Contact system

Abstract

The invention relates to a contact system. Provided is a contact system capable of preventing the occurrence of a communication failure and ensuring a contact unit in case of an emergency or the like. A contact system is provided with: a message management server device that receives contact information transmitted from a school terminal device, transmits the contact information to a guardian terminal device, and receives contact information transmitted from the guardian terminal device; and a bulletin board management server device which receives the contact information transmitted from the school terminal device, and sets the contact information to be browsable from the guardian terminal device and not to receive the contact information from the guardian terminal device. The contact system can switch between the transmission of contact information from the school terminal device to the message management server device and the transmission of contact information from the school terminal device to the bulletin board management server device.

Description

Technical Field

[0001] The present invention relates to a communication system for sending and receiving communication information between terminal devices. Background Art

[0002] Conventionally, there has been proposed a technology for transmitting and receiving messages between a specific organization and a terminal device of a person belonging to the organization.

[0003] For example, Patent Document 1 proposes a system for sending and receiving messages between a school and a terminal device of a guardian of a student belonging to the school. Specifically, an educational assistance system having a function of sending a contact from a school and a function of sending a contact from a guardian / student is disclosed, and a method for sending and receiving contact information between a terminal device of a school and a terminal device of a guardian / student via a server device is proposed.

[0004] Prior art literature

[0005] Patent Literature

[0006] Patent Document 1: Japanese Patent Application Publication No. 2002-221892 Summary of the invention

[0007] Problem that the invention aims to solve

[0008] Here, in the case where contact information is sent and received between terminal devices via a server device as in the educational support system described in Patent Document 1, in an emergency such as a disaster or crime, contact information may be sent collectively from the terminal devices of the guardian / students to the server device, and thus a communication failure may occur, making it impossible to use the contact function via the server device. Whether or not it is an emergency, the cessation of the contact function is a very serious problem.

[0009] In view of the above circumstances, an object of the present invention is to provide a communication system that can prevent communication failures from occurring in an emergency or the like and can ensure communication means even in an emergency.

[0010] Solutions for solving problems

[0011] The contact system of the present invention comprises: a first server device, which accepts contact information sent from a first terminal device, sends the contact information to a second terminal device, and accepts contact information sent from the second terminal device; and a second server device, which accepts contact information sent from the first terminal device, sets the contact information to be viewable from the second terminal device, and does not accept contact information from the second terminal device. The contact system can switch between sending contact information from the first terminal device to the first server device and sending contact information from the first terminal device to the second server device.

[0012] Effects of the Invention

[0013] According to the contact system of the present invention, in addition to a first server device that accepts contact information from a first terminal device and a second terminal device, a second server device is also provided. The second server device accepts contact information sent from the first terminal device, sets the contact information to be viewable from the second terminal device, and does not accept contact information from the second terminal device. The contact system can switch between sending contact information from the first terminal device to the first server device and sending contact information from the first terminal device to the second server device. Therefore, by providing multiple communication units in this way, communication failures can be prevented from occurring, for example in an emergency, and contact units can be ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a block diagram showing a schematic configuration of a school communication system using one embodiment of the communication system of the present invention.

[0015] Figure 2 This is a diagram showing an example of a main screen displayed on a school terminal device.

[0016] Figure 3 This is a diagram showing an example of a message creation screen displayed on a school terminal device.

[0017] Figure 4 This is a diagram showing an example of a message transmission status list displayed on a school terminal device.

[0018] Figure 5 This is a diagram showing an example of a message list screen displayed on a guardian's terminal device.

[0019] Figure 6 This is a diagram showing an example of a school bulletin board history list screen displayed on a school terminal device.

[0020] Figure 7 This is a diagram showing an example of a bulletin board message creation screen displayed on a school terminal device.

[0021] Figure 8 This is a diagram showing an example of a school bulletin board details screen displayed on a school terminal device.

[0022] Fig. 9 This is a diagram showing an example of a main screen displayed on a guardian's terminal device.

[0023] Fig.10 This is a diagram showing an example of a pop-up notification displayed on a guardian's terminal device.

[0024] Fig.11 This is a diagram showing an example of a bulletin board screen displayed on a guardian's terminal device.

[0025] Fig.12 This is a diagram showing an example of a message detail screen displayed on a guardian's terminal device. DETAILED DESCRIPTION

[0026] Hereinafter, a school communication system using one embodiment of the communication system of the present invention will be described in detail with reference to the drawings. Figure 1 This is a block diagram showing a schematic configuration of the school communication system 1 according to the present embodiment.

[0027] The school communication system 1 of this embodiment is a system for sending and receiving communication information between a school and a guardian, and includes a school terminal device 10, a message management server device 20, a bulletin board management server device 30, and a guardian terminal device 40. In addition, in this embodiment, the message management server device 20 is equivalent to the first server device of the present invention, and the bulletin board management server device 30 is equivalent to the second server device of the present invention. Figure 1 In the figure, only one school terminal device 10 is shown, but the present invention is not limited thereto and may include a plurality of school terminal devices 10. In addition, a plurality of guardian terminal devices 40 may also be included.

[0028] The school terminal device 10 and the message management server device 20, the message management server device 20 and the guardian terminal device 40, the school terminal device 10 and the bulletin board management server device 30, and the bulletin board management server device 30 and the guardian terminal device 40 are connected via communication lines such as the Internet line, and are configured to be able to communicate.

[0029] The school contact system 1 of the present embodiment is a system in which, for example, under normal circumstances, a message containing contact information can be sent from the school to the guardian, and a message containing contact information can be sent from the guardian to the school. However, in situations such as emergencies, the school can post the contact information to an electronic bulletin board and enable the guardian to browse the contact information on the bulletin board, but will not accept messages from the guardian to the school.

[0030] Next, the details of each device constituting the school communication system 1 according to the present embodiment will be described.

[0031] The message management server device 20 receives a message sent from the school terminal device 10 and sends the message to the guardian terminal device 40 , and receives a message sent from the guardian terminal device 40 and sends the message to the school terminal device 10 .

[0032] The message management server device 20 includes: a storage unit 21 that stores messages sent from the school terminal device 10; a destination management unit 22 that manages the destination of the message sent from the school terminal device 10; and a control unit 23 that controls the message management server device 20 as a whole.

[0033] The storage unit 21 has a storage device (storage) such as a hard disk, a semiconductor memory, etc. In the present embodiment, the storage unit 21 corresponds to the first storage unit of the present invention.

[0034] The destination management unit 22 includes a table that associates school identification information, school grade identification information, grade class identification information, class identification information, class student identification information, and guardian terminal device 40 identification information of the student's guardian.

[0035] The control unit 23 stores the message sent from the school terminal device 10 together with the source, destination, and date and time of the message in the storage unit 21. Then, based on the information attached to the destination of the message, the control unit 23 refers to the table managed by the destination management unit 22 to determine the identification information of the guardian terminal device 40 as the destination, and sends the message to the determined guardian terminal device 40. That is, the control unit 23 performs the so-called push-type message transmission to the guardian terminal device 40.

[0036] In addition, the message management server device 20 receives a message sent from the guardian terminal device 40 and sends the message to the school terminal device 10. Examples of the message sent from the guardian terminal device 40 include a reply message when a questionnaire survey message is sent from the school to the guardian terminal device 40, and a message notifying the school of a student's absence.

[0037] The storage unit 21 stores the message sent from the guardian terminal device 40 , and the control unit 23 refers to the table of the destination management unit 22 to identify the school terminal device 10 , and sends the guardian's message to the identified school terminal device 10 .

[0038] As described above, the message management server device 20 is a server device that can send messages sent from the school terminal device 10 to the guardian terminal device 40, and send messages sent from the guardian terminal device 40 to the school terminal device 10. The message management server device 20 is a server device that can send messages bidirectionally from the school to the guardian and from the guardian to the school.

[0039] The message management server device 20 includes a CPU (Central Processing Unit), semiconductor memories such as ROM (Read Only Memory) and RAM (Random Access Memory), storage devices such as a hard disk, and a communication I / F (Interface).

[0040] A message management program as a network application is installed in the storage device of the message management server device 20. The message transmission and reception described above are controlled by starting the message management program by the CPU.

[0041] Furthermore, part or all of the functions executed by the message management program may be implemented by hardware such as an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array), or other circuits.

[0042] In the present embodiment, the message management program described above operates in cooperation with the school application and the guardian application, thereby realizing the message sending and receiving function of the school communication system 1 .

[0043] Next, the bulletin board management server device 30 will be described.

[0044] The bulletin board management server device 30 is a server device that manages an electronic bulletin board, receives messages sent from the school terminal device 10, and posts the messages on the electronic bulletin board.

[0045] The bulletin board management server device 30 includes a storage unit 31 for storing messages sent from the school terminal device 10 and a control unit 32 for controlling the entire bulletin board management server device 30. In the present embodiment, the storage unit 31 corresponds to the second storage unit of the present invention.

[0046] The storage unit 31 includes a storage device such as a hard disk or a semiconductor memory, and stores messages transmitted from the school terminal device 10 .

[0047] The control unit 32 stores the message sent from the school terminal device 10 together with the source and date of the message in the storage unit 31. Then, the control unit 32 posts the message stored in the storage unit 31 to the electronic bulletin board, accepts access from the guardian terminal device 40, and makes the electronic bulletin board viewable.

[0048] As described above, the bulletin board management server device 30 publishes the message sent from the school terminal device 10 to the electronic bulletin board and sets it to be viewable from the guardian terminal device 40, but does not accept messages from the guardian terminal device 40. That is, the bulletin board management server device 30 is a server device for one-way communication, in which the message posted to the electronic bulletin board is set to be viewable by the guardian terminal device 40, but does not accept messages sent from the guardian to the school.

[0049] In addition, in the present embodiment, when a guardian application described later on the guardian terminal device 40 is started and a request to browse the electronic bulletin board is issued from the guardian terminal device 40, if a new message is posted to the electronic bulletin board since the last time the guardian application was started, the control unit 32 notifies the guardian terminal device 40 of a message indicating that a new message has been posted to the electronic bulletin board. That is, the control unit 32 performs a so-called pop-up notification.

[0050] Furthermore, when receiving a request to browse the electronic bulletin board transmitted from the guardian terminal device 40 , the control unit 32 permits access to and browsing of the electronic bulletin board stored in the storage unit 31 without going through the above-mentioned network application.

[0051] The bulletin board management server device 30 includes a CPU, semiconductor memories such as ROM and RAM, a storage device such as a hard disk, a communication I / F, and the like.

[0052] A bulletin board management program as a web application is installed in the storage device of the bulletin board management server device 30. The bulletin board management program is activated by the CPU to control the posting to the electronic bulletin board.

[0053] In addition, part or all of the functions performed by the bulletin board management program may be implemented by hardware such as ASIC, FPGA, or other circuits.

[0054] In the present embodiment, the bulletin board management program described above operates in cooperation with the school application and the guardian application, thereby realizing the bulletin board function of the school communication system 1 .

[0055] The school terminal device 10 is a terminal device used by school teachers and other staff members, and is, for example, a desktop computer or a notebook computer, but is not limited thereto, and a mobile terminal such as a tablet terminal or a smartphone may also be used.

[0056] The school terminal device 10 includes a control unit 11. The control unit 11 controls the entire school terminal device 10. In particular, the control unit 11 displays a contact message creation screen used when the school sends a message to a guardian and a bulletin board message creation screen used when the school posts a message on an electronic bulletin board.

[0057] In addition, the control unit 11 switches the sending of messages from the school terminal device 10 to the message management server device 20 and the sending of messages from the school terminal device 10 to the bulletin board management server device 30. Specifically, in the present embodiment, server selection information is accepted, and the destination of the message is switched based on the server selection information, and the server selection information is used to switch the sending of messages to the message management server device 20 and the sending of messages to the bulletin board management server device 30. In addition, the acceptance of the server selection information will be described in detail later.

[0058] The school terminal device 10 includes a display unit 12 such as a liquid crystal display, and a contact message creation screen, a bulletin board message creation screen, and the like are displayed on the display unit 12 .

[0059] The school terminal device 10 also includes an input unit 13 such as a mouse and a keyboard, and receives setting inputs to a message creation screen and a bulletin board message creation screen through the input unit 13 .

[0060] When a tablet terminal or a smartphone is used as the school terminal device 10 , a touch panel included in the tablet terminal or the smartphone functions as both the display unit 12 and the input unit 13 .

[0061] The school terminal device 10 includes a CPU, semiconductor memories such as ROM and RAM, a storage device such as a hard disk, a communication I / F, and the like.

[0062] A school application is installed in the storage device of the school terminal device 10. By starting the school application by the CPU, a contact message creation screen and a bulletin board message creation screen are displayed in the school terminal device 10, and various settings can be input. In addition, instead of using the school application installed in the storage device as in the present embodiment, a school application provided via a web browser may be used.

[0063] In addition, part or all of the functions performed by the school application can be constructed by hardware such as ASIC, FPGA and other circuits.

[0064] The guardian terminal device 40 is a terminal device used by the guardian, and may be a mobile terminal such as a smartphone or a tablet terminal, but is not limited thereto, and a desktop computer or a notebook computer may also be used.

[0065] The guardian terminal device 40 includes a control unit 41. The control unit 41 controls the entire guardian terminal device 40. In particular, the control unit 41 displays messages sent from the school, electronic bulletin boards, and the like.

[0066] The guardian terminal device 40 has a display unit 42 such as a liquid crystal display, and displays messages sent from the school and an electronic bulletin board on the display unit 42 .

[0067] The guardian terminal device 40 also includes an input unit 43 such as a mouse and a keyboard, and receives setting inputs such as a reply message from the guardian through the input unit 43 .

[0068] When a tablet terminal or a smartphone is used as the guardian terminal device 40 , a touch panel included in the tablet terminal or the smartphone functions as both the display unit 42 and the input unit 43 .

[0069] The guardian terminal device 40 includes a CPU, semiconductor memories such as ROM and RAM, a storage device such as a hard disk, a communication I / F, and the like.

[0070] A guardian application is installed in the storage device of the guardian terminal device 40. By starting the guardian application by the CPU, a message browsing screen, a bulletin board browsing screen, a reply message creation screen, etc. are displayed in the guardian terminal device 40, and messages and bulletin boards can be browsed and various settings can be input. In addition, instead of using the guardian application installed in the storage device as in the present embodiment, a guardian application provided via a web browser can be used.

[0071] In addition, part or all of the functions executed by the guardian application can also be composed of hardware such as ASIC, FPGA and other circuits.

[0072] Next, the flow of processing of the school communication system 1 of this embodiment will be described. First, the processing when a message is sent from the school to the guardian will be described.

[0073] First, a school staff member (here, "Teacher ○○") starts the school application on the school terminal device 10 to display the following information: Figure 2 In the main screen, Figure 2 As shown, an icon A1 for individual contact and an icon A2 for the school notice board are displayed.

[0074] When sending a message to a guardian individually from the school, select Figure 2 When the icon A1 for individual contact is selected, the school terminal device 10 displays the following Figure 3 In the present embodiment, the selection information of the individual contact icon A1 or the school notice board icon A2 corresponds to the server selection information of the present invention.

[0075] exist Figure 3 The message creation screen shown displays a distribution manuscript selection column R1 for selecting the electronic data file of the manuscript to be distributed, a title input column R2 for accepting input of the message title, a message input column R3 for accepting input of the message body, a distribution class selection column R4 for selecting the grade and class to which the message is to be distributed, and a distribution date and time selection column R5 for selecting the distribution date and time.

[0076] Then, set and input the required information in each column R1 to R4 of the message creation screen. In the distribution class selection column R4, select the registration year of the class using the drop-down box, and select the grade and class of the selected registration year. For example, when distributing the message to the guardians of students of all grades, check the checkbox CB1 for all grades, when distributing the message to the guardians of students of all classes in grade 1, select the checkbox CB2 for grade 1, and when distributing the message to the guardians of students of a specified class in grade 1, select the checkboxes CB3 to CB5 for classes 1 to 3.

[0077] To send the message immediately after registration, select the "Immediately" radio button in the "Distribution Date and Time" column. To reserve a date and time for sending, select the "Reserve" radio button and enter the date and time for sending the message.

[0078] Then, when the "distribution registration" button is selected, the content inputted in the message creation screen is sent from the school terminal device 10 to the message management server device 20 for registration (storage). Then, the message management server device 20 sends the registered message to the guardian terminal device 40 as the transmission destination.

[0079] In addition, in the school terminal device 10, based on the information registered in the message management server device 20, the following information is displayed: Figure 4 An overview of the message sending status (message distribution / distribution status) as shown.

[0080] In the message delivery status summary, if Figure 4 As shown, the message's "title", "distribution status", the date and time when the message was sent (scheduled to be sent) from the school terminal device 10, i.e., the "distribution (scheduled) date and time", "destination class", "read counts", the "creation date and time" when the message was created (registered), and the "registrant" who is the registrant of the message, etc. are displayed.

[0081] Furthermore, when the "Display" button in the "Preview" column is selected, the electronic data file of the manuscript is opened and previewed.

[0082] Then, after the message is sent to the guardian terminal device 40 as described above, the guardian terminal device 40 displays the message. Figure 5 The message list screen shown in FIG. 1 is displayed, and the messages sent from the school terminal device 10 are listed. Figure 5 When a predetermined message is selected in the displayed message list screen, the specific contents of the message are displayed, and when an attached file is selected, the screen switches to a message detail screen in which an electronic data file such as a PDF file is opened.

[0083] In addition, when the message distributed from the school terminal device 10 to the guardian terminal device 40 is a message that requires a reply, such as a questionnaire survey message as mentioned above, the reply content is set to be input in the guardian terminal device 40, and the reply message is sent from the guardian terminal device 40 to the message management server device 20, and from the message management server device 20 to the school terminal device 10.

[0084] Next, a description will be given of a process of posting a message to an electronic bulletin board and a process of browsing the posted message.

[0085] When posting a message to an electronic bulletin board, Figure 2 When the icon A2 of the school notice board is selected, the school terminal device 10 displays the following Figure 6 The school bulletin board history list screen as shown.

[0086] exist Figure 6 The school bulletin board history list screen shown displays a list column L of messages posted to the electronic bulletin board in the past. The message list column L displays the posting date, the title of the message, a detail button, a delete button, and the like.

[0087] In addition, Figure 6 The school bulletin board history list screen shown in the figure displays a new post button for posting new messages. When the new post button is selected, the following Figure 7 The bulletin board message creation screen is shown in the figure. Figure 7 The bulletin board message creation screen shown includes a title input field S1 for accepting input of a message title, a message input field S2 for accepting input of a message body, and a posting period input field S3 for accepting input of a posting period (start and end).

[0088] Then, after entering the information in the fields of the bulletin board message creation screen, select Figure 7 When the "Publish" button is pressed, the content entered in the bulletin board message creation screen is registered (stored) from the school terminal device 10 to the bulletin board management server device 30 and posted to the electronic bulletin board. Figure 6 In the message list column L of the school bulletin board history list screen shown.

[0089] When a button for a specific posting listed in the message list column L on the school bulletin board history list screen is selected, the following information is displayed: Figure 8 The school bulletin board details screen shown below displays the details of the posted message. Figure 8 When the "Edit" button is displayed in the school bulletin board details screen shown, the content of the message can be edited, and when the "Publish" button is selected after editing, the edited content is published on the electronic bulletin board.

[0090] Then, when the guardian browses the message posted to the electronic bulletin board, the guardian application is started in the guardian terminal device 40. Then, at this time, if no new message has been posted to the electronic bulletin board since the last time the guardian application was started, that is, if the electronic bulletin board has not been updated from the last time the guardian application was started until the current time point, the display Fig. 9 The main screen is shown.

[0091] On the other hand, if a new message is posted to the electronic bulletin board from the time when the guardian application was last started until the current time, that is, if the electronic bulletin board is updated from the time when the guardian application was last started until the current time, such as Fig.10 A "New Release" notification is displayed as shown.

[0092] Then, after selecting Fig. 9 If the school bulletin board icon A2 is displayed on the main screen, or if Fig.10 When the "Confirm" button is pressed, the guardian terminal device 40 displays Fig.11 The bulletin board screen shown.

[0093] exist Fig.11 The bulletin board screen shown shows a list column ML of messages posted to the electronic bulletin board. The message list column ML shows the title, poster, and date and time of posting of the message posted to the electronic bulletin board.

[0094] Then, after selecting Fig.11In the case of a message in the message list column ML of the bulletin board screen shown in FIG. Fig.12 The message details screen shown shows the content of the message body.

[0095] According to the school contact system 1 of the above-mentioned embodiment, in addition to providing a message management server device 20 for accepting contact information from the school terminal device 10 and the guardian terminal device 40, a bulletin board management server device 30 that does not accept contact information from the guardian terminal device 40 is also provided, and it is configured to be able to switch the sending of contact information from the school terminal device 10 to the message management server device 20 and the sending of contact information from the school terminal device 10 to the bulletin board management server device 30. Therefore, by preparing multiple communication units of the message management server device 20 and the bulletin board management server device 30, communication failures can be prevented and contact units can be ensured even in an emergency.

[0096] In addition, in the school communication system 1 of the above embodiment, based on the server selection information set in the school terminal device 10, the sending of messages to the message management server device 20 and the sending of messages to the bulletin board management server device 30 are switched, so that the sending destination of the message can be appropriately switched according to the situation.

[0097] In addition, in the school contact system 1 of the above-mentioned embodiment, the contact information stored in the storage unit 31 can be browsed by directly accessing the storage unit 31 through the guardian's terminal device 40 without going through the network application of the bulletin board management server device 30, thereby reducing the load on the bulletin board management server device 30 and making communication failures less likely to occur.

[0098] In addition, in the school contact system 1 of the above-mentioned embodiment, the message management server device 20 sends a push-type message to the guardian terminal device 40 when a new message is sent by the school terminal device 10, and the bulletin board management server device 30 sends a pop-up notification when there is a new posting on the electronic bulletin board. Therefore, the communication volume between the bulletin board management server device 30 and the guardian terminal device 40 can be reduced, which can reduce the risk of communication failures.

[0099] In addition, the present invention is not limited to the above-mentioned embodiments, and the structural elements can be deformed and concretized in the implementation stage without departing from the scope of the main purpose. In addition, various inventions can also be formed by appropriate combinations of multiple structural elements disclosed in the above-mentioned embodiments. For example, all structural elements shown in the embodiments can also be appropriately combined. Obviously, various deformations and applications can be performed within the scope of this without departing from the main purpose of the invention.

[0100] The present invention further discloses the following additional notes.

[0101] (Note 1)

[0102] The contact system of the present invention comprises: a first server device, which accepts contact information sent from a first terminal device, sends the contact information to a second terminal device, and accepts contact information sent from the second terminal device; and a second server device, which accepts contact information sent from the first terminal device, sets the contact information to be viewable from the second terminal device, and does not accept contact information from the second terminal device. The contact system can switch between sending contact information from the first terminal device to the first server device and sending contact information from the first terminal device to the second server device.

[0103] (Note 2)

[0104] In the communication system described in Supplementary Note 1, based on the server selection information set in the first terminal device, the transmission of the communication information from the first terminal device to the first server device and the transmission of the communication information from the first terminal device to the second server device are switched.

[0105] (Note 3)

[0106] In the contact system described in Note 1 or Note 2, the first server device includes a first storage unit for storing contact information sent from the first terminal device, the contact information stored in the first storage unit is read out through a network application possessed by the first server device, and the contact information is sent to the second terminal device, the second server device includes a second storage unit for storing contact information sent from the first terminal device, and the contact information stored in the second storage unit can be browsed by directly accessing the second storage unit through the second terminal device without going through the network application possessed by the second server device.

[0107] (Note 4)

[0108] In the contact system described in any one of Notes 1 to 3, when the first server device accepts new contact information sent from the first terminal device, it sends the new contact information to the second terminal device in response to the acceptance, and when the second server device accepts the new contact information sent from the first terminal device, it notifies the second terminal device based on a request from the second terminal device.

[0109] Description of Reference Numerals

[0110] 1: school communication system; 10: school terminal device; 11: control unit; 12: display unit; 13: input unit; 20: message management server device; 21: storage unit; 22: destination management unit; 23: control unit; 30: bulletin board management server device; 31: storage unit; 32: control unit; 40: guardian terminal device; 41: control unit; 42: display unit; 43: input unit.

Claims

1. A communication system comprising: a first server device that receives contact information sent from a first terminal device, sends the contact information to a second terminal device, and receives contact information sent from the second terminal device; and a second server device that receives contact information sent from the first terminal device, sets the contact information to be viewable from the second terminal device, and does not receive contact information from the second terminal device; The communication system is capable of switching between transmission of the communication information from the first terminal device to the first server device and transmission of the communication information from the first terminal device to the second server device.

2. The communication system according to claim 1, wherein: Based on the server selection information set in the first terminal device, the transmission of the contact information from the first terminal device to the first server device and the transmission of the contact information from the first terminal device to the second server device are switched.

3. The communication system according to claim 1, wherein: The first server device includes a first storage unit for storing contact information sent from the first terminal device, and the contact information stored in the first storage unit is read out by a network application included in the first server device, and the contact information is sent to the second terminal device. The second server device includes a second storage unit for storing contact information sent from the first terminal device, and the second terminal device can directly access the second storage unit to browse the contact information stored in the second storage unit without going through a network application included in the second server device.

4. The communication system according to claim 1, wherein: When the first server device receives the new contact information sent from the first terminal device, the first server device sends the new contact information to the second terminal device in response to the receipt. When receiving new contact information transmitted from the first terminal device, the second server device notifies the second terminal device in response to a request from the second terminal device.

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