 1.

[0018] The outline of the processing of the telephone system 1 will be described. The telephone system 1 receives an incoming external line call from the external telephone terminal 3 (1 in FIG. 1). The telephone system 1, as an example, responds by automatic voice guidance and receives the designation of the internal line number of the transfer destination. Note that the telephone system 1 may receive the designation of the internal line number of the transfer destination from the internal telephone terminal 2. The telephone system 1 transfers the external line incoming call to the internal telephone terminal 2 (2 in FIG. 1).

[0019] The telephone system 1 receives a registration operation from the external telephone terminal 3 (Figure 1, (3)). The registration operation is an operation to register the forwarding destination in association with the caller's telephone number on the external telephone terminal 3. Details of the registration operation will be described later. When the registration operation is received, the telephone system 1 registers the caller's telephone number on the external telephone terminal 3 and the extension number of the internal telephone terminal 2, the forwarding destination, in the forwarding table (Figure 1, (4)). The forwarding table is a table used to forward incoming calls to the forwarding destination the next time an incoming call is received from the caller. By registering the caller's telephone number on the external telephone terminal 3 and the extension number of the internal telephone terminal 2, the caller who operates the external telephone terminal 3 next time will be able to easily communicate with the person they spoke to last time.

[0020] If the caller operating the external telephone terminal 3 attempts to make another call to the telephone system 1, the telephone system 1 accepts the incoming external call from the external telephone terminal 3 (Figure 1, (5)). The telephone system 1 refers to the call forwarding table and determines whether the caller's telephone number from the external telephone terminal 3 is registered in the call forwarding table (Figure 1, (6)). If it matches the caller's telephone number registered in the call forwarding table, the telephone system 1 forwards the received incoming call to the extension number corresponding to the caller's telephone number in the call forwarding table (Figure 1, (7)).

[0021] This configuration of telephone system 1 allows for easy call forwarding. Furthermore, by registering the forwarding destination through simple operations from the external telephone terminal that initiated the call, the administrator of telephone system 1 can reduce the effort required to manage the forwarding destinations.

[0022] [Configuration of Telephone System 1] Figure 2 is a block diagram showing the configuration of telephone system 1. Telephone system 1 includes a communication unit 11, a storage unit 12, and a control unit 13. The control unit 13 includes a line control unit 131, an automatic response unit 132, a reception unit 133, and a registration unit 134.

[0023] The communication unit 11 is a communication interface for sending and receiving data with other devices via a network. The storage unit 12 is a storage medium including ROM (Read Only Memory), RAM (Random Access Memory), SSD (Solid State Drive), hard disk drive, etc. The storage unit 12 pre-stores programs to be executed by the control unit 13.

[0024] The storage unit 12 stores the call forwarding table. Figure 3 shows an example of the data structure of the call forwarding table. In the call forwarding table, the caller's telephone number and the forwarding destination telephone number are associated. Hereinafter, the caller's telephone number and the forwarding destination telephone number stored in the call forwarding table may be referred to as the registered caller number and the registered forwarding destination number, respectively. Note that the registered forwarding destination number may include an external line number.

[0025] The control unit 13 is a processor, such as a CPU (Central Processing Unit). By executing the program stored in the memory unit 12, the control unit 13 functions as a line control unit 131, an automatic response unit 132, a reception unit 133, and a registration unit 134.

[0026] [Registration Process] The following describes the registration process for the call forwarding table of the telephone system 1, with reference to Figure 4. The line control unit 131 receives an incoming external call from the external telephone terminal 3 (S01). The automatic response unit 132 automatically answers the incoming external call (S02). As an example, in the automatic response, the automatic response unit 132 prompts the user to enter the extension number of the forwarding destination and plays a message guiding the user through the operation to register the forwarding destination for future calls. The reception unit 133 receives the forwarding destination specification from the external telephone terminal 3 (S03). Specifically, the caller operating the external telephone terminal 3 operates the external telephone terminal 3 and enters the extension number of the forwarding destination, and the reception unit 133 receives the entered extension number of the forwarding destination. The reception unit 133 may also receive the input of the extension number of the forwarding destination from the internal telephone terminal 2.

[0027] The line control unit 131 forwards the incoming call received from the caller to the forwarding destination based on the operation of the caller or the recipient of the call (S04). The line control unit 131 forwards the received incoming call to the internal telephone terminal 2 corresponding to the extension number entered in the external telephone terminal 3. The external telephone terminal 3 and the internal telephone terminal 2 become able to communicate (S05).

[0028] The reception unit 133 accepts registration operations from the caller's terminal while the caller and the forwarding destination are in a call (S06). One example of a forwarding destination registration operation is pressing the "#" button on the external telephone terminal 3 between the completion of the incoming call forwarding process and the disconnection of the call. The registration operation can be any operation that can be entered on the telephone and is distinguishable from an extension number input operation. For example, the registration operation may be the input of a predetermined combination of numbers (e.g., "0000").

[0029] When the registration unit 134 receives a registration operation, it associates the caller's telephone number, which is the caller's telephone number, with the forwarding destination number and registers them in the forwarding table as the registered caller number and registered forwarding destination number (S07).

[0030] With telephone system 1 configured in this way, it becomes possible to transfer calls in a simple manner.

[0031] [Transfer process using a transfer table] Next, the call forwarding process in the telephone system 1 using the call forwarding table will be explained with reference to Figure 5. The line control unit 131 receives an incoming call from an external line (S101). The line control unit 131 refers to the call forwarding table and determines whether the caller's telephone number of the received incoming call matches a registered caller number registered in the call forwarding table (S102).

[0032] The automated response unit 132 plays a voice guidance message, including the instruction to forward the call to a pre-registered forwarding destination, if the caller's telephone number of the received incoming call matches a registered caller number registered in the forwarding table (S103). The line control unit 131 forwards the incoming call to the forwarding destination corresponding to the registered forwarding destination number associated with the registered caller number in the forwarding table, if the caller's telephone number of the received incoming call matches a registered caller number registered in the forwarding table (S104). This enables communication between the external telephone terminal 3 and the internal telephone terminal 2 (S105).

[0033] If the caller's phone number of an incoming call received by S102 does not match a registered caller's number registered in the forwarding table, the telephone system 1 prompts the user to enter the extension number of the forwarding destination and plays a message guiding them through the process of registering the forwarding destination for future calls.

[0034] In this way, the automated response unit 132 is configured to change the message played depending on whether or not the caller's phone number is registered in the transfer table, making it possible for the caller operating the external telephone terminal 3 to transfer the call without having to listen to any unnecessary guidance.

[0035] Figure 5 illustrates an example where, upon answering an incoming call, the call forwarding table is referenced and the call is forwarded if it matches the caller's phone number and registered caller ID. However, the telephone system 1 may also be configured to forward the call based on the forwarding table when the caller initiates a call forwarding operation. An example of this case will be explained with reference to Figure 6.

[0036] The line control unit 131 receives an incoming external call (S201). The line control unit 131 refers to the call forwarding table and determines whether the caller's telephone number of the received incoming call matches a registered caller number registered in the call forwarding table (S202). If the caller's telephone number of the received incoming call matches a registered caller number registered in the call forwarding table, the automatic response unit 132 responds to the incoming call received by the line control unit 131 and plays a voice guidance message including that the call can be forwarded to a pre-registered forwarding destination by performing a forwarding operation (S203). One example of a forwarding operation is pressing the "#" button on the telephone while the automatic response unit 132 is responding. The forwarding operation, like the registration operation, can be any operation that can be entered on the telephone and is distinguishable from an extension number input operation.

[0037] The caller operating the external telephone terminal 3 performs a call forwarding operation on the external telephone terminal 3, and the reception unit 133 accepts the call forwarding operation (S204). When the reception unit 133 accepts the call forwarding operation, the line control unit 131 forwards the call to the forwarding destination corresponding to the registered forwarding destination number associated in the forwarding table with the registered caller number corresponding to the incoming caller's telephone number (S205). The external telephone terminal 3 and the internal telephone terminal 2 become able to communicate (S206).

[0038] If the caller's phone number of the incoming call received in S202 does not match the registered caller number registered in the forwarding table, or if the forwarding operation is not performed in S204, the automatic response unit 132 may play a message prompting the user to enter the extension number of the forwarding destination and guiding them through the operation to register the forwarding destination for future calls.

[0039] With the telephone system 1 configured in this way, callers can easily choose whether or not to forward their calls to pre-registered destinations. For example, if a caller using an external telephone terminal 3 has multiple potential destinations within the same organization, automatically forwarding the call may reduce the caller's convenience. In such cases, it becomes possible to register frequently used destinations in a forwarding table and use the forwarding table to forward calls, while for less frequently used destinations, the caller can manually enter the destination without using the forwarding table, thereby improving the caller's convenience.

[0040] By the way, in the example above, we explained how registering a forwarding destination and forwarding a call can be done with simple operations by establishing a one-to-one correspondence between the caller's telephone number and the forwarding destination. However, there are cases where a caller wants to speak with multiple destinations connected to the telephone system. In that case, the telephone system 1 may be configured to allow the registration of multiple forwarding destinations for a single caller's telephone number. In this case, the forwarding table may be configured to further include details of the forwarding operation to distinguish between the multiple forwarding destinations.

[0041] The reception unit 133 accepts a registration operation that further includes the operation details for accepting a call forwarding. In this case, the registration operation may, for example, involve entering a number to identify the forwarding destination (e.g., "01") along with "#". In this case, the message played in S02 in Figure 4, which guides the user through the operation to register the forwarding destination for future calls, may include text indicating, for example, pressing the "#" button on the external telephone terminal 3 along with a number to distinguish the forwarding destination.

[0042] When the registration unit 134 receives a registration operation, it further associates the operation details with the registered caller number and registered forwarding destination number and stores them in the forwarding table. Figure 7 shows an example of the forwarding table in this case. In this case, the forwarding table includes an "Operation" item. "Operation" indicates the details of the operation necessary to forward to each registered forwarding destination number, as received by the reception unit 133 when the registration operation is received.

[0043] The following describes the call forwarding process when multiple forwarding destinations are registered for a single caller's telephone number. In this case, when the operator operating the external telephone terminal 3 performs a call forwarding operation that includes inputting the forwarding destination number, the reception unit 133 receives the call forwarding operation, including inputting the forwarding destination number, in S203 as shown in Figure 6.

[0044] When the reception unit 133 receives a call forwarding request, the line control unit 131 refers to the call forwarding table and determines whether a forwarding destination corresponding to the caller's telephone number and the received operation (the number entered in the external telephone terminal 3) is registered. If a forwarding destination corresponding to the caller's telephone number and the received operation is registered in the call forwarding table, the call is forwarded to the forwarding destination corresponding to the registered caller number and the received operation that are associated in the call forwarding table.

[0045] By configuring the telephone system 1 to allow registration of multiple forwarding destinations, if a caller may have the opportunity to speak with multiple people belonging to the organization corresponding to the telephone number they dialed, they can easily speak with the desired person from among those multiple people.

[0046] Incidentally, if the forwarding number of the person to be called is registered for a temporary purpose, it is assumed that the forwarding will no longer be necessary once the purpose is fulfilled. Therefore, the telephone system 1 may be configured to manage a flag in the forwarding table indicating whether or not the registration is temporary, and to delete the registration of a forwarding destination from the forwarding table after a predetermined period has elapsed since registration if it is registered as a temporarily registered forwarding destination. In this case, the reception unit 133 accepts a registration operation that includes an operation to determine whether or not the registration of the forwarding destination is temporary.

[0047] In this case, the forwarding table associates the registered caller number, the registered forwarding destination number, and a flag indicating whether the registration of the registered caller number and registered forwarding destination number is temporary. Figure 8 shows an example of the data structure of the forwarding table stored by the storage unit 12 in this case. In the forwarding table shown in Figure 8, "registration date and time" and "temporary flag" are managed. "Registration date and time" is the date and time when the combination of the registered caller number and the registered forwarding destination number was registered in the forwarding table. "Temporary flag" indicates whether the registration of the registered forwarding destination number is temporary.

[0048] The registration unit 134 deletes the registration of the combination of registered caller number and registered forwarding number from the forwarding table when a predetermined period has elapsed since the registration date and time. The predetermined period is determined based on the period during which the registered data is no longer needed. For example, the predetermined period may be one week or one month. By configuring the system to delete the registration of the combination of registered caller number and registered forwarding number from the forwarding table when a predetermined period has elapsed, it is possible to prevent the system from storing unnecessary data, and for example, it is possible to prevent accidental forwarding due to the caller forgetting that they are registered in the forwarding table.

[0049] For example, if a caller who was unable to answer a call due to the forwarding destination's circumstances calls back to the same destination after some time, it is more convenient for the caller if they can use the forwarding table just once. If the line control unit 131 receives a caller's telephone number and a flag associated with the registered caller number and registered forwarding destination number in the forwarding table that indicates the call is temporarily registered, it may delete the registered caller number and registered forwarding destination number from the forwarding table after forwarding the call to the forwarding destination corresponding to the registered forwarding destination number. If the temporary flag indicates a temporary registration, and the reception unit 133 receives another registration operation after forwarding to the registered forwarding destination number, the line control unit 131 may be configured not to delete the registered caller number and registered forwarding destination number from the forwarding table. This configuration makes it possible to maintain the registration in the forwarding table even if a second call is made.

[0050] By configuring the telephone system 1 to allow registration of temporary forwarding destinations, it becomes possible to reduce the effort required when redialing and to prevent incorrect forwarding in subsequent calls.

[0051] [Processing flow in telephone system 1] Figure 9 is a flowchart showing the processing flow in telephone system 1. The line control unit 131 receives an incoming call (S301). The line control unit 131 refers to the transfer table and determines whether the caller's telephone number of the received incoming call matches the registered caller number in the transfer table (S302).

[0052] If the caller's phone number of the received incoming call matches the registered caller number in the call forwarding table (YES in S302), the automatic response unit 132 plays a message that includes answering the incoming call and forwarding the call (S303). The line control unit 131 forwards the call to the registered forwarding destination number in the call forwarding table that is associated with the registered caller number corresponding to the caller's phone number of the received incoming call (S304). Then, the telephone system 1 proceeds to S310.

[0053] If the caller's phone number of the received incoming call does not match the registered caller's number in the call forwarding table (NO in S302), the automatic response unit 132 prompts the user to enter the extension number of the forwarding destination and plays a message instructing them on how to register the forwarding destination for future calls (S305). The reception unit 133 receives the input of the forwarding destination from the external telephone terminal 3 (S306). The line control unit 131 forwards the call to the entered forwarding destination (S307).

[0054] The registration unit 134 determines whether or not the registration operation has been accepted (S308). If the registration operation is not accepted (NO in S308), the telephone system 1 proceeds to S310. If the registration operation is accepted (YES in S308), the registration unit 134 associates the caller's telephone number with the forwarding destination and registers it in the forwarding table (S309).

[0055] The line control unit 131 determines whether or not a call termination operation has been performed (S310). If a call termination operation has been performed (YES in S310), the line control unit 131 disconnects the call (S311), and the telephone system 1 terminates processing.

[0056] Although the present invention has been described above using embodiments, the technical scope of the present invention is not limited to the scope described in the above embodiments, and various modifications and changes are possible within the scope of its gist. For example, all or part of the apparatus can be configured by functionally or physically distributing and integrating in any unit. Furthermore, new embodiments resulting from any combination of multiple embodiments are also included in the embodiments of the present invention. The effects of the new embodiments resulting from the combinations are combined with the effects of the original embodiments. [Explanation of symbols]

[0057] 1. Telephone system 2 Internal telephone terminals 3. External telephone terminal 11 Communications Department 12 Storage section 13 Control Unit 131 Circuit Control Unit 132 Automated Response Unit 133 Reception Department 134 Registration Department

Claims

1. A line control unit that forwards an incoming call received from a caller to a forwarding destination based on an operation by the caller or the recipient who received the call, During a call between the caller and the forwarding destination, a reception unit receives a predetermined registration operation from the caller's terminal to register the forwarding destination. A registration unit, upon receiving the registration operation, associates the caller's telephone number, which is the caller's telephone number, with the forwarding destination number, and registers them as the registered caller number and registered forwarding destination number in a forwarding table used to forward incoming calls from the caller to the forwarding destination when the caller is next received. A telephone system that has [a certain feature].

2. The line control unit refers to the transfer table and, if the caller's telephone number of the received incoming call matches the registered caller's number registered in the transfer table, transfers the incoming call to the transfer destination corresponding to the registered transfer destination number associated with the registered caller's number in the transfer table. The telephone system according to claim 1.

3. When the line control unit receives a predetermined transfer operation for transferring an incoming call from the reception unit, it transfers the incoming call to the transfer destination corresponding to the registered transfer destination number associated in the transfer table with the registered caller number corresponding to the caller's telephone number of the received incoming call. The telephone system according to claim 2.

4. The reception unit accepts the registration operation, which further includes the operation content for accepting a transfer. When the registration unit receives the registration operation, it further associates the operation details with the registered caller number and the registered forwarding destination number and stores them in the forwarding table. The telephone system according to claim 1.

5. In the aforementioned transfer table, the registered caller number, a plurality of the registered transfer destination numbers, and the operation details for accepting transfers to each of the plurality of the registered transfer destination numbers are associated with each other. When the reception unit receives a predetermined transfer operation for transferring an incoming call, the line control unit transfers the incoming call to the transfer destination corresponding to the registered caller number corresponding to the caller's telephone number of the received incoming call and the registered transfer destination number associated in the transfer table with the received operation details. The telephone system according to claim 1.

6. In the aforementioned forwarding table, the registered caller number, the registered forwarding destination number, and a flag indicating whether the registration of the registered caller number and the registered forwarding destination number is temporary are associated. If the line control unit receives an incoming call and the caller's telephone number and the forwarding destination, and the flag associated with the registered caller number and the registered forwarding destination number in the forwarding table indicates that the flag is a temporary registration, the unit forwards the incoming call to the forwarding destination corresponding to the registered forwarding destination number, and then deletes the registered caller number and the registered forwarding destination number from the forwarding table. The telephone system according to claim 1.

7. A computer executes The steps include: forwarding an incoming call received from a caller to a forwarding destination based on an operation by the caller or the recipient who received the call; During a call between the caller and the forwarding destination, the caller's terminal receives a predetermined registration operation for registering the forwarding destination. When the registration operation is received, the caller's telephone number, which is the caller's telephone number, and the forwarding destination number are associated and registered as the registered caller number and registered forwarding destination number in the forwarding table used to forward incoming calls from the caller to the forwarding destination when an incoming call is received from the caller. A telephone forwarding method having the following features.

8. On the computer, The steps include: forwarding an incoming call received from a caller to a forwarding destination based on an operation by the caller or the recipient who received the call; During a call between the caller and the forwarding destination, the caller's terminal receives a predetermined registration operation for registering the forwarding destination. When the registration operation is received, the caller's telephone number, which is the caller's telephone number, and the forwarding destination number are associated and registered as the registered caller number and registered forwarding destination number in the forwarding table used to forward incoming calls from the caller to the forwarding destination when an incoming call is received from the caller. A program to execute.

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