JP2010087678A - Information origination system for outbound service and communication channel allocation method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To equalize the total channel occupancy time among tasks when performing the plurality of tasks whose contents are to transmit information to a plurality of registered transmission destinations using a communication channel. <P>SOLUTION: For each task, IVR flow indicating the number of the transmission destinations, channel using conditions, the total channel occupancy time and the transmission is to be started from what time and by what control procedure is recorded in correspondence in a task storage part 122. A task-transmission destination determination part 123 determines the task of the relatively short total channel occupancy time as the transmission task from the plurality of tasks to be performance objects and determines the number of the transmission for the number of the communication channels usable for the transmission task on the basis of the number of the transmission destinations and the channel using conditions. A transmission control part 111 controls information transmission for the determined number of the transmission. Also, the total channel occupancy time required for the information transmission is measured and a measured result is added to the recorded total channel occupancy time. Thus, the dispersion of the total channel occupancy time is eliminated. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an information transmission system and a communication line allocation method for an outbound service for transmitting information to the outside, for example, for telemarketing, sales, customer acquisition, various reminders, national politics, and the like.

  There is an increasing need for a change from an inbound service that mainly accepts information from outside, such as a call center, to an outbound service that sends information to the outside. An example of introducing this outbound service in an existing call center is increasing. Recently, in consideration of the cost increase, an outbound service system that performs a service from a service mediated by a conventional operator to an automatic response has been studied, and each company does not have such a system individually, but “SaaS (Software As a Service), a service that allows a single system to be shared by multiple tenants has also appeared.

  For example, Patent Document 1 discloses an outbound system in which both a service provider providing a voice notification service and a service user using a voice service can generate an IVR (Interactive Voice Response) flow via an Internet browser. Is disclosed. Further, in Patent Document 2, processing used in IVRs of a plurality of types of services is converted into parts, and IVR flow definition data obtained by combining a plurality of these parts is stored in a database for various IVRs. A voice reception / notification device is disclosed that enables the IVR of this service to be realized on a single information processing system.

By the way, there are roughly two types of SaaS outbound services.
One is a service form called a guarantee type, and each tenant makes a contract to occupy a line. The other is a service configuration called the best effort type, where all lines are shared by multiple tenants. In the case of a guaranteed service type, if the tenant does not use his own occupied line, it becomes an unused line and waste occurs, whereas the best effort type of service form has multiple lines. Since it is shared by tenants, the occurrence of unused lines can be prevented. Therefore, at present, the best-effort type is becoming mainstream.

  In the best-effort service mode, it is desirable to allocate lines equally for each tenant. As control methods therefor, there are a control method using the number of lines and a control method using the number of outgoing calls.

  The control method using the number of lines is a method for performing line allocation based on the number of lines actually used. However, since the number of lines is an integer, depending on the number of tenants, it may not be possible to allocate evenly. For example, if all the lines are 5 lines and the number of tenants is 3, if an attempt is made to allocate the number of lines equally, each tenant becomes 1.66, and the allocation becomes impossible.

On the other hand, the control method using the number of outgoing calls is a method of performing line allocation based on the number of outbound services, that is, the number of outgoing calls. In this control method, since the number of outgoing calls is used as a reference, the number of outgoing calls will be evenly allocated to each tenant, but if there is a large difference between the tenants in the processing time for one outgoing call, In terms of total line occupancy time, which is the time that the line is occupied, inequality occurs.
In connection with this point, a technique for allocating lines so as to keep the progress of a plurality of existing services constant has also been proposed. For example, Patent Document 3 discloses an information processing system that collects questionnaires by outbound, and the telephone questionnaire support server calculates the progress of the telephone call processing performed by the CTI server. A technique is disclosed in which the time distribution for making a telephone call is made uniform by extracting the destination information of the telephone.
JP 2002-009975 A JP 2001-298540 A JP 2004-304353 A

  In the conventional outbound systems represented by Patent Documents 1 to 3, the line allocation when communication lines are crowded is unequal when attention is paid to the line occupation time even though the tenant pays the same fee. Become. For example, if the processing time of tenant A and tenant B is 1 minute, and the processing time of tenant C is 3 minutes, if there are five destinations, the time for occupying the line for tenant A and tenant B is 5 In contrast to ten minutes, tenant C has 15 minutes. This is extremely unequal.

  In view of the above points, the present invention provides a mechanism for preventing inequalities in the use of communication lines between tenants when a plurality of communication lines are shared by a plurality of tenants and information transmission is automated. The realization is the subject.

The present invention regards an outbound service performed by a tenant as a task, and information transmission system and communication for the outbound service that prevents inequality between tenants by equalizing the total line occupation time by executing the task The above problem is solved by a line allocation method.
The information transmission system of the present invention is a system capable of executing a plurality of tasks each of which includes receiving communication line assignments and transmitting information to a plurality of registered transmission destinations. For each, add the number of destinations, the line usage status of all reserved communication lines, the information transmission flow that defines the automatic response procedure with the destinations, and the line occupation time due to the use of communication lines Recording means for associating the total line occupation time recorded in a predetermined storage device, and a task having a relatively short total line occupation time recorded in the storage device among a plurality of tasks to be executed The number of outgoing calls corresponding to the number of communication lines that can be used for the outgoing call task is determined based on the number of destinations and the usage status of the line, and is associated with the determined outgoing task. A task / destination determination unit that acquires the information transmission flow from the storage device, and information transmission for the determined number of transmissions according to the information transmission flow acquired by the task / destination determination unit, thereby transmitting the information Control means for measuring the total line occupation time required for the transmission and adding the measurement result to the total line occupation time recorded in the storage device in association with the transmission task.

  In this information transmission system, a task with a relatively short total line occupation time is determined as a transmission task among a plurality of tasks to be executed, and the number of transmissions corresponding to the number of usable communication times is determined. Communication lines are allocated so that there is no variation in the total line occupation time. After the task is executed, the total line occupation time increases, so there is no task with a short total line occupation time. Furthermore, since transmission is controlled according to the information transmission flow, information transmission according to the content of the task desired by the tenant can be performed.

In one embodiment, the task / destination determination unit specifies the number of usable lines based on the line use status recorded in the storage device, and uses the number of registrations for all tasks to be executed. The information transmission system is configured to determine the plurality of tasks as the transmission tasks in a predetermined order until the total number of remaining transmissions after subtracting the number of transmissions exceeds the number of usable lines.
In this aspect, it is possible to prevent the usable line from being unused, and to avoid a reduction in the operation rate of the communication line. In this aspect, when the number of usable lines exceeds the number of remaining calls, the task / destination determining means compares the total line occupation times for all tasks, and compares the total line with the shortest total number at that time. By configuring the occupation time task to be determined as the outgoing task, even when there are not enough communication lines required to execute the task, it is possible to speed up the situation where the total line occupation time between tasks becomes different. Can be avoided.

In one embodiment, the information transmission system further includes an answer management unit that receives an answer from a transmission destination for the execution of the transmission task and records the received answer in association with the content of the transmitted information in the storage device To do.
In this aspect, since the content of the transmitted information and the answer are recorded in association with each other, the outbound service can be smoothly implemented.

  The communication line allocating method of the present invention is the communication by the control means for controlling the execution of a plurality of tasks, each of which receives a communication line allocation and transmits information to a plurality of registered destinations. A method for allocating lines, and for each of a plurality of tasks to be executed, information transmission that specifies the number of destinations, the line usage status of all reserved communication lines, and the automatic response procedure with the destinations The total line occupancy time obtained by adding the flow and the line occupancy time due to the use of the communication line is associated and recorded in a predetermined storage device, and the plurality of tasks are recorded in the storage device A task having a relatively short total line occupation time is determined as a transmission task, and the number of transmissions corresponding to the number of communication lines that can be used for the transmission task is based on the number of destinations and the line usage status Determining and acquiring from the storage device an information transmission flow associated with the determined transmission task, and controlling information transmission for the determined number of transmissions according to the acquired information transmission flow, thereby enabling information transmission Measuring a total line occupancy time required, and adding the measurement result to the total line occupancy time recorded in the storage device in association with the transmission task. is there.

  According to the present invention, the outbound service entrusted by the tenant is grasped as a task, and the communication line is allocated (used) so that the total line occupation time of each task approaches evenly. Even in the case of adopting the form, there is an effect that inequality does not occur between tenants.

  Hereinafter, the present invention refers to a request for information transmission and automatic response for questionnaires and the like entrusted by a plurality of tenants who have signed a contract for sharing a plurality of communication lines (hereinafter may be simply referred to as “lines”). Each embodiment is regarded as a task, and an example of an embodiment when applied to an outbound service system that performs two-way communication with public telephones (fixed telephones, mobile phones, etc.) of many customers by executing these tasks is described. To do.

[Outbound service system configuration]
FIG. 1 is an overall configuration diagram of an outbound service system according to the present embodiment. This outbound service system 1 includes a plurality of information terminals 20a, 20b, 20c (hereinafter collectively referred to as information terminals 20) provided in tenants A, B, C entrusting tasks, and a plurality of questionnaires and the like. An information transmission system 10 that communicates with telephones (fixed telephones, cellular phone radios, etc.) 30a, 30b, 30c (hereinafter collectively referred to as telephone 30) provided to each customer through public lines L1, L2. Consists of including.

  The information transmission system 10 includes a transmission server 11, a task transmission controller 12, and a Web server 13. The transmission server 11 and the Web server 13 are computers having a server function, and the task transmission controller 12 is a computer having a large-capacity storage device, and each computer reads and executes a predetermined computer program, whereby each computer Are operated as control means for information processing or various function realizing means.

In the present embodiment, the transmission server 11 is operated as a transmission control unit 111 that performs transmission control for the telephone 30. Further, the Web server 13 is operated as a task setting unit 131 that accepts task settings from the information terminal 20. Furthermore, the task transmission controller 12 is operated as the registration receiving unit 121 and the task / destination determination unit 123, and the task storage unit 122 and the log storage unit 124 are constructed in the large-capacity storage device.
Here, an example in which the information transmission system 10 is configured by three types of computers is shown, but the information transmission system 10 can be realized by realizing the control means or various function realizing means by a single computer. It may be configured.

  The task storage unit 122 is a type of database constructed in a large-capacity storage device, a task registration table for registering task information entrusted by a tenant, and a task progress for recording information on the execution progress of each task A table, a destination management table for recording customer information including a destination address (a telephone number in this example), and an available line management table for recording a line securing status and usage status are stored. The contents of the various tables stored in the task storage unit 122 are as follows.

  FIG. 2 shows an example of the contents of the task registration table. In the task registration table 200, for each task, a task ID area 201 for recording a task ID for identifying the task, and a call for recording a plurality of registered destinations (how many customers to call) A destination area 202, a time area 203 for recording the start time of an IVR flow as an example of an information transmission flow, a type area 204 for recording a scenario type of the IVR flow, and other areas 205 are formed. IVR is an abbreviation for “Automatic Voice Response System”. For example, a scenario such as “Please press the first button if you are applicable to ○○” is played back by voice, and the response with the customer at the destination is automatically sent. Represents a system to do or do. The IVR flow is a type of control information that can be read by a computer. The IVR flow describes the start time of automatic voice response performed with a destination and the control procedure thereof.

  FIG. 3 shows an example of the contents of the task progress table. The task progress table 210 includes a task ID area 211 for recording a task ID, a total line occupied time area 212 for recording the total line occupied time (total line occupied time) when each task is executed, Line usage status area 213 indicating the number of lines used, outgoing number area 214 for recording the number of outgoing calls already processed, and the number of outgoing outgoing calls already subtracted from the number of registered destinations A remaining transmission number area 215 for recording the remaining transmission number is formed.

  FIG. 4 shows an example of the contents of the usable line management table. The usable line management table 220 includes a maximum number of lines area 221 for recording the total number of lines (maximum number of lines) secured by the information transmission system 10, and the number of lines used by all tasks (in use). An in-use line number area 222 for recording the number of lines) is formed.

  FIG. 5 is a destination management table. For each task, the transmission destination management table 240 has a task ID area 241 for recording a task ID for identifying the task, a transmission destination area 242 for recording a destination address, for example, a telephone number, and a transmission. A question number area 243 for recording a tag for identifying whether or not the processing such as a question has been completed is formed.

  The log storage unit 124 is a database for the transmission server 11 to receive an answer from a transmission destination with respect to the question at the time of task execution and record this as a log. FIG. 6 shows an example of the contents of the log storage unit 124. In this example, logs are recorded in the same table format as the various tables described above. Therefore, a task ID area 231 for recording a task ID, a transmission destination area 232 for recording a transmission destination address, a question number area 233 for recording a question number for identifying the contents of a questionnaire question, A questionnaire result area 234 for recording a questionnaire result or the like as an answer example is formed. Since there is a possibility of obtaining a plurality of questionnaire results in one IVR flow, a question number is required.

Each part of the information transmission system 10 operates as follows.
The outgoing call control unit 111 controls the automatic outgoing call response according to the IVR flow, that is, assigns an available line to the destination telephone 30, calls the telephone number of the telephone 30 to establish communication, and operates the telephone 30. A voice processing means (not shown) is activated to respond to the customer to be automatically controlled according to the scenario included in the IVR flow.

  The transmission control unit 111 also measures the time required from the information transmission to the end of the automatic response according to the IVR flow using the time measuring mechanism of the transmission server 11, and the measurement result as an increment of the total line occupation time, It also has a function of recording in the total line occupation time area 212 of the task progress table 210 of the task storage unit 122 and a function of updating the contents of the usable line management table 220 of the task storage unit 122 at the time of line allocation.

  The task / destination determination unit 123 includes a task to be transmitted (transmission task) out of a plurality of tasks to be executed entrusted through the information terminals 20 of the tenants A, B, and C, and the transmission task. And the IVR flow is acquired from the task registration table 200 based on the task ID of the determined outgoing task, and the telephone numbers corresponding to the number of outgoing calls are acquired from the destination management table 240. This is transmitted to the transmission control unit 111. The destination telephone number may be acquired from an external database (not shown).

  The task / destination determination unit 123 determines the number of outgoing tasks and the number of outgoing calls so that the total line occupation times of all tasks are substantially equal. For example, referring to the IVR flow of each task, it is periodically checked whether there is a task that has reached the start time. If there is a task that has reached the start time, the processing time of the task and the number of lines that can be used If the number of lines can be secured during each processing time, the number of destinations registered for the task is determined as the outgoing task and the number of outgoing calls, and together with the IVR flow and the destination telephone number, the outgoing call control unit 111 To communicate.

On the other hand, if there are a plurality of tasks that have reached the start time and the number of outgoing calls for each task increases, and the number of usable lines is insufficient, the total line occupation time recorded in the task progress table 210 is relative. The destination of a task with a short time and / or a task with a short processing time is determined as the destination of the next outgoing task, and the number of outgoing calls corresponding to the number of lines available for the outgoing task is determined and determined. The IVR flow associated with the outgoing task is acquired from the task progress table 210. Then, the determined call task is transmitted to the call control unit 111 together with the IVR flow and the call destination telephone number.
As a result, for example, a task with a total line occupation time of 15 minutes over a task with a total line occupation time of 20 minutes, or a task with a processing time of 1 minute over a task with a processing time of 3 minutes gives priority to the next transmission. It becomes easy to be determined as a task, and the total line occupation time can be made closer to all tasks equally.

  The total line occupancy time is obtained by updating (adding) the increment of the line occupancy time sent from the transmission control unit 111 as a new line occupancy time of the task every time a task is executed. Time data recorded in the total line occupation time area 212 of 210. The usable line number is numerical data obtained by subtracting the numerical value recorded in the used line number area 222 from the numerical value recorded in the maximum circuit number area 221 of the usable line management table 220.

In the task / destination determination unit 123, when the number of available lines is sufficient, that is, until the total number of remaining outgoing calls for all tasks to be executed exceeds the number of available lines, It is determined as a transmission task in a predetermined order. The “predetermined order” may be, for example, the order in which task information is registered from the tenant, and is the shortest total line occupancy time or processing time among several outgoing number tasks that do not satisfy the registered number or the remaining outgoing number. It may be in task order.
Then, when the number of available lines exceeds the remaining number of outgoing calls, the total line occupied times for all tasks are compared, and the task with the shortest total line occupied time at that time is determined as the next outgoing task at that time. Determine as. In this case, the length of the processing time may be taken into consideration. In this way, it is possible to prevent a variation in the total number of occupation times at a relatively early stage.

  The task setting unit 131 performs processing for setting and registering task information entrusted by the tenant in the information transmission system 10. Specifically, the task information input from the tenant through the GUI of the information terminal 20 is received through the public line L1, and the received task information is transmitted to the task reception unit 121. The task information includes at least the above “number of destinations” and the “IVR flow” that defines the procedure for automatic voice response between the destinations.

  The registration receiving unit 121 is for registering (recording) the task information transmitted from the task setting unit 131 in the task registration table 200 of the task storage unit 122.

  The transmission server 11 has a function of receiving an answer from the transmission destination for the execution of the transmission task after the automatic response control by the transmission control unit 111 and recording the received response in the log storage unit 24 in association with the content of the transmitted information. Have. The transmission server 11 when realizing this function operates as an answer management means.

[Operation of information dispatch system]
Next, the operation of the information transmission system 10 configured as described above will be described. 7 to 9 are explanatory diagrams of procedures performed in the information transmission system 10.

[Register task]
With reference to FIG. 7, the information transmission system 10 first receives the task information input from the information terminal 20 by the task setting unit 131 (step S1). The task information is registered in the task registration table 200 of the task storage unit 122 through the registration receiving unit 121 (step S2). Specifically, as shown in FIG. 2, the registration includes a task ID area 201, a destination number area 202, a start time area 203 in the IVR flow, a scenario type area 204 in the IVR flow, etc. This area 205 is formed in the task registration table 200.

  When the registration of the task information in the task registration table 200 is completed, the registration receiving unit 121 stores a task ID area 211 for recording the task ID in the task progress table 210, a total line occupation time 212, a line usage status area. 213, the outgoing call number area 214 and the remaining outgoing call number area 214 are formed, and an initialization process is performed to set the values of the respective areas excluding the task ID area 211 to initial values (step S3).

[Task / destination determination]
After the initialization process, the task / destination determination unit 123 acquires the number of usable lines (maximum number of lines−number of used lines) from the usable line management table 220 (step S4). Further, an executable task is searched from the task registration table 200, the task is determined as a transmission task, and the number of usable lines corresponding to the number of transmissions is assigned (step S5). At this time, if the number of lines to be allocated is insufficient, as described above, the next task is determined as a transmission task so that the total line occupation time between tasks approaches equality.

  When the outgoing task is determined, the task / destination determination unit 123 transmits the IVR flow of the outgoing task and the telephone numbers corresponding to the number of outgoing calls to the outgoing control unit 111, and the used line number area of the usable line management table 220. The numerical value 222 is updated (step S6). This update is a subtraction of a numerical value already recorded.

  The outgoing call control unit 111 performs outgoing call processing to the destination telephone number in accordance with the IVR flow transmitted from the task / destination destination determining unit 123. At that time, the time actually taken from the transmission to the end of the IVR flow is measured, and the measured time is used as the total line occupation time of the corresponding task when the task progress table 210 is updated after the IVR flow is completed. to add. It is determined whether transmission for all tasks to which the number of lines has been assigned has been completed (step S7). If there is a task that has not been transmitted, the process returns to step S4 (step S7: No). If all tasks have been sent, the process ends (step S7: YES).

[Post-processing]
Turning to FIG. 8, post-processing after each task is completed will be described.
The transmission server 11 records the questionnaire result received from the customer's telephone 30 by executing the task as a log in the log storage unit 124 after the end of the IVR flow, and further, the total line occupation time and the line usage status in the task progress table 210 In addition, the number of outgoing calls and the number of remaining outgoing calls are updated, and the numerical value in the used line number area 222 of the usable line management table 220 is updated (step S11).

[Determine line assignment / outgoing task for each task]
The procedure of line allocation when determining a call task in step S5 described above will be described in more detail. FIG. 9 is an explanatory diagram of the detailed procedure of step S5.
After acquiring the number of usable lines in step S4, the task / destination determination unit 123 extracts the remaining number of outgoing calls for all tasks from the task progress table 210 (step S21). The extracted number of remaining calls is totaled, and it is determined whether the total is equal to or less than the number of usable lines (step S22). If the total number of remaining calls is equal to or less than the number of usable lines, the process returns to step S6 (step S22: YES). That is, since the available lines are sufficient, a plurality of tasks are determined as outgoing tasks in a predetermined order.

  On the other hand, as a result of the determination in step S22, when the total number of remaining calls exceeds the number of usable lines, the task / destination determination unit 123 determines the total number of tasks from the total line occupied time area 212 of the task progress table 210. The line occupation time is acquired (step S22: NO, S23). Then, the total line occupation times of the acquired tasks are compared, the task having the minimum total line occupation time is selected as the next transmission task (step S24), and as many lines as the number of transmissions are assigned to the transmission task. Thereafter, the process returns to step S6.

  As described above, in the information transmission system 10, the task progress table 210 for recording the IVR flow, the total line occupation time, and the like in association with each of the plurality of tasks to be executed is stored in the storage device. Of the multiple tasks, the task with a relatively short total line occupancy time is determined as the outgoing task, and the number of outgoing calls for the number of available lines is determined for the outgoing task, and the information transmission for the number of outgoing calls is controlled. In addition, the total line occupancy time required for information transmission is measured, and the measurement result is added to the total line occupancy time in association with the transmission task. As a result, it is possible to equalize the total line occupation time of all tasks.

  Conventionally, line assignment when a plurality of tasks exceeding the reserved maximum number of lines has occurred cannot be performed evenly between the tasks. However, according to the information transmission system 10 described above, this is possible. Become. Therefore, in the outbound service system 1, it is possible to realize a mechanism in which the total line occupation time of lines by tasks of individual tenants is almost equal for each tenant while adopting a best effort type service form.

  In the present embodiment, an example in which the telephone 30 is used as an example of a communication terminal as a transmission destination is shown, but the communication terminal may be a personal computer or a portable information terminal having a communication function. Communication terminals other than the telephone 30 use a destination address instead of a telephone number. In the present embodiment, the public line L1 is interposed between the information terminal 20 and the information transmission system 10, while the public line L2 is interposed between the telephone 20 and the information transmission system 10. Instead of these public lines L1 and L2, dedicated lines and network lines may be interposed.

The whole outbound service system lineblock diagram of this embodiment. The figure which shows the example of the content of a task registration table. The figure which shows the example of the content of a task progress table. The figure which shows the example of the content of the usable line management table. The figure which shows the example of the content of a transmission destination management table. The figure which shows the example of the content of a log memory | storage part. Explanatory drawing of the process procedure performed in an information transmission system. Explanatory drawing of the process procedure performed in an information transmission system. FIG. 8 is a detailed procedure explanatory diagram of some processing steps of FIG. 7.

Explanation of symbols

1 Outbound service system 20a, 20b, 20c (20) Information terminal 30a, 30b, 30c (30) Telephone (fixed telephone, cellular phone radio, etc.)
L1, L2 Public line 10 Information transmission system 11 Transmission server 12 Task transmission controller 13 Web server 111 Transmission control unit
131 Task setting part
121 Registration Department
123 Task / destination determination unit 122 Task storage unit 124 Log storage unit 200 Task registration table 210 Task progress table
220 Available Line Management Table 240 Destination Management Table

Claims (5)

Each of the systems is capable of performing a plurality of tasks, each of which receives a communication line assignment and transmits information to a plurality of registered destinations.
For each task, the number of destinations, the line usage status of all reserved communication lines, the information transmission flow that defines the automatic response procedure with the destinations, and the line occupation time by using the communication lines Recording means for associating the total line occupancy time obtained by adding together and recording them in a predetermined storage device;
A task having a relatively short total line occupation time recorded in the storage device is determined as a transmission task from a plurality of tasks to be executed, and the number of communication lines that can be used for the transmission task. Task / destination determination means for determining the number of transmissions based on the number of transmission destinations and the line usage status, and acquiring the information transmission flow associated with the determined transmission task from the storage device;
The information transmission for the determined number of transmissions is controlled according to the information transmission flow acquired by the task / destination determination means, thereby measuring the total line occupation time required for information transmission, and associating with the transmission task, the memory Control means for adding the measurement result to the total line occupation time recorded in the device,
Information dispatch system for outbound services. The task / destination determination means specifies the number of usable lines based on the line usage status recorded in the storage device, and the number of destinations recorded in the storage device for all tasks to be executed. Until the total number of remaining calls obtained by subtracting the number of outgoing calls exceeds the number of usable lines, the plurality of tasks are determined as the outgoing tasks in a predetermined order.
The information transmission system according to claim 1. When the number of usable lines exceeds the number of remaining calls, the task / destination determining means compares the total line occupation times for all tasks, and the task having the shortest total line occupation time at that time Is determined as the outgoing task,
The information transmission system according to claim 2. An answer management means for receiving an answer from a destination for the execution of the sending task and recording the received answer in the storage device in association with the content of the sent information;
The information transmission system according to claim 1, 2 or 3. Each of the communication line assignment methods by the control means for controlling the execution of a plurality of tasks, each of which receives a communication line assignment and performs information transmission to a plurality of registered destinations,
For each of the multiple tasks to be executed, the number of destinations, the line usage status of all reserved communication lines, the information transmission flow that defines the automatic response procedure with the destinations, and the use of communication lines A step of associating a total line occupation time obtained by summing up the line occupation times and recording it in a predetermined storage device;
Among the plurality of tasks, a task having a relatively short total line occupation time recorded in the storage device is determined as a calling task, and the number of transmissions corresponding to the number of communication lines usable for the calling task is Determining based on the number of destinations and the use of the line, obtaining an information transmission flow associated with the determined transmission task from the storage device;
Controls the information transmission for the determined number of transmissions according to the acquired information transmission flow, thereby measuring the total line occupation time required for information transmission, and recording the total lines recorded in the storage device in association with the transmission task Adding the measurement result to the occupation time,
Communication line allocation method for outbound service.

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