JP2003198732A - Communication system, control server, terminal, and communication method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To allow a user utilizing a plurality of terminals to receive a variety of communication services by the most proper terminal depending on a situation. <P>SOLUTION: When a control server 1 receives information addressed to a user, the control server 1 transmits a call reception request to a plurality of terminals 3-1 to 3-N designated by the user. Upon the receipt of the call request, the plurality of terminals 3-1 to 3-N informs the user about it. When the user applies a prescribed operation to any of the terminals 3-1 to 3-N receiving the call reception request, the terminal 3-K transmits the call permission to the control server 1. The control server 1 selects the terminal 3-K for transmitting the reception permission as the destination of information addressed to the user. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication system and a communication method in which a destination of information received by a control server and addressed to a user is a terminal device selected by the user, and the communication system and communication method. The present invention relates to a control server and a terminal device used in.

[0002]

2. Description of the Related Art Conventionally, when a general user connects a terminal device to a computer network such as the Internet, a fixed line terminal device such as a personal computer is connected to a telephone line or an ISDN (Integrated Services Directory).
dial-up connection using a digital network (Gital Network) line is mainly used, and if it is a portable terminal device such as a mobile phone, PDC (Personal Digital Cellular), PH
A wireless data communication system provided according to a communication system such as S (Personal Handyphone System) is mainly used.

As described above, the fixed terminal device mainly uses the wired data communication system, and the portable terminal device mainly uses the wireless data communication system.

Further, in recent years, wireless communication systems have been diversified, for example, FWA (Fixed Wireless Access),
Methods such as wireless LAN (Local Area Network) and Bluetooth (trademark) are being put to practical use.

Under such a situation, one user often owns or uses a plurality of terminal devices having different communication systems. For example, one user uses a plurality of terminal devices such as a personal computer, a mobile phone, and a terminal device of a company or a school, which are arranged at home.

Therefore, one user uses a plurality of IP addresses or a plurality of electronic mail addresses belonging to a plurality of terminal devices. For example, an IP address or an e-mail address given by a personally contracted ISP (Internet Service Provider) belongs to a personal computer located at home, and a personally contracted mobile phone service is assigned to a mobile phone. The IP address and e-mail address given by the business operator belong to the terminal device of the company or school, and the IP address and e-mail address given by the ISP contracted by the organization such as the company or school belong to the terminal device of the company or school.

For mobile phones, etc., usually one-to-one
Email address will be assigned at. On the other hand, an e-mail account is only given to a user for a personal computer or the like, but an e-mail program is set on a personal computer at home corresponding to the e-mail account acquired personally. , Private emails are mainly sent and received, and the terminal device of an organization such as a company or school sets the email program corresponding to the email account given by the organization, and emails related to that organization. Is mainly transmitted and received, it can be said that an e-mail address belongs to a certain terminal device.

[0008] For example, when one user uses a plurality of terminal devices to which a plurality of electronic mail addresses belong, the user operates each terminal device to access a receiving mail server such as a POP3 server. , Obtains an email addressed to the email address belonging to the terminal device.

Further, it is possible to obtain an e-mail addressed to an e-mail address belonging to a certain terminal device by operating another terminal device. However, in that case, the name (or IP address) and password of the receiving mail server that is licensed for the e-mail address are required.

Although the electronic mail address has been described above, the same applies to other applications on the IP network.

Further, not only the e-mail address and the IP address but also the telephone number are fixed at the home fixed telephone,
In many cases, one user uses a plurality of telephones (that is, a plurality of terminal devices) such as a mobile telephone and a fixed telephone (or extension telephone) of a company.

In the conventional communication system as described above, the sender of information such as an electronic mail or telephone call considers which terminal device the receiver can receive immediately, and the sender It sends its own information to any of the determined terminal devices.

[0013]

However, in the conventional communication system, the sender has a plurality of identifiers (a plurality of telephone numbers, a plurality of IP addresses, a plurality of electronic devices) belonging to a plurality of terminal devices used by the receiver. Recognize all email addresses etc. in advance and anticipate the situation of the recipient at the time of sending,
You need to select the destination of your information from those identifiers. Furthermore, in that case, the information from the sender does not always reach the receiver without fail.

The sender may transmit his own information to a plurality of identifiers belonging to a plurality of terminal devices used by the receiver, but the same information belongs to two or more terminal devices. Reaching the identifier may confuse the user.

Further, when an e-mail addressed to an e-mail address belonging to a certain terminal device is acquired from another terminal device, it is necessary to allow access to the receiving mail server of that e-mail address from the outside, which is a security factor. Not preferable. For example, accessing an incoming mail server inside the company is not particularly preferable in terms of security.

It is also conceivable to transfer an e-mail addressed to an e-mail address belonging to a certain terminal device to another terminal device designated by the user, but it is necessary to set the transfer at any time, and it is necessary to set it uniformly. Since all e-mails are transferred to, the load on the transfer destination mail server becomes heavy.

Further, in the case of a call for a call, when the receiver is not in a state where the terminal device (telephone) of the telephone number selected by the sender is available, another terminal device (telephone) is used. It is difficult to make a call even if it is possible.

The present invention has been made in view of the above problems, and communication that enables a user who uses a plurality of terminal devices to receive various communication services by the most suitable terminal device depending on the situation. An object is to obtain a system, a control server, a terminal device and a communication method.

[0019]

In order to solve the above problems, a communication system of the present invention comprises a plurality of terminal devices designated by a user and a control server for receiving information addressed to the user. . Then, the control server stores information on the correspondence relationship between the user and the plurality of identifiers belonging to the plurality of terminal devices, and when the information addressed to the user is received, the plurality of terminal devices designated by the user are stored. When an incoming call request is transmitted to the terminal device and the incoming call permission is received from any of the terminal devices, the identifier belonging to the terminal device that transmitted the incoming call permission is set as the destination of the information addressed to the user. On the other hand, when the terminal device receives an incoming call request from the control server, the terminal device notifies the reception of the incoming call request and, when the user performs a predetermined operation, transmits the incoming call permission to the control server.

By using this communication system, a user who uses a plurality of terminal devices can receive various communication services by the most suitable terminal device depending on the situation.

Further, in addition to the communication system of the above invention, the communication system of the present invention is such that the control server transmits an incoming call request to a plurality of terminal devices via a pager line.

By using this communication system, it is possible to reliably transmit the incoming call request to the terminal devices scattered over a wide range by utilizing the high signal reachability of the pager system.

Further, in addition to the communication systems of the above inventions, the communication system of the present invention is such that the control server simultaneously sends an incoming call request to a plurality of terminal devices by broadcast communication.

By using this communication system, an incoming call request can be transmitted to a plurality of terminal devices in a short time.

Further, in the communication system of the present invention, in addition to the communication systems of the above inventions, the control server stores information on the correspondence between the user and a plurality of electronic mail addresses belonging to a plurality of terminal devices, When an e-mail addressed to a user is received, an incoming call request is sent to a plurality of terminal devices designated by the user, and when an incoming call permission is received from any of the terminal devices, the terminal device that has transmitted the incoming call permission. The e-mail address belonging to is used as the destination of the e-mail addressed to the user, and the e-mail is forwarded to the destination.

By using this communication system, a user who uses a plurality of terminal devices can acquire an electronic mail addressed to himself by the most suitable terminal device depending on the situation.

Further, in the communication system of the present invention, in addition to the communication systems of the above inventions, the control server transmits the information of the sender of the electronic mail addressed to the user together with the incoming call request to the terminal device, and the plurality of terminal devices The notification of the reception of the incoming call request is made and the information of the sender of the electronic mail addressed to the user is displayed.

By using this communication system, the user can more appropriately select the terminal device from the contents of the electronic mail.

Further, in the communication system of the present invention, in addition to the communication systems of the above inventions, the control server stores information on the correspondence between the user and a plurality of telephone numbers belonging to a plurality of terminal devices for use. When a call addressed to a person is received, an incoming call request is sent to a plurality of terminal devices designated by the user, and when incoming permission is received from any of the terminal devices,
The telephone number belonging to the terminal device that transmitted the incoming permission is set as the destination of the call addressed to the user.

By using this communication system, a user who uses a plurality of terminal devices can receive a telephone call addressed to himself by the most suitable terminal device depending on the situation.

Further, in the communication system of the present invention, in addition to the communication systems of the above inventions, the control server functions as an exchange, and makes the received call arrive at the telephone number which is the destination of the call addressed to the user. The terminal device that has transmitted the incoming permission is adapted to establish a line with the originator of the call.

Further, in addition to the communication systems of the above inventions, the communication system of the present invention is such that the terminal device which has called the telephone number which is the destination of the call addressed to the user by the control server and has transmitted the incoming permission is controlled. The line is established with the originator of the call addressed to the user via the server.

Further, in addition to the communication systems of the above inventions, the communication system of the present invention is such that the control server transmits the telephone number of the call originator to the terminal device which has transmitted the call acceptance, and the terminal device which has transmitted the call permission. When a telephone number of a call originator is received, a call is made to that telephone number.

Further, in addition to the communication systems of the above inventions, the communication system of the present invention originates a call to the telephone number of the call originator by designating the originator of the call as the recipient of the communication fee. It is something that is done.

By using this communication system, the called party does not have to bear the communication charge.

Further, in the communication system of the present invention, in addition to the communication systems of the above inventions, the control server stores, in one terminal device, a plurality of identifiers according to the type of information addressed to the user. The type of information addressed to the user is sent to the multiple terminal devices together with the incoming call request, and among the multiple identifiers for the terminal device that transmitted the incoming permission, the identifier corresponding to the type of information addressed to the user is addressed to that user. The information is sent to the destination.

By using this communication system, even if the information addressed to a plurality of types of users are mixed, the information addressed to a user of any type can be smoothly received.

The control server of the present invention is a storage means for storing information on a correspondence relationship between a user and a plurality of terminal devices designated by the user, and a first reception for receiving information addressed to the user. Means, transmitting means for transmitting an incoming call request to a plurality of terminal devices designated by the user in response to reception of information addressed to the user by the first receiving means, and corresponding to the incoming call request. Second receiving means for receiving the incoming permission from any one of the terminal devices selected by the user, and the terminal device transmitting the incoming permission received by the second receiving means as the destination of the information addressed to the user. And a control means for

When this control server is used in a communication system, a user who uses a plurality of terminal devices can receive various communication services by the most suitable terminal device depending on the situation.

In the terminal device of the present invention, when the control server receives the information addressed to the user, the receiving means receives the incoming request transmitted to the plurality of terminal devices designated by the user, and the receiving means receives the incoming request. A notification unit for notifying the user, an operation unit operated by the user, and a permission to receive the information addressed to the user is transmitted to the control server when a predetermined operation is performed on the operation unit after the notification unit notifies the operation unit. And a transmission means for performing the same.

When this terminal device is used in a communication system, a user who uses a plurality of terminal devices can receive various communication services by the most suitable terminal device depending on the situation.

In the communication method of the present invention, the control server receives the information addressed to the user, the control server transmits an incoming call request to a plurality of terminal devices designated by the user, and the terminal device operates. A step of notifying the reception of the incoming call request, and a step of transmitting the incoming call permission from the terminal device to the control server when the user performs a predetermined operation on any of the terminal devices that received the incoming call request. The control server sets the terminal device, which has transmitted the incoming call permission, as the destination of the information addressed to the user.

By using this communication method, a user who uses a plurality of terminal devices can receive various communication services by the most suitable terminal device depending on the situation.

[0044]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

Embodiment 1. 1 is a block diagram showing a configuration of a communication system according to Embodiment 1 of the present invention. In FIG. 1, a control server 1 is a server device that receives information addressed to a user such as an electronic mail or a telephone call, and the user and a plurality of terminal devices 3-1 to 3 owned or used by the user. When the information of the correspondence relationship with -N is stored and the information addressed to the user is received, the incoming request is transmitted to the plurality of terminal devices 3-1 to 3-N designated by the user, and When the incoming permission is received from the terminal device 3-K, the terminal device 3-K, which has transmitted the incoming permission, is the server device which is the destination of the information addressed to the user.

Further, the radio base station 2 includes terminal devices 3-1 to 3-1.
It is equipment for transmitting a pager signal that can be received by the 3-N receiving unit 21. A plurality of radio base stations 2 are arranged so that pager signals can be received in a predetermined area.

The terminal devices 3-1 to 3-N are a plurality (N) of terminal devices designated in advance by one user. When each terminal device 3-i (i = 1, ..., N) receives the incoming call request from the control server 1, the terminal device 3-i notifies the reception of the incoming call request, and when a user performs a predetermined operation, This is a device for transmitting an incoming call permission to the control server 1. The terminal devices 3-1 to 3-N include fixed type devices such as personal computers, fixed type telephones, office extension telephones, and handheld computers, P, and the like.
Portable devices such as DAs (Personal Digital Assistants) and mobile phones are used.

Further, the communication path 4-i (i = 1, ...,
N) is a communication path for connecting the terminal device 3-i to the communication network 5 wirelessly or by wire. For example, a computer network, a mobile telephone line, a fixed telephone line, a dedicated line, or the like can be used as the communication path 4-i.

The communication network 5 is a network that connects the control server 1, another control server, and another communication network (not shown) to each other.

In the communication system shown in FIG. 1, the terminal devices 3-1 to 3-N can be connected to the control server 1 via the communication network 5, but to the control server 1 via a dedicated line. It may be connectable.

FIG. 2 is a block diagram showing the configuration of the control server 1 in FIG. In FIG. 2, the wireless communication control means 11 is a circuit that controls the wireless base station 2 to transmit various pager signals. The wireless communication control means 11
When the information addressed to the user is received, functions as a transmission unit that transmits an incoming call request to the plurality of terminal devices 3-1 to 3-N designated by the user.

The communication means 12 is a circuit which is connected to the communication network 5 and which sends and receives various information to and from the terminal devices 3-1 to 3-N and other control servers. The communication means 12 is a first receiving means for receiving information addressed to the user,
And any one selected for the incoming call by the user
It functions as a second receiving means for receiving the incoming permission from one terminal device 3-K.

The storage means 13 is a device for storing the user information 31, which is information about the user who receives the service provided by this communication system. As the storage means 13, a large-scale storage device such as a semiconductor memory and / or a hard disk device is used. Further, the storage means 13 may be a database system. The user information 31 includes correspondence relationship information 41 that is information on the correspondence relationship between the user and the plurality of terminal devices 3-1 to 3-N designated by the user.

The control means 14 is a circuit for controlling various circuits in the control server 1. The control means 14
Has a function of making the terminal device 3-K, which has transmitted the incoming call permission received by the communication means 12, a destination of information addressed to the user.

The control means 14 is a CPU and its CPU.
It is composed of a semiconductor memory or a large-scale storage device such as a hard disk device storing a program executed by the computer.

FIG. 3 is a block diagram showing the configuration of the terminal device 3-1 in FIG. In FIG. 3, the receiving unit 21 is a circuit that receives a pager signal from the wireless base station 2. The receiving unit 21 may be incorporated at the time of manufacturing the terminal device 3-1, or may be an accessory that can be inserted into and removed from the terminal device 3-1 after shipment. In that case, the receiving unit 21 and the terminal device 3-
The internal circuit 1 is designed to be electrically connected when the receiving unit 21 is inserted into the terminal device 3-1. For example, the receiving unit 21 may be realized as a PC card.

Further, by adopting a pager system using the 280 MHz band as the pager system having the radio base station 2, the receiving unit 21, etc., it is possible to secure the radio wave permeability to the structure such as a building and to make an incoming call request. It is possible to reliably reach the terminal devices 3-1 to 3-N. Therefore, it is particularly effective in an emergency or a disaster.

That is, the receiving unit 21 is a receiving means for receiving an incoming request transmitted to the plurality of terminal devices 3-1 to 3-N designated by the user when the control server 1 receives the information addressed to the user. Function.

The communication means 22 has a predetermined communication path 4-.
1 is a circuit that can be connected to the communication network 5. It should be noted that the communication unit 22 permits the incoming call of the information addressed to the user who is the incoming call request when a predetermined operation is performed on the operation unit 25 after the receiving unit 21 receives the incoming call request. To a control server 1 as a transmission unit.

The display means 23 is a device such as a liquid crystal display for displaying images and the like. In addition,
The display unit 23 functions as a notification unit that displays the reception of the incoming call request by the reception unit 21 by displaying a predetermined image or characters.

Further, the image processing circuit 24 is supplied with display data and outputs a signal corresponding to the display data to the display means 23.
It is a circuit to supply to.

The operation unit 25 is a device which is operated by a user and supplies a signal corresponding to the operation to the control means 26. As the operation unit 25, keys, buttons, switches such as toggles, a touch panel, a keyboard, a mouse and the like are used. Further, a microphone and voice recognition means may be provided to serve as the operation unit 25.

The control means 26 is a circuit for controlling various circuits in the terminal device 3-1. This control means 26
Is composed of a CPU, a semiconductor memory storing a program executed by the CPU, and / or a large-scale storage device such as a hard disk device.

Although the terminal device 3-1 has been described here, the other terminal devices 3-2 to 3-N have the same configuration. However, the terminal devices 3-1 to 3-N do not have to be devices of the same type, and may have different configurations depending on the type as long as they have similar functions.

Next, the operation of the above system will be described. FIG. 4 is a sequence diagram illustrating a communication method in the communication system according to the first embodiment.

First, when the control server 1 receives information addressed to a user via the communication network 5 (step S1), the control server 1 refers to the correspondence information 41 in the storage means 13 and registers for the user. The specified terminal devices 3-1 to 3-N are specified, and the pager numbers assigned to the N receiving units 21 in the terminal devices 3-1 to 3-N are specified (step S2). At that time, in the control server 1, the communication unit 12 receives the information addressed to the user, the control unit 14 refers to the correspondence information 41 to identify the user, and a plurality of users corresponding to the user are identified. The N pager numbers of the terminal devices 3-1 to 3-N are specified.

Next, the control server 1 transmits a pager signal indicating an incoming request for information addressed to the user to the specified pager numbers of all the terminal devices 3-1 to 3-N (step S3). . At that time, in the control server 1, the control unit 14 controls the wireless communication control unit 11 to transmit the pager signal.

When the incoming call request is transmitted to a plurality of pager numbers, for example, the control server 1 sequentially sends the incoming call requests to the pager numbers one by one. Alternatively, if the broadcast communication is possible by grouping or branching the pager numbers, the incoming call request may be simultaneously transmitted to the plurality of pager numbers by the broadcast communication.

The control server 1 also generates a unique event ID for the received information addressed to each user, and the event ID together with the incoming request is sent to the terminal devices 3-1 to 3-N.
It may be transmitted to.

All the terminal devices 3-1 to 3-N receive the pager signal indicating the incoming call request (step S
4) Notify that an incoming call request has been received (step S
5). For example, the terminal devices 3-1 to 3-N display a predetermined image on the display unit 23 to notify that the incoming call request has been received. At that time, in each terminal device 3-i, the receiving unit 21 receives the pager signal and supplies the pager signal to the control means 26. When the control means 26 receives the incoming call request, the control means 26 sends predetermined image data to the image processing circuit 24. Supply and display means 23
To display a predetermined image.

After that, when the user notices that the incoming call request has been received, the terminal device 3-K used for the incoming call is received.
Is selected, and a predetermined operation is performed on the operation unit 25 of the terminal device 3-K.

Of the N terminal devices 3-1 to 3-N associated with the user, the terminal device 3-K is
When the user performs a predetermined operation, a signal indicating permission for incoming call is transmitted to the control server 1 via the communication path 4-K and the communication network 5 (step S6). At that time, in the terminal device 3-K, the control means 26 senses an operation on the operation unit 25, and if it judges that a predetermined operation has been performed, it controls the communication means 22 to transmit a signal indicating the incoming call permission.

The terminal device 3-K includes the pager number assigned to the receiving unit 21 of the terminal device 3-K in the incoming call permission. If the pager number is a branch number, the terminal device 3-K may include the branch number.

Further, when the terminal device 3-K receives the event ID together with the incoming call request, it sends the event ID to the control server 1 together with the incoming call permission.

Upon receiving the incoming call permission (step S7), the control server 1 specifies the terminal device 3-K selected by the user based on the incoming call permission, and determines the destination of the information addressed to the user. The terminal device 3-K is set (step S8). At that time, in the control server 1, the communication means 12
Upon receiving the signal indicating the incoming call permission, the control unit 14 is notified that the incoming call permission has been received, and the control unit 14 identifies the terminal device 3-K that has transmitted the incoming call permission, and the destination of the information addressed to the user. To the terminal device 3-K.

When the incoming call permission includes the pager number (or branch number), the control server 1 extracts the pager number (or branch number) and based on the pager number (or branch number). , Specifies the terminal device 3-K selected by the user. Also, the control server 1
When the event ID is transmitted together with the incoming call request, the event ID received together with the incoming call permission specifies the information addressed to the user who is the target of the incoming call permission.

As described above, according to the first embodiment, the control server 1 includes the user and the plurality of terminal devices 3-1 to 3-1.
When the information of the correspondence relationship with the plurality of identifiers belonging to 3-N is stored and the information addressed to the user is received, the incoming call is made to the plurality of terminal devices 3-1 to 3-N designated by the user. When a request is transmitted and an incoming call permission is received from any of the terminal devices 3-K, the terminal device 3-K that has transmitted the incoming call permission
Is the destination of the information addressed to the user. On the other hand, when the terminal device 3-1 to 3-N receives an incoming call request from the control server 1, the terminal device 3-1 to 3-N notifies the reception of the incoming call request, and when the user performs a predetermined operation, permits the incoming call. Send to the control server 1. Accordingly, the user who uses the plurality of terminal devices 3-1 to 3-N can select the most suitable terminal device 3-according to the situation.
Various communication services can be received by K.

Further, according to the first embodiment, the control server 1 transmits the incoming call request to the plurality of terminal devices 3-1 to 3-N via the pager line. As a result, it is possible to reliably transmit the incoming call request to the terminal devices 3-1 to 3-N scattered over a wide range by utilizing the high signal reachability of the pager system.

Further, according to the first embodiment, in the case where the control server 1 transmits the incoming call request to the plurality of terminal devices 3-1 to 3-N simultaneously by the broadcast communication,
The incoming request can be transmitted to the plurality of terminal devices 3-1 to 3-N in a short time.

Embodiment 2. The communication system according to the second embodiment of the present invention is the electronic mail belonging to the terminal device 3-K selected when the user receives the electronic mail addressed to the user by the communication system according to the first embodiment. It is designed to be delivered to the address.

The communication system according to the second embodiment is
Although it has the same device as the communication system according to the first embodiment, one user e-mail address is assigned to each user. Further, the control server 1 has a function of an electronic mail server, stores the user's mail address as the correspondence information 41, and associates the user's mail address with the terminal owned or used by the user. A plurality of electronic mail addresses (transfer destination mail addresses) belonging to the devices 3-1 to 3-N and the terminal device 3-
The pager numbers of N receiving units 21 built in 1 to 3-N are stored.

FIG. 5 is a diagram showing an example of the correspondence information 41 stored in the control server 1 in the communication system according to the second embodiment. As the correspondence information 41, for example, as shown in FIG. 5, for one user, one user mail address and a transfer destination mail address and pager number corresponding to each of the plurality of terminal devices 3-1 to 3-N. Is memorized. In the correspondence information 41 shown in FIG. 5, a user e-mail address “k12345@xxx.com” is assigned to a certain user, and three terminal devices are used as transfer destinations of the e-mail addressed to the user e-mail address. 3-1 to 3-3 are set. One of them has a forwarding email address of "shiro @ zz
z. ne. jp ”and the pager number is“ 020-1
It is the terminal device 3-1 which is "234-2323". The other one is that the transfer destination email address is "090xx
xxxxxx @ ccc. ne. jp ”and the pager number is“ 020-1234-5678 ”3
-2. The remaining one is the terminal device 3-3 having the transfer destination email address of “white@yyy.co.jp” and the pager number of “020-1234-8765”.

Further, for example, the terminal device 3-1 is a home personal computer having the receiving unit 21 built therein, and the electronic mail address “sh” provided from the ISP.
iro @ zzzz. ne. jp ”is an electronic mail address (transfer destination mail address) belonging to the personal computer. Further, for example, the terminal device 3-2
Is a mobile phone with a built-in receiving unit 21, and the e-mail address “09” provided by the mobile phone carrier is
0xxxxxxx @ ccc. ne. jp ”is the electronic mail address (transfer destination mail address) belonging to the mobile phone. Furthermore, for example, the terminal device 3-3
Is a personal computer used by the user at the company, and the e-mail address “white@yyy.co.j” provided by the company or the ISP contracted by the company.
“P” is an electronic mail address (transfer destination mail address) belonging to the personal computer.

The pager numbers of the terminal devices 3-1 to 3-N registered for one user are the terminal devices 3-1 to 3-N when grouping is possible. You may use the pager number which shows a group uniformly.
If a branch number can be attached to the pager number, one pager number is assigned to each of the terminal devices 3-1 to 3-N registered for one user. 3-i (i = 1, ..., N) may be specified by a branch number. This saves pager numbers.

Next, the operation of the above system will be described. FIG. 6 is a sequence diagram illustrating a communication method in the communication system according to the second embodiment.

First, when the control server 1 receives an electronic mail addressed to a user via the communication network 5 (step S21), the correspondence information 4 in the storage means 13 is obtained.
1 to identify a plurality of terminal devices 3-1 to 3-N registered for the user, and to identify the terminal device 3-
The pager numbers assigned to the N reception units 21 of 1 to 3-N are specified (step S22).

Next, the control server 1 transmits a pager signal indicating an incoming call request to all the specified pager numbers of the terminal devices 3-1 to 3-N (step S2).
3).

When all the terminal devices 3-1 to 3-N receive the pager signal indicating the incoming call request (step S
24) Informing that the incoming call request has been received (step S)
25). At that time, the terminal devices 3-1 to 3-N display a predetermined image on the display unit 23 to notify that the incoming call request has been received.

Further, the control server 1 sends the information of the sender of the electronic mail addressed to the user, the title of the electronic mail, the text of the electronic mail (or the first part thereof), etc. together with the incoming call request to the terminal devices 3-1 to 3-3- To the terminal device 3-1 to 3
-N may notify reception of the incoming call request and display information of the sender of the electronic mail addressed to the user.

After that, when the user notices that the incoming call request has been received, he / she selects the terminal device 3-K to be used for receiving the electronic mail, and the operation unit 2 of the terminal device 3-K is selected.
A predetermined operation is performed on 5.

Of the N terminal devices 3-1 to 3-N associated with the user, the terminal device 3-K is
When the user performs a predetermined operation, a signal indicating permission for incoming call is transmitted to the control server 1 via the communication path 4-K and the communication network 5 (step S26).

When the control server 1 receives the incoming call permission from the terminal device 3-K selected by the user (step S
27), the destination of the electronic mail addressed to the user is the electronic mail address belonging to the terminal device 3-K (step S28).

That is, step S21 to step S2
The process of No. 8 is step S in the first embodiment (FIG. 4).
1 to step S8.

Then, the control server 1 uses the terminal device 3
-The email is transferred to the email address belonging to K (step S29).

On the other hand, the user operates the terminal device 3-K after performing a predetermined operation on the terminal device 3-K selected to receive the electronic mail, and then operates the terminal device 3-K.
Obtain an email addressed to the email address belonging to K. At this time, the terminal device 3-K accesses the electronic mail server (POP3 server or the like) based on the information preset for the electronic mail program in response to the user's operation, and the terminal device 3-K Obtain an email addressed to the email address belonging to (step S3
0).

As described above, according to the second embodiment, the control server 1 controls the user and the plurality of terminal devices 3-1 to 3-1.
When the electronic mail addressed to the user is stored and the information on the correspondence with the plural electronic mail addresses belonging to 3-N is stored, the plural terminal devices 3-1 designated by the user are stored.
To 3-N, and when the incoming permission is received from any of the terminal devices 3-K, the e-mail address belonging to the terminal device 3-K that has transmitted the incoming permission is sent to the user. It is the destination of the email and the email is forwarded to that destination. Thereby, the plurality of terminal devices 3-1 to 3-3
A user who uses -N can obtain an e-mail addressed to himself by the most suitable terminal device 3-K depending on the situation.

Further, according to the second embodiment, the control server 1 transmits the information of the sender of the electronic mail addressed to the user to the terminal devices 3-1 to 3-N together with the incoming call request, and the terminal device 3 -1 to 3-N notify the reception of the incoming call request and display the information of the sender of the electronic mail addressed to the user.
This allows the user to more appropriately select the terminal device 3-K from the content of the email.

Embodiment 3. The communication system according to Embodiment 3 of the present invention uses the telephone number of the terminal device 3-K selected when the user receives a telephone call addressed to the user by the communication system according to Embodiment 1. It is designed to receive an incoming call.

The communication system according to the third embodiment is
Although it has the same device as the communication system according to the first embodiment, one user number (pager number or telephone number) is assigned to each user. In addition, the control server 1 stores the user number as the correspondence information 41 and associates the user number with the user number to belong to the terminal device 3-1 to 3-N owned or used by the user. Telephone number (transfer destination telephone number) and terminal device 3-1
Stores pager numbers of N receiving units 21 incorporated in 3 to 3-N.

FIG. 7 is a diagram showing an example of the correspondence information 41 stored in the control server 1 in the communication system according to the third embodiment. As the correspondence information 41, for example, as shown in FIG. 7, for one user, one user number and a transfer destination telephone number and a pager number corresponding to each of the plurality of terminal devices 3-1 to 3-N are set. Remembered.
In the correspondence information 41 shown in FIG. 7, a user is given "0
The user number "20-1222-8372" is assigned, and as a transfer destination of the call addressed to the user number,
Three terminal devices 3-1 to 3-3 are set. One of them has a forwarding phone number of "03-3xxx-5".
678 ”and the pager number is“ 020-1234-
2323 "is the terminal device 3-1. Also other 1
One is that the transfer destination telephone number is "090-8xxx-726.
2 "and the pager number is" 020-1234-56.
It is the terminal device 3-2 which is "78". The other one is a transfer destination telephone number "044-xxx-3482" and a pager number "020-1234-8765".
Is the terminal device 3-3.

For example, the terminal device 3-1 is a home fixed telephone having the receiving unit 21 built-in, and has a telephone number "03-3xx" provided by NTT, a telecommunications carrier.
"x-5678" is the telephone number (transfer destination telephone number) belonging to the fixed type telephone. In addition, for example, the terminal device 3-2 is a mobile phone having the receiving unit 21 built-in, and the telephone number “090” provided by the mobile phone operator.
"-8xxx-7262" is the telephone number (transfer destination telephone number) belonging to the mobile phone. Furthermore, for example, the terminal device 3-3 is a fixed-type telephone (or extension telephone) of the user's company, and the telephone number "044-xxx-3482" provided by NTT belongs to the telephone. It is used as a number (transfer destination telephone number).

FIG. 8 is a block diagram showing the configuration of the terminal device 3-1 in the communication system according to the third embodiment. In FIG. 8, an audio codec 28 is a circuit that converts audio data into audio signals and converts audio signals into audio data. The speaker 29 is a device that is supplied with the voice signal of the other party and outputs the corresponding voice, and the microphone 30 is a device that receives the voice of the user and outputs the corresponding voice signal.

Since the other constituent elements in FIG. 8 are the same as those in the first embodiment (FIG. 3), description thereof will be omitted. In addition, here, the terminal device 3
-1 has been described, but other terminal devices 3-2 to 3-N
Also has the same configuration. However, the terminal device 3-1
3 to 3-N do not have to be the same type of device, and may have different configurations depending on the type as long as they have the same function.

Next, the operation of the above system will be described. FIG. 9 is a sequence diagram illustrating a communication method in the communication system according to the third embodiment.

First, when the control server 1 receives a call addressed to a user, that is, a user number of a user via the communication network 5 (step S41), it refers to the correspondence information 41 in the storage means 13. Then, the plurality of terminal devices 3-1 to 3-N registered for the user
Is specified and the pager numbers assigned to the N receiving units 21 of the terminal devices 3-1 to 3-N are specified (step S42).

Next, the control server 1 transmits a pager signal indicating an incoming call request to the specified pager numbers of all the terminal devices 3-1 to 3-N (step S4).
3).

When all the terminal devices 3-1 to 3-N receive the pager signal indicating the incoming call request (step S
44), and notifies that the incoming call request has been received (step S
45). At that time, the terminal devices 3-1 to 3-N display a predetermined image on the display unit 23 to notify that the incoming call request has been received.

Further, the control server 1 sends the telephone number of the caller of the call addressed to the user together with the incoming call request to the terminal devices 3-1 to 3-3-.
The terminal device 3-1 to 3-N may notify the reception of the incoming call request and display the telephone number of the caller.

After that, when the user notices that the incoming call request has been received, he / she selects the terminal device 3-K to be used for receiving the electronic mail, and the operation unit 2 of the terminal device 3-K is selected.
A predetermined operation is performed on 5.

Of the N terminal devices 3-1 to 3-N associated with the user, the terminal device 3-K is
When a predetermined operation is performed by the user, a signal indicating permission for incoming call is transmitted to the control server 1 via the communication path 4-K and the communication network 5 (step S46).

When the control server 1 receives the incoming call permission from the terminal device 3-K selected by the user (step S
47), the destination of the call addressed to the user is the terminal device 3-
The telephone number belongs to K (step S48).

That is, steps S41 to S4
The process of No. 8 is step S in the first embodiment (FIG. 4).
1 to step S8.

Then, the terminal device 3-K receives the call addressed to the user, establishes a line with the device of the calling party, and starts the call processing (step S49).

At this time, in the third embodiment, the control server 1 functions as an exchange, transfers the call as it is to the telephone number belonging to the terminal device 3-K, and the terminal device 3-K calls. Establishes a line with the caller's equipment.

Alternatively, the control server 1 establishes the first line with the caller's device based on the call addressed to the user, and at the same time, makes a new call to the terminal device 3-K. To the terminal device 3-K, and the terminal device 3-K
By establishing a second line with K, the terminal device 3-
K may establish a line with the caller's device via the control server 1 via the first and second lines.

As described above, according to the third embodiment, the control server 1 is configured so that the user and the plurality of terminal devices 3-1 to 3-1.
When information of correspondence with a plurality of telephone numbers belonging to 3-N is stored and a call addressed to the user is received, the terminal devices 3-1 to 3-N designated by the user are stored. When an incoming call request is transmitted and an incoming call permission is received from any of the terminal devices 3-K, the terminal device 3-K that has transmitted the incoming call permission.
The telephone number belonging to is the destination of the call to the user. As a result, a user who uses the plurality of terminal devices 3-1 to 3-N can receive a telephone call addressed to himself by the most suitable terminal device 3-K depending on the situation.

Further, according to the above-mentioned third embodiment, the control server 1 functions as an exchange, makes the received call reach the telephone number which is the destination of the call addressed to the user, and sends the call-accepting permission to the terminal. The device 3-K establishes a line with a call originator.

Furthermore, according to the third embodiment, the control server 1 calls the telephone number which is the destination of the call addressed to the user, and the terminal device 3-K which has transmitted the incoming permission is the control server 1. A line is established with the originator of the call addressed to the user via.

Fourth Embodiment The communication system according to the fourth embodiment of the present invention is the terminal device selected by the user after receiving the telephone call addressed to the user by the control server 1 by the communication system according to the first embodiment. The call is originated from 3-K to the caller's device.

The configuration of the communication system according to the fourth embodiment is similar to that of the third embodiment. However, the operation of the terminal device 3-K and the control server 1 after transmitting / receiving the incoming call permission is different from that of the third embodiment. That is, as the control means 26 of the terminal device 3-K and the control means 14 of the control server 1, those modified to perform the following processing are used.

Next, the operation of the above system will be described. FIG. 10 is a sequence diagram illustrating a communication method in the communication system according to the fourth embodiment.

Since the processing of steps S41 to S47 in FIG. 10 is the same as that of the third embodiment, the description thereof will be omitted.

In the communication system according to the fourth embodiment, when the control server 1 receives the incoming permission from the terminal device 3-K, the control server 1 sends the telephone number of the caller to the terminal device 3-K by a pager signal. As (step S6)
1). The telephone number of the calling party is extracted by the control server 1 from the information on the calling side included in the call received in step S41.

In the terminal device 3-K selected by the user, the receiving unit 21 receives the pager signal from the control server 1 and acquires the telephone number of the calling party (step S6).
2). Then, the terminal device 3-K makes a call to the telephone number (step S63).

At this time, if a so-called collect call service can be provided, the terminal device 3-K designates the call originator as the recipient of the communication charge and makes a call to the telephone number of the call originator. You may make an outgoing call.

When the call is received by the caller's device, the terminal device 3-K establishes a line with the caller's device and starts the call processing.

When the control server 1 transmits the caller's telephone number to the terminal devices 3-1 to 3-N together with the incoming call request, the processes of steps S46, S47, S61 and S62 are omitted, and the steps are omitted. The terminal device 3-K that has undergone a predetermined operation by the user in S63 may call the caller.

As described above, according to the fourth embodiment, the control server 1 is configured so that the user and the plurality of terminal devices 3-1 to 3-1.
When information of correspondence with a plurality of telephone numbers belonging to 3-N is stored and a call addressed to the user is received, the terminal devices 3-1 to 3-N designated by the user are stored. When an incoming call request is transmitted and an incoming call permission is received from any of the terminal devices 3-K, the terminal device 3-K that has transmitted the incoming call permission.
The telephone number belonging to is the destination of the call to the user. As a result, a user who uses the plurality of terminal devices 3-1 to 3-N can receive a telephone call addressed to himself by the most suitable terminal device 3-K depending on the situation.

Further, according to the fourth embodiment, the control server 1 transmits the telephone number of the originator of the call to the terminal device 3-K which has transmitted the incoming call permission, and the terminal device 3-K makes the call. When the telephone number of the sender is received, a call to that telephone number is made.

Further, according to the fourth embodiment, the terminal device 3-K originates a call to the telephone number of the originator of the call by designating the originator of the call as the recipient of the communication charge. As a result, the called party does not have to bear the communication charge.

Embodiment 5. FIG. The communication system according to the fifth embodiment of the present invention is the same as the above-described second and third embodiments.
Alternatively, it is a combination of the fourth embodiment, in which the control server 1 receives information addressed to a plurality of types of users such as e-mail and telephone call, and belongs to the terminal device 3-K selected by the user. An identifier suitable for the type is selected from a plurality of identifiers such as a mail address and a telephone number.

The communication system according to the fifth embodiment has the same devices as the communication system according to the first embodiment, but the control server 1 and the terminal devices 3-1 to 3-N.
The following functions are added to.

Further, the control server 1 uses a plurality of identifiers belonging to the plurality of terminal devices 3-1 to 3-N (as information on the correspondence relationship between the user and the plurality of terminal devices 3-1 to 3-N). The transfer destination mail address and the transfer destination telephone number are stored in association with the identifier (the above-mentioned user mail address and user number) assigned to the user. That is, the control server 1 stores, for one terminal device 3-i, a plurality of identifiers (transfer destination mail address and transfer destination telephone number) according to the type of information addressed to the user.

Next, the operation of the above system will be described.

When the control server 1 receives the information addressed to the user, the control server 1 transmits the incoming call request and the type of the information addressed to the user to the plurality of terminal devices 3-1 to 3-N.

Upon receiving the incoming call request and the type of information addressed to the user, the terminal devices 3-1 to 3-N notify the reception of the incoming call request and also notify the type of information addressed to the user.

When receiving the incoming call permission from the terminal device 3-K selected by the user, the control server 1 selects one of the plurality of identifiers (e-mail address and telephone number) for the terminal device 3-K. An identifier corresponding to the type of information addressed to the user is set as the destination of the information addressed to the user.

Thereafter, the control server 1 operates similarly to the second embodiment when the information addressed to the user is an electronic mail, and when the information addressed to the user is a telephone call. The operation is similar to that of the third or fourth embodiment.

As described above, according to the fifth embodiment, the control server 1 provides the terminal devices 3-i with a plurality of identifiers (for example, transfer destination mails) according to the type of information addressed to the user. Address and transfer destination telephone number) are stored. Then, the control server 1 transmits the type of the information addressed to the user to the plurality of terminal devices 3-1 to 3-N together with the incoming call request, and among the plurality of identifiers for the terminal device 3-K that transmitted the incoming call permission, An identifier corresponding to the type of information addressed to the user is set as the addressee of the information addressed to the user. Thereby, even if the information addressed to a plurality of types of users are mixed, the information addressed to a user of any type can be received smoothly.

Although the display means 23 is used as the notification means in the above-described first to fifth embodiments, a speaker or the like is provided as the notification means, and a predetermined voice is emitted from the speaker or the like, whereby the incoming call request by the reception unit 21 is made. May be notified. Further, a vibrator or the like may be provided as the notification means, and vibration of the vibrator may notify the reception of the incoming call request by the reception unit 21.

In the first to fifth embodiments described above, if the control server 1 does not receive the incoming call permission even after a lapse of a predetermined time after transmitting the incoming call request, the information addressed to the user (email Or a telephone call) may be transmitted to a preset destination. Alternatively, the control server 1 may discard the information addressed to the user when the incoming call permission is not received even after a lapse of a predetermined time after transmitting the incoming call request.

Furthermore, in the above first to fifth embodiments,
After receiving the incoming call request, the terminal device 3-K transmits an incoming call rejection to the control server 1 in response to a predetermined operation by the user, and when the control server 1 receives the incoming call rejection, the information addressed to the user is received. May be discarded. Alternatively, the control server 1 may return a message indicating that the call cannot be received when the call rejection is received from any of the terminal devices 3-K.

Furthermore, in the above first to fifth embodiments,
The terminal device 3-K transmits a transfer request to the control server 1 together with transfer destination information (e-mail address, telephone number, etc.) in response to a predetermined operation by the user after receiving the incoming call request, and the control server 1 When a transfer request is received, it is sent to the destination indicated by the transfer destination information received with the transfer request.
The information addressed to the user may be transferred.

Furthermore, in the above first to fifth embodiments,
Greenwich Mean Time or other time information indicating the current time, base station information of the radio base station 2 of the pager system, G
The current position information acquired by PS (Global Positioning System) or the like may be included in the incoming call permission, and the history such as the incoming time and the incoming position may be stored in the control server 1 as log information. This makes it possible to use the log information to identify an unauthorized callee even when the communication system is used with unauthorized incoming permission. Further, when the incoming call permission is received, the control server 1 can refer to the log information about the user and detect in advance that the incoming call permission is improper.

In the above first to fifth embodiments,
Although the incoming call request is transmitted via the pager line, another communication method may be used. Further, the incoming call request and incoming call permission may be transmitted and received using a predetermined bidirectional communication method.

In the second embodiment, the electronic mail service is provided as the IP network service, but other IP network services can be provided similarly.

[0147]

According to the present invention, a communication system, a control server, a terminal device and a communication method which enable a user who uses a plurality of terminal devices to receive various communication services by the most suitable terminal device depending on the situation. Can be obtained.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a communication system according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of a control server in FIG.

FIG. 3 is a block diagram showing a configuration of a terminal device in FIG.

FIG. 4 is a sequence diagram illustrating a communication method in the communication system according to the first embodiment.

FIG. 5 is a diagram showing an example of correspondence information stored in a control server in the communication system according to the second embodiment.

FIG. 6 is a sequence diagram illustrating a communication method in the communication system according to the second embodiment.

FIG. 7 is a diagram showing an example of correspondence information stored in a control server in the communication system according to the third embodiment.

FIG. 8 is a block diagram showing a configuration of a terminal device in the communication system according to the third embodiment.

FIG. 9 is a sequence diagram illustrating a communication method in the communication system according to the third embodiment.

FIG. 10 is a sequence diagram illustrating a communication method in the communication system according to the fourth embodiment.

[Explanation of symbols]

1 control server 3-1 to 3-N terminal device 11 Wireless communication control means (transmission means) 12 Communication means (first receiving means, second receiving means) 13 storage means 14 Control means 21 receiving unit (receiving means) 22 Communication means (transmission means) 23 Display means (informing means) 25 Operation part 41 Correspondence information

   ─────────────────────────────────────────────────── ─── Continued front page    F term (reference) 5K015 AA10 AD01 AD02 AF08 CA10                       GA02 GA06                 5K024 AA43 AA65 AA71 BB04 CC01                       CC07 CC11 DD03 DD04 EE06                       EE09 FF04 FF05 GG05 GG12                       HH04                 5K025 AA08 BB08 CC01 FF14 GG10                 5K051 AA05 BB01 BB02 CC01 CC04                       CC07 DD12 DD15 EE04 FF07                       FF23 HH26

Claims (14)

[Claims] 1. A plurality of terminal devices designated by a user, and a control server for receiving information addressed to the user, wherein the control server is a plurality of devices belonging to the user and the plurality of terminal devices. Storing the information of the correspondence relationship with the identifier of, and when receiving the information addressed to the user, transmits an incoming call request to the plurality of terminal devices specified by the user,
When an incoming call permission is received from any of the terminal devices, an identifier belonging to the terminal device that has transmitted the incoming call permission is set as a destination of information addressed to the user, and the terminal device receives the incoming call request from the control server. A communication system which notifies the reception of an incoming call request and transmits the incoming call permission to the control server when a predetermined operation is performed by a user. 2. The communication system according to claim 1, wherein the control server transmits the incoming call request to the plurality of terminal devices via a pager line. 3. The communication system according to claim 1, wherein the control server simultaneously transmits the incoming call request to the plurality of terminal devices by broadcast communication. 4. The control server stores information on a correspondence relationship between the user and a plurality of electronic mail addresses belonging to the plurality of terminal devices, and when the electronic mail addressed to the user is received, the use thereof is performed. When an incoming call request is sent to the plurality of terminal devices designated by a person and an incoming call permission is received from any one of the terminal devices, the above-mentioned e-mail address belonging to the terminal device that has transmitted the incoming call permission is used. The communication system according to claim 1, wherein the destination is an electronic mail addressed to a person, and the electronic mail is transferred to the destination. 5. The control server transmits information of a sender of an electronic mail addressed to the user to the terminal device together with the incoming call request, and the plurality of terminal devices notify reception of the incoming call request. 5. The communication system according to claim 4, wherein the information of the sender of the electronic mail addressed to the user is displayed. 6. The control server stores information on a correspondence relationship between the user and a plurality of telephone numbers belonging to the plurality of terminal devices, and when the user receives a call addressed to the user, the control server stores the information. When an incoming call request is sent to a plurality of designated terminal devices and an incoming call permission is received from any of the terminal devices, the telephone number belonging to the terminal device that has transmitted the incoming call permission is called to the user. The communication system according to claim 1, wherein the communication system is a destination of. 7. The control server functions as an exchange, causes the call to arrive at the telephone number that is the destination of the call addressed to the user, and the terminal device that has transmitted the call acceptance is addressed to the user. 7. The communication system according to claim 6, wherein a line is established with a call originator of the call. 8. The control server originates a call to the telephone number as a destination of a call addressed to the user, and the terminal device that has transmitted the call-in permission transmits the call via the control server. 7. The communication system according to claim 6, wherein a line is established with the source. 9. The control server transmits the telephone number of the call originator to the terminal device that has transmitted the call acceptance, and the terminal device that has transmitted the call acceptance is the originator of the call from the control server. 7. The communication system according to claim 6, wherein the telephone number is received and a call is made to the telephone number. 10. The terminal device according to claim 9, wherein the call originator designates the call originator as a recipient of the communication charge and originates a call to a telephone number of the call originator. Communications system. 11. The control server stores, for one terminal device, a plurality of the identifiers according to the type of information addressed to the user, and the type of information addressed to the user together with the incoming call request. To the plurality of terminal devices, and among the plurality of identifiers for the terminal device that has transmitted the incoming call permission, the identifier corresponding to the type of information addressed to the user is set as the destination of the information addressed to the user. The communication system according to claim 1, wherein: 12. Storage means for storing information on a correspondence relationship between a user and a plurality of terminal devices designated by the user, first receiving means for receiving information addressed to the user, Corresponding to the reception of the information addressed to the user by the first receiving means, transmitting means for transmitting an incoming call request to the plurality of terminal devices designated by the user, and corresponding to the incoming call request. A second receiving unit that receives an incoming call permission from any one of the terminal devices selected by the user, and a terminal device that transmits the incoming call permission received by the second receiving unit are addressed to the user. A control server, which is a destination of the information of, and a control server. 13. A receiving means for receiving an incoming call request transmitted to a plurality of terminal devices designated by the user when the control server receives information addressed to the user, and a notification for notifying receipt of the incoming call request by the receiving means. Means, an operation section operated by the user, and a permission to receive the information addressed to the user is transmitted to the control server when a predetermined operation is performed on the operation section after the notification by the notification means. A terminal device, comprising: 14. A step of receiving information addressed to a user by the control server, a step of sending an incoming call request from the control server to a plurality of terminal devices designated by the user, and an incoming call request by the terminal device. The step of notifying the reception of the incoming call request, and the step of transmitting the incoming call permission from the terminal device to the control server when the user performs a predetermined operation on one of the terminal devices that has received the incoming call request. And a step of making the terminal device, which has transmitted the incoming call permission, the destination of the information addressed to the user, by the control server.