JP2001306471A - Mobile body communication mail exchange system and its mail exchange control method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a user of portable telephone terminal who can not see the contents of an attachment file in an E-mail, able to see the contents. SOLUTION: When the attachment file exists in a reception mail to a portable telephone set 10-1, an exclusive mail server 60 transfers the mail comprising the attachment file to a transfer destination mail server 80, adds the file name of the attachment file to the text contents of the mail and transmits a mail where only text sentences from which information of the attachment file is erased are corrected to the portable telephone set. In the portable telephone set, the received mail is displayed comprising an attachment file name so that the user recognizes the existence of the attachment file. When the attachment exists, the user performs access to a transfer destination mail server from the data terminal of PC 20, etc., through the portable telephone set, opens the attachment file by the application of a data terminal and can confirm the contents.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile communication mail exchange system and a mail exchange control method thereof, and more particularly to a mobile communication mail exchange incorporated in a mobile communication system for distributing electronic mail addressed to a portable telephone terminal. The present invention relates to a system and its mail exchange control method.

[0002]

2. Description of the Related Art In a mobile communication system such as a mobile phone or a PHS, a mobile phone terminal (mobile phone, PHS phone) with a text display function receives Internet mail (e-mail: abbreviated as mail). Possible systems are used.

[0003]

The Internet mail includes not only a text-only mail but also a file of a file format whose contents cannot be displayed normally unless the application program (hereinafter, abbreviated as application) used at the time of creation is used. There is an email with (attached file) attached. Since there are many types of applications, the required applications cannot be implemented on a mobile phone that is lightweight and compact.
Even when an e-mail is received, not only cannot the contents of the attached file be viewed, but also the presence or absence of the attached file may not be known.

SUMMARY OF THE INVENTION An object of the present invention is to provide a mobile communication mail which enables a user of a mobile telephone terminal of a mobile communication system which cannot see an attached file of Internet mail (e-mail) to see the attached file. An exchange system and a mail exchange control method thereof are provided.

[0005]

A mobile communication mail exchange system according to the present invention is incorporated in a mobile communication system for delivering electronic mail addressed to a mobile telephone terminal, and manages transmission and reception of the electronic mail by the mobile telephone terminal. Then, the e-mail addressed to the mobile phone terminal is temporarily stored, and the saved e-mail is deleted from the attached file that can be displayed only by a specific application program to be only a text sentence. Performing a correction to add a name to a text sentence, transmitting the corrected e-mail to the mobile phone terminal, and transferring the uncorrected e-mail including the attached file to a pre-designated destination. Manages the transmission and reception of the e-mail of the designated transfer destination with the first mail server, and transfers the e-mail to the specified transfer destination. A second mail server that temporarily stores the received e-mail, the mobile phone terminal that displays only a text sentence including a file name of the attached file of the e-mail received from the first mail server, And a data terminal for accessing the mail server as the designated transfer destination, reading out the stored e-mail, and displaying the attached file by the built-in specific application program.

In the above configuration, the portable telephone terminal and the data terminal are connected, and the data terminal accesses the second mail server by dialing up via the portable telephone terminal. be able to.

Alternatively, the portable telephone terminal sets information indicating a transfer destination of the e-mail in the user / user information of the call setting message and transmits the e-mail, and the first mail server transmits the e-mail based on the information. It is possible to set and update the designated registration of the transfer destination of the unmodified e-mail including the attached file.

A mail exchange control method for a mobile communication mail exchange system according to the present invention is directed to a mail exchange control method for a mobile communication mail exchange system incorporated in a mobile communication system for delivering electronic mail addressed to a portable telephone terminal. In a first mail server that manages transmission and reception of e-mail of the mobile phone terminal, e-mail addressed to the mobile phone terminal is temporarily stored, and the stored e-mail is displayed only by a specific application program. Possible attachments are deleted to make only the text sentence, a correction is made to add the file name of the deleted attachment to the text sentence, and the modified e-mail is sent to the mobile phone terminal, and the attached file is deleted. Forwards the unmodified e-mail to the destination specified in advance. In a second mail server that manages transmission and reception of the e-mail of the destination, the e-mail transferred to the specified destination is temporarily stored, and in the mobile phone terminal, the e-mail is transmitted from the first mail server. Only the text part including the file name of the attached file of the received e-mail is displayed, and the data terminal used by the same user as the user of the mobile phone terminal is used to specify the specified text to the second mail server. Accessing the transfer destination to read out the stored e-mail and displaying the attached file by the built-in specific application program.

[0009] The above step may include a step of accessing the second mail server by dialing up the data terminal via the mobile phone terminal.

[0010] Alternatively, the mobile telephone terminal sets information indicating the transfer destination of the e-mail in the user / user information of the call setting message and transmits the information, and the first mail server transmits the information to the user / user information. Based on the specified registration of the transfer destination of the unmodified e-mail including the attached file,
Updating may be included.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The outline of the present invention will be described. A dedicated mail server that sends emails to mobile phone terminals (mobile phones, PHS phones) with a text display function of mobile communication systems such as mobile phones and PHS, and checks whether there is an attached file in the received email. When the presence of the attached file is confirmed, the user using the mobile phone terminal forwards the mail including the attached file to the transfer destination mail server designated for the exchange in advance, and the mobile phone terminal Add the text content part of the email from which the information of the attached file has been deleted, add the file name of the attached file as text after the text of the email, and send the email. The receiving-side mobile phone terminal displays the received mail including the attached file name on the display device so that the user can know whether or not there is an attached file of the mail from the display device.

When the user confirms the presence of the attached file from the mail, the user accesses the mail server of a certain transfer destination registered in the exchange in advance from a data terminal such as a personal computer (PC) and takes in the attached file into the data terminal. Since the data terminal can implement various applications unlike the mobile phone terminal, the data terminal can open the file with an application corresponding to the attached file (file format) and check the contents.
The mail server of the transfer destination can be specified by the user, and any mail server such as a mail server of another Internet connection company or a work company can be used as a dedicated mail server in the mobile communication mail exchange system of the present invention. But it is possible.

Next, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a system configuration diagram showing an embodiment of the present invention. In FIG. 1, the mobile communication mail exchange system of the present example is applied to a mobile communication system 1 using a conventional mobile phone as a mobile phone terminal having a function of displaying text. That is, the mobile communication system 1
Is a plurality of mobile phones 10 carried by a plurality of users, respectively (only two of 10-1 and 10-2 are shown in the figure)
And a plurality of base stations 30 (only two of the base stations 30-1 and 30-2 are shown in the figure) which perform wireless transmission and reception with each mobile phone 10, and the movement of each mobile phone 10 via each base station 30 It has an exchange 40 for managing and performing call control, a gateway processor 51 and routers 52 and 53 for connecting to other networks such as the Internet 70, and a dedicated mail server 60 for managing transmission and reception of mail.

The mobile communication mail exchange system according to the present invention has a dedicated mail server 60 of the mobile communication system 1.
(The switch 40 and the mobile phone 10 are also added a little), and a P for interface matching is added.
A personal computer (PC) 20 connected to the mobile phone 10 (10-1 in the figure) via a C card adapter (ADP) 21, an Internet 70 connected to a router 53, and an Internet 70 connected to the Internet 70, respectively. In addition, it has a transfer destination mail server 80 that manages transmission and reception of the transferred mail, and a transmission source terminal 90 that is a transmission source of the mail.

FIG. 2 is a diagram showing a configuration example of the dedicated mail server 60. In FIG. 2, the dedicated mail server 6 of this example
Reference numeral 0 denotes a network interface control unit 61 for connecting to a network between the routers 52 and 53, a mail hard disk 63 for storing mail, a keyboard 64 for receiving information input from an administrator, and information for the administrator. It has a display device 65 for displaying, and a mail exchange control unit 62 for controlling the above-mentioned units and transmitting / receiving mail to / from the outside.

In this dedicated mail server 60, the destination of the mail can be designated. When the mail is set from the keyboard 64 of the dedicated mail server 60, or when the mobile phone 10 transfers the mail to the user / user information area of the call setting message. In some cases, data specified earlier is added and specified from that information. The call setup message is a conventional call connection setup message for outgoing calls.

FIG. 3 is a diagram showing an example of the configuration of the mobile phone 10, showing only the portion related to the reception of mail (there is another portion related to the original telephone call of the mobile phone 10 but directly related to the present invention). There is no description, so description is omitted). In FIG. 3, the mobile phone 10 of the present embodiment outputs a radio signal control unit 11 that transmits and receives a radio signal to and from a base station 30 to and from a network radio signal interface, and outputs a sound that notifies a user of an incoming mail or the like. An external speaker 13 that outputs call voice, a display device 14 that displays information such as the content of mail to the user, a button 15 that receives information input from the user, a display control processing unit 12 that controls these,
Data terminal (PC2) via terminal interface 17
0), and a terminal signal control processing unit 16 that processes signals between 0 and 0).

FIG. 4 is a diagram showing a configuration example of the exchange 40. In FIG. 4, the exchange 40 of the present example includes a base station interface control unit 41 for connecting each base station 30,
It has a gateway processing device interface control unit 43 for connecting the gateway processing device 51 and a call control unit 42 that controls the above-described units and performs a call control process for the mobile phone 10.

Next, the operation of the mobile communication mail exchange system of the present invention will be described with reference to FIGS.

From the source terminal 90, the Internet 70
When an e-mail addressed to the mobile phone, for example, the mobile phone 10-1 is transmitted via the router 53, the email is sent to the dedicated mail server 60 through the router 53.

The dedicated mail server 60 performs processing for confirming whether there is an attached file in the mail sent from the Internet network. That is, the mail exchange control unit 62 temporarily copies the mail sent from the Internet network to the mail hard disk 63 and stores it. After the storage processing, the mail exchange control unit 62 determines whether the sent mail is a text-only mail or a mail having any attached file.

If there is an attached file, the mail exchange control unit 62 extracts the attached file name from the saved mail, writes the attached file name after the mail text portion as text, and deletes the attached file information. Perform correction (edit) processing. It should be noted that the mail before correction is saved as it is. After that, the corrected mail is transmitted to the mobile phone 10-1.

If there is no attached file, the mail exchange control unit 62 sends the stored mail as it is
Send it to address 0-1.

From the dedicated mail server 60, the router 52,
The process of transmitting an e-mail to the mobile phone 10-1 through the gateway processing unit 51, the exchange 40, and the base station 30 (the base station 30-1 in the figure) is the same as the conventional processing (detailed description is omitted).

The mail exchange control unit 62 of the dedicated mail server 60 determines whether the mail transfer destination (address) has been specified (registered) in advance after transmitting the corrected mail to the mobile phone 10-1. The unedited mail saved in the mail hard disk 63 is retrieved and transmitted to the designated transfer destination. The sent mail is
The mail is managed by a mail server that manages the mail of the designated transfer destination (address), for example, the transfer destination mail server 80, and is stored.

When receiving the mail from the base station 30-1, the mobile telephone 10-1 notifies the display control processing unit 12 of the mail information from the radio signal control unit 11. The display control processing unit 12 notifies the user of the reception of the mail by the external speaker 13 and performs a display process of the content of the mail information on the display device 14. The user can confirm the presence or absence of the attached file from the display device 14.

When a file name is given to the received mail, the user connects the data terminal (PC) 20 to the terminal interface 17 of the mobile phone 10-1 via the connection card (ADP) 21. Then, the user accesses the transfer destination mail server 80 registered in the dedicated mail server 60 in advance by dial-up connection, and sends the mail with the attached file from the transfer destination mail server 80 to the PC 20.
And the attached file can be opened by an application corresponding to the attached file.

It should be noted that the transfer destination mail server 8
0 is accessed without using the mobile phone 10-1.
It can also be performed using a wired line such as a public network.

Next, a description will be given of a processing operation when the transfer destination of the mail with the attached file in the dedicated mail server 60 is changed according to a user's instruction.

The user operates the button 15 of the mobile phone 10 (10-1) to input a mail transfer destination address (transfer destination data) while confirming the display on the display device 14. When the input of the mail transfer destination is determined by the user's button operation, the mobile phone 10 notifies the wireless signal control unit 11 of the transfer destination data from the display control processing unit 12 and gives a transmission instruction.

When receiving the transfer destination data and the transmission instruction, the radio signal controller 11 transmits the data to the base station 30 (30-1). The signal used for calling is added to the user / user information area of the parameter of the call setup message that has already been used by adding a new information area for specifying the transfer destination.
The transfer destination information specified by the user by a button operation is placed in the information area.

When the call control unit 42 of the call control exchange 40 recognizes that the user / user information of the call setting message from the mobile phone 10 received through the base station 30 includes the information for specifying the transfer destination, the user A transfer destination setting request message is created using the transfer destination information set in the user information, and the dedicated mail server 60 is notified of the transfer destination setting request message through the gateway processing unit 51 and the router 52.

Upon receiving the transfer destination setting request message, the dedicated mail server 60 stores (registers) the transfer destination information in the mail exchange control unit 62 in the dedicated mail server 60.
I do. When the storage process is completed, the mail exchange control unit 62 creates a transfer destination setting confirmation message based on the contents of the storage result, and the network interface control unit 61 and the router 5
2. The transfer destination setting confirmation message is transmitted to the exchange 40 via the gateway processing unit 51.

When the exchange 40 receives the transfer destination setting confirmation message from the dedicated mail server 60, the switching destination setting information notified from the dedicated mail server 60 is displayed in the display information area of the response message of the interface signal with the conventional mobile phone. Write the result of saving the confirmation message,
A response message is transmitted to the mobile phone 10 through the base station 30.

When the mobile phone 10 receives the response message at the radio signal controller 11, it notifies the display control processor 12 of the display information of the response message. Upon being notified of the display information from the wireless signal control unit 11, the display control processing unit 12 outputs the notification content to the display device 14 for display. This allows the user to know whether the transfer destination has been set correctly.

FIG. 5 shows a message sequence between the mobile phone 10, the exchange 40, and the dedicated mail server 60 in the mail transfer destination changing procedure described above. The transfer destination setting request message and the transfer destination setting confirmation message notified between the call control exchange 40 and the dedicated mail server 60 are newly defined.

[0038]

According to the present invention, temporary storage of mail addressed to a mobile phone terminal is performed in a mobile communication system such as a mobile phone or a PHS for delivering electronic mail addressed to the mobile phone terminal,
Deletes attachments that can be displayed only by a specific application program, changes them to text only, adds the file name of the deleted attachment, sends an e-mail to the mobile phone terminal, and modifies the file including the attachment Since a first mail server for transferring a previous mail to a transfer destination designated in advance and a second mail server for temporarily storing the transferred mail are provided, the mail sender sends the mail to the mobile phone terminal. It is possible to send an e-mail including an attached file created by an arbitrary application program, and the receiving user also knows the presence or absence of the attached file from the e-mail received by the mobile phone terminal, and transfers the second e-mail specified by the user. By accessing the server with a data terminal such as a PC, the contents of the attached file can be It is possible to open the interrupt file.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram showing an embodiment of the present invention.

FIG. 2 is a diagram illustrating a configuration example of a dedicated mail server in FIG. 1;

FIG. 3 is a diagram illustrating a configuration example of the mobile phone of FIG. 1;

FIG. 4 is a diagram illustrating a configuration example of the exchange in FIG. 1;

FIG. 5 is a diagram showing a message sequence between a mobile phone, an exchange, and a dedicated mail server when a mail transfer destination is changed.

[Explanation of symbols]

 10-1 and 10-2 Mobile phone 11 Radio signal control unit 12 Display control processing unit 14 Display device 15 Button 16 Terminal signal control processing unit 20 PC 30-1 and 30-2 Base station 40 Switch 60 Dedicated mail server 62 Mail exchange Control unit 63 Mail hard disk 70 Internet 80 Transfer destination mail server 90 Source terminal

Continued on the front page F term (reference) 5K030 GA18 HA06 HC01 HC09 HD03 HD05 JL01 JT02 JT09 LD11 LE11 5K067 AA34 BB21 DD51 EE02 EE16 HH17 9A001 BB04 CC05 CC07 DD11 JJ14 JJ25 JJ27 KK56

Claims (6)

[Claims] 1. A mobile communication system for distributing e-mail addressed to a mobile phone terminal, managing transmission and reception of e-mail by the mobile phone terminal, and temporarily storing e-mail addressed to the mobile phone terminal. In the saved e-mail, the attached file that can be displayed only by the specific application program is deleted to make only the text sentence, and the file name of the deleted attached file is added to the text sentence. A first mail server that transmits an e-mail to the mobile phone terminal and transfers an unmodified e-mail including the attached file to a pre-designated destination; and an e-mail of the specified destination. Manage the sending and receiving of
A second mail server for temporarily storing the e-mail transferred to the specified transfer destination; and a text sentence containing the file name of the attached file of the e-mail received from the first mail server. A mobile terminal for displaying, and a data terminal for accessing the second mail server as the designated transfer destination, reading out the stored e-mail, and displaying the attached file by the built-in specific application program. A mobile communication mail exchange system characterized by comprising: 2. The mobile phone terminal and the data terminal are connected to each other, and the data terminal accesses the second mail server by dialing up via the mobile phone terminal. 2. The mobile communication mail exchange system according to 1. 3. The mobile phone terminal sets information indicating a transfer destination of an e-mail in a user / user information of a call setting message and transmits the e-mail, and the first mail server sets the information based on the information. 2. The mobile communication mail exchange system according to claim 1, wherein the designated registration of the transfer destination of the unmodified electronic mail including the attached file is set and updated. 4. A mail exchange control method in a mobile communication mail exchange system incorporated in a mobile communication system for distributing electronic mail addressed to a mobile phone terminal, the method comprising: 1
In the mail server, the e-mail destined for the mobile phone terminal was temporarily stored, and the saved e-mail was deleted with only a text sentence by deleting an attached file that could be displayed only by a specific application program. A modification is made to add the file name of the attached file to the text sentence, and the modified e-mail is sent to the mobile phone terminal, and the unmodified e-mail including the attached file is sent to a pre-designated destination. A second mail server that manages the transmission and reception of the e-mail at the specified destination, temporarily stores the e-mail transferred to the specified destination, Displaying only the text portion including the file name of the attached file of the e-mail received from the first mail server, At the data terminal used by the same user as the user of the portable telephone terminal, the second mail server is accessed as the designated transfer destination and the stored e-mail is read and read by the specific application program incorporated therein. A mail exchange control method for a mobile communication mail exchange system, wherein the attached file is displayed. 5. The mobile communication mail exchange system according to claim 4, wherein the data terminal accesses the second mail server by dialing up via the mobile phone terminal. Control method. 6. The portable telephone terminal sets and transmits information indicating an e-mail transfer destination in a user / user information of a call setting message, and the first mail server transmits
5. The mail exchange control method for a mobile communication mail exchange system according to claim 4, wherein a designated registration of a transfer destination of the unmodified electronic mail including the attached file is set and updated based on the information.