JP3581532B2 - Communication device - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a communication device such as a facsimile device or an Internet facsimile device connected to a local area network (LAN).
[0002]
[Prior art]
2. Description of the Related Art In recent years, it has become possible to perform facsimile communication over the Internet to a destination terminal device connected to a LAN by Internet FAX software or PC-FAX software.
In facsimile communication via the Internet, e-mail can be added to image data and transmitted using TCP / IP, SMTP, MIME, or the like.
[0003]
2. Description of the Related Art Conventionally, a communication device that converts an e-mail received from a LAN into image data and transfers the image data to a facsimile machine designated by the e-mail via a public line (for example, see Japanese Patent Application Laid-Open No. Hei 7-143309). there were.
[0004]
A communication device that determines whether transmission by electronic mail is possible by the other party and converts the image data to image data to a destination that cannot be transmitted by e-mail and performs facsimile transmission (for example, Japanese Unexamined Patent Application Publication No. -217069).
[0005]
Furthermore, by using a system for transmitting facsimile information in the form of e-mail, by specifying an image data distribution destination and additional functions, it is possible to easily register and change the distribution destination and improve operability. There is an apparatus (for example, see Japanese Patent Application Laid-Open No. 5-91290).
[0006]
[Problems to be solved by the invention]
However, in the communication device as described above, either the content of the e-mail is converted into image data and transmitted, or the image data is all transmitted by e-mail, and software that handles image data is implemented. Even if the image data is attached to the e-mail and sent to the terminal device of the other party, the contents of the image data cannot be referred to.
[0007]
Also, the terminal device of the other party who wants to receive the image data by facsimile communication must make a call to notify the fact after the facsimile transmission or notify the user of the facsimile transmission by e-mail separately. there were.
[0008]
The present invention has been made in view of the above points, and has as its object to improve the convenience of facsimile transmission via the Internet.
[0009]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides means for performing facsimile communication with a communication device of a partner via a communication line, means for enabling electronic mail communication with a terminal device of the partner via a LAN, Means for transmitting and receiving e-mail to and from the terminal device connected by the means on the LAN, means for encoding image data so that the image data can be attached to the e-mail, e-mail address and facsimile relating to the terminal device of the destination. A destination information storage unit for storing image data attachment availability information indicating whether or not image data can be attached to a telephone number and an e-mail; and an e-mail based on the message data attachment availability information of the destination information storage unit at the time of facsimile transmission. The image data is encoded and sent to the destination terminal device to which the image data can be attached. Send as an attachment to Lumpur, non is to the destination terminal device provides a communication device having means for facsimile transmission of the image data as well as send e-mail to notify the facsimile transmission.
[0010]
Further, when facsimile transmission of the image data is performed together with the electronic mail, a means for transmitting the electronic mail after starting the facsimile transmission may be provided.
Further, it is preferable to provide means for switching the transmission timing of the electronic mail after a call connection for facsimile transmission or after completion of facsimile transmission.
[0011]
Further, when the transmission of the image data is interrupted, a means for transmitting an error communication mail for notifying the interruption to the terminal device of the other party may be provided.
Further, a means for rewriting the contents of the destination information storage means based on an instruction of a control command by e-mail received from the destination terminal device may be provided.
[0012]
A communication device according to a first aspect of the present invention stores an e-mail address, a facsimile telephone number, and image data attachment availability information indicating whether image data can be attached to an e-mail with respect to a destination terminal device, Based on the image data attachment availability information of the terminal device, the image data is encoded to the destination terminal device capable of attaching the image data to the e-mail, attached to the e-mail and transmitted via the LAN, An e-mail notifying of facsimile transmission is transmitted to the terminal device of the impossible destination, and image data is transmitted by facsimile via a communication line.
[0013]
Therefore, at the time of facsimile transmission, it is possible to automatically attach image data to an e-mail according to the destination and transmit the image data, or to transmit the image data by facsimile and transmit an e-mail notifying of the transmission. Can improve the convenience of facsimile transmission.
[0014]
Further, the communication device according to claim 2 of the present invention, when facsimile transmitting the image data together with the e-mail, transmits the e-mail after starting the facsimile transmission, so that the other party refers to the received e-mail. Facsimile reception can be confirmed at an early timing.
[0015]
Further, the communication device according to the third aspect of the present invention can switch the transmission timing of the electronic mail after a facsimile transmission call connection or after the facsimile transmission is completed.
Therefore, the other party can confirm facsimile reception at an early timing by referring to the received e-mail, or confirm completion of facsimile reception by referring to the e-mail.
[0016]
Furthermore, when the transmission of the image data is interrupted on the way, the communication device according to claim 4 of the present invention can transmit an error communication mail notifying the fact to the destination terminal device.
Therefore, the other party can easily know that all data has not arrived by facsimile reception by referring to the electronic mail.
[0017]
Further, the communication device according to claim 5 of the present invention can rewrite the contents of the destination information storage means based on the instruction of the control command by the electronic mail received from the destination terminal device.
Therefore, it is possible to easily change whether to transmit the image data attached to the e-mail from the destination or to transmit the image data by facsimile and transmit an e-mail notifying the transmission.
[0018]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings.
FIG. 1 is a diagram showing a communication system using a facsimile apparatus as an embodiment of the communication apparatus of the present invention and an internal configuration of the facsimile apparatus.
[0019]
In this communication system, a facsimile machine 1 is connected to a LAN connection device 3 such as a hub, bridge, router, or the like via a LAN 2, connected to the Internet 4 via the LAN connection device 3, and connected to the Internet 4. Is also connected to another LAN 6 via the LAN connection device 5.
Further, the facsimile apparatus 1 is also connected to a facsimile terminal apparatus 11 which can be connected to a LAN via a facsimile line 12.
[0020]
A server 7 and a client terminal device 8 are connected to the LAN 2.
The server 7 provides an electronic mail function to the client terminal device 8. The client terminal device 8 is a device such as a personal computer realized by a microcomputer having a function capable of referring to image data attached to an electronic mail.
[0021]
The LAN connection devices 3 and 5 are devices that connect the LANs 2 and 6 via the Internet 4 so that electronic mail can be exchanged. The LAN 6 is connected to a server 9, a client terminal device 10, and a facsimile terminal device 11 that can be connected to the LAN. The server 9 provides an e-mail function to the facsimile terminal device 11 that can be connected to the client terminal device 10 via a LAN.
[0022]
The client terminal device 10 is a device such as a personal computer realized by a microcomputer having a function capable of referring to image data attached to an electronic mail. As the facsimile terminal device 11 that can be connected to the LAN, the client terminal device 10 can be used, and facsimile communication with the facsimile device 1 via the facsimile line 12 is possible.
[0023]
The facsimile apparatus 1 includes a facsimile control unit 21, a file management unit 22, a destination information storage unit 23, a facsimile communication state monitoring unit 24, a facsimile communication control unit 25, an electronic mail control command recognition unit 26, an electronic mail control unit 27, an electronic mail It comprises a mail transmission timing control unit 28, an e-mail attached data encoding unit 29, and a LAN communication control unit 30.
[0024]
The facsimile control unit 21 includes an image reading unit, an image writing unit, an operation unit, and a facsimile transmission image encoding / decoding unit of the facsimile apparatus 1, and controls these units. Since these functions are the same as those of a normal facsimile machine, detailed description is omitted. Further, the facsimile control unit 21 also performs various processes according to the present invention.
[0025]
The file management unit 22 manages the execution state of the facsimile transmission file generated by the facsimile transmission operation using a file management table.
The destination information storage unit 23 stores facsimile telephone numbers of the client terminal devices 8 and 10 and the facsimile terminal device 11, e-mail addresses, image data attachment availability information indicating whether image data can be attached to the e-mail, and the like. I do.
[0026]
The facsimile communication status monitor 24 monitors the communication status of facsimile and e-mail. The facsimile communication control unit 25 controls facsimile transmission / reception with the facsimile terminal device 11 via the facsimile line 12.
The e-mail control command recognition unit 26 recognizes a command for rewriting information in the destination information storage unit 23 by e-mail, and rewrites and changes the image data attachment availability information in the destination information storage unit 23 based on the command.
[0027]
The e-mail control unit 27 controls an e-mail transmission / reception service via the LAN, and also performs processing according to the present invention. As a control method, it is preferable to use SMTP and POP (POP3).
The electronic mail transmission timing control unit 28 controls the electronic mail transmission timing for notifying the other party client terminal device of the facsimile transmission.
[0028]
The e-mail attached data encoding unit 29 performs encoding control for enabling image data from the image reading unit to be attached to the e-mail. For example, the image data may be converted into a TIFF file structure so that the image data can be interpreted by a client terminal device such as a PC, and MIME code conversion may be performed so that the image data can be attached to an e-mail.
[0029]
The LAN communication control unit 30 is connected to the LAN 2, exchanges e-mail with the client terminal device 8 via the server 7 on the LAN 2, connects to the Internet 4 via the LAN connection device 3, It is connected to another LAN 6 via the Internet 4 and exchanges e-mail with a client terminal device 10 via a server 9 on the LAN 6.
[0030]
That is, the facsimile communication control unit 25 functions as a means for performing facsimile communication with the other party's facsimile terminal device (communication device) 11 via the facsimile line (communication line) 12, and the LAN communication control unit 30 6 functions as a means for enabling electronic mail communication with the client terminal devices (terminal devices) 8 and 10 of the other party through the electronic mail controller 6. It functions as means for transmitting and receiving electronic mails on the terminal devices (terminal devices) 8 and 10 and the LANs 2 and 6.
[0031]
Further, the e-mail attached data encoding unit 29 functions as a unit for encoding image data so that it can be attached to the e-mail, and the destination information storage unit 23 relates to the client terminal devices (terminal devices) 8 and 10 of the destination. It functions as a destination information storage unit that stores image data attachment availability information indicating whether or not image data can be attached to an electronic mail address, a facsimile telephone number, and an electronic mail.
[0032]
Further, the facsimile control unit 21 and the e-mail control unit 27 are capable of attaching image data to an e-mail based on the image data attachment availability information of the destination information storage unit 23 at the time of facsimile transmission. The terminal device 8 encodes the image data, attaches the image data to the e-mail, and transmits the e-mail. To the client terminal device (terminal device) 10 to which the image data cannot be transmitted, the e-mail notifying the facsimile transmission is transmitted. Performs the function of a means for facsimile transmission.
[0033]
Further, when the electronic mail transmission timing control unit 28 performs facsimile transmission of the image data together with the electronic mail, the electronic mail transmission timing control unit 28 functions as a means for transmitting the electronic mail after starting the facsimile transmission.
Further, it also has a function of a means for switching the transmission timing of the electronic mail after a call connection for facsimile transmission or after completion of facsimile transmission.
[0034]
Further, when the transmission of the image data is interrupted on the way, the electronic mail control section 27 also has a function of transmitting an error communication mail for notifying the interruption to the client terminal device (terminal device) 10 of the other party.
Also, the function of the means for rewriting the contents of the destination information storage unit 23 based on the instruction of the control command by the electronic mail received from the client terminal devices (terminal devices) 8 and 10 of the destination by the electronic mail control command recognition unit 26 Fulfill.
[0035]
Next, transmission processing of image data in the facsimile machine 1 will be described. FIG. 2 is a diagram showing an example of the destination information list stored in the destination information storage unit 23.
[0036]
First, the user sets a transmission original on the facsimile machine 1 and specifies a destination. For example, when the facsimile device 1 designates the destination information number 1 as the destination from the operation unit, the image of the destination information number 1 (for example, the client terminal device 8) in the destination information list shown in FIG. Based on the information in the attachment permission / inhibition column, the destination judges that the message data can be attached to the e-mail.
[0037]
At the same time when the start button is pressed, the transmission file is created and managed, the image of the document is read, the accumulation of the image data is started, and the TIFF, It is encoded into MIME or the like, attached to the generated e-mail for the e-mail address of the destination information number 1, and transmitted to the client terminal device 8 via the LAN communication control unit 30.
[0038]
FIG. 3 is a diagram illustrating an example of an e-mail attached with image data transmitted from the facsimile device 1 to the client terminal device 8.
Upon receiving the e-mail from the facsimile device 1, the client terminal device 8 can refer to the facsimile document by opening the image data attached to the e-mail with predetermined application software.
[0039]
Next, similarly, for example, when the destination information number 2 is designated as the destination from the operation unit, the image attachment availability column of the destination information number 2 in the destination information list shown in FIG. Therefore, since the e-mail containing only the text document can be received, the attached image data is registered so as not to be restored. Therefore, the facsimile telephone number (2) of the destination information number 2 is transmitted via the facsimile communication control unit 25. For example, the image data stored in the facsimile terminal device 11) is transmitted by facsimile.
[0040]
At the same time, an e-mail notifying the facsimile transmission to the e-mail address of the destination information number 2 is generated and transmitted to the e-mail address (for example, the client terminal device 10).
The client terminal device 10 knows the facsimile reception by referring to the contents of the electronic mail, and obtains image data from the facsimile terminal device 11.
[0041]
In this way, the image data can be attached to an e-mail and transmitted to a destination to which the image data can be opened and referenced by a normal facsimile transmission operation.
Therefore, communication charges can be saved, paper resources of the other party can be saved, and convenience by notifying image data by e-mail addressed to an individual can be improved.
[0042]
Further, facsimile transmission can be performed to a destination that cannot open the image data, and facsimile transmission can be notified by e-mail, and the convenience of facsimile transmission can be improved by utilizing the Internet.
[0043]
Next, the transmission timing of an electronic mail at the time of facsimile transmission will be described. In this process, the status of facsimile transmission is monitored by the facsimile communication status monitoring unit 24, managed by the file management table of the file management unit 22, and the e-mail transmission timing control unit 28 starts the facsimile transmission before sending the e-mail. Send.
[0044]
FIG. 4 is a diagram showing an example of the file management table of the file management unit 22.
The file number 001 registered in the file management table indicates that the transmission of the e-mail attached with the facsimile image (image data) of 10 pages has been completed. In the file number 002, the facsimile image is being transmitted by facsimile, and the e-mail for performing the facsimile transmission notification has been transmitted with the file number 003.
[0045]
Since the file number 003 is a related file of the file of the file number 002, the relation with the parent number is also managed. The electronic mail of the file number 003 (002) determines the transmission state of the facsimile transmission of the file number 002, and when the electronic mail is being transmitted, the electronic mail transmission is started, indicating that the electronic mail has already been completed.
FIG. 5 is a diagram showing an example of an e-mail notifying the facsimile transmission from the facsimile device 1 to the client terminal device 8.
[0046]
Therefore, by transmitting an e-mail via the Internet 4 immediately when the point-to-point facsimile transmission is in a communication state, the user of the client terminal device 10 is receiving a facsimile at the time of receiving the e-mail. Also, it is possible to quickly know that facsimile reception has been completed.
[0047]
Next, if an e-mail is sent after facsimile transmission, it may be determined that the e-mail was received but not received by facsimile, or that the facsimile reception was not completed. It is preferable to switch the transmission timing of the mail as needed.
[0048]
In this process, the status of facsimile transmission is monitored by the facsimile communication status monitoring unit 24, managed by the file management unit 22, and the electronic mail transmission timing control unit 28 controls the electronic mail at the time of facsimile transmission based on the switching operation performed in advance. The transmission timing of the mail is switched after the call connection for facsimile transmission or after the completion of facsimile transmission.
[0049]
For example, if a setting is made to switch the transmission timing of the e-mail after the completion of the facsimile transmission, the e-mail transmission timing control unit 28 sends an e-mail notifying of the facsimile transmission when the facsimile transmission state of the file management unit 22 is completed. Send
[0050]
For example, if the e-mail transmission of the file number 003 is performed when the facsimile transmission of the file number 002 is completed, the user of the client terminal device 10 has completed the facsimile reception at the time of referring to the e-mail. Also, when facsimile reception is being performed, the inconvenience of having to wait for the completion of reception is not felt.
[0051]
In this way, if the e-mail is transmitted after the facsimile transmission, the other party can know the facsimile reception at an early timing by referring to the received e-mail. Further, if the e-mail is transmitted after the facsimile transmission is completed, the other party does not have to wait for the completion of the facsimile reception.
[0052]
Next, after the facsimile transmission is started and then notified by e-mail, the facsimile communication is interrupted due to an abnormality of the facsimile line 12 or the like, and if the page is interrupted in the middle of the facsimile communication, all the facsimile users can continue to receive the facsimile. Since there is a risk that the page may be determined to have arrived, it is preferable to notify the other party when facsimile transmission is interrupted.
[0053]
In this process, when the facsimile transmission is interrupted on the way, the electronic mail control unit 27 transmits an error communication mail notifying the fact to the client terminal device 10 of the other party.
[0054]
First, facsimile transmission is performed to the client terminal device 10 with the destination information number 3, and since an image cannot be attached to the e-mail, facsimile transmission and e-mail transmission indicating facsimile transmission are performed. Here, it is assumed that the electronic mail is transmitted immediately after the start of facsimile transmission.
[0055]
Thereafter, if a facsimile communication error occurs and the transmission is interrupted when the transmission of three pages out of the total number of pages 6 is completed, the facsimile transmission of the file number 004 in the file management table is in a recall waiting state, and is transmitted. The number of completed pages is 3/6.
[0056]
Also, since the e-mail with the file number 005 (parent number 004) has been transmitted immediately after the start of facsimile transmission, the e-mail has been completed. Send mail.
[0057]
The transmission of the error notification e-mail is controlled by the file number 006 (parent number 004), and the facsimile transmission is interrupted because the client terminal device 10 receives the e-mail notifying the facsimile transmission and then receiving the error notification e-mail. , You can easily know that there are more pages.
[0058]
FIG. 6 is a diagram showing an example of an error notification mail transmitted from the facsimile machine 1 to the client terminal device 10.
In this way, the other party can easily know that all data has not arrived by facsimile reception by referring to the electronic mail.
[0059]
Next, the above processing will be described with reference to the flowchart of FIG.
In this process, it is determined in step (indicated by "S" in the figure) 1 whether or not electronic mail transmission to a transmission destination is possible. If not, normal facsimile transmission processing is performed in step 8.
[0060]
If e-mail transmission is possible in step 1, it is determined in step 2 whether image data can be attached to the e-mail to the transmission destination. If attachment is possible, in step 9, the read image data is encoded for e-mail. And send it as an attachment to the transmission notification email.
[0061]
If it is determined in step 2 that the image data cannot be attached, a facsimile transmission file and an e-mail transmission file are created in step 3, a facsimile call to the destination facsimile terminal is started in step 10, and a facsimile transmission is performed in step 11. Is determined to be started, and if so, it is determined in step 4 whether or not facsimile transmission is started and the electronic mail transmission start mode is set.
[0062]
If it is determined in step 4 that the facsimile transmission is started and the e-mail transmission is in the start mode, an e-mail for facsimile transmission notification is transmitted in step 5 and the process proceeds to step 12. .
[0063]
In step 12, it is determined whether there is a facsimile transmission error. If so, an error notification mail is transmitted in step 14, and the process returns to step 10. If there is no facsimile transmission error, it is determined in step 13 whether facsimile transmission is completed. Then, if completed, it is determined in step 6 whether facsimile transmission has been completed and the electronic mail transmission start mode has been set.
[0064]
If it is determined in step 6 that the facsimile transmission is completed and the e-mail transmission start mode is set, then in step 7 the facsimile transmission completion e-mail is transmitted and the processing is terminated. If the facsimile transmission is completed and the e-mail transmission start mode is not set, the processing ends. .
[0065]
Next, when a change occurs in the information of the destination registered in the destination information storage unit 23, it takes time and effort to request the administrator of the facsimile apparatus 1 to change the information from the destination.
For example, at the destination, it is determined whether the image data can be attached to the e-mail at the time of registration of the destination information of the facsimile apparatus 1, so that it is desired that the image data can be attached to the e-mail later. If the situation changes, such as when the user wants to receive image data by facsimile, requesting the administrator of the facsimile apparatus 1 to change the registration is a complicated operation.
[0066]
Therefore, it is preferable that the facsimile apparatus 1 changes the contents of the destination information storage unit 23 based on the instruction of the electronic mail from the destination.
In this process, the e-mail control command recognition unit 26 rewrites and changes the contents of the destination information storage unit 23 based on the instruction of the control command by the e-mail received from the destination client terminal devices 8 and 10.
[0067]
For example, when changing whether the attachment of image data from the client terminal device 11 with the destination information number 2 is permitted or not from “not permitted” to “permitted”, an e-mail as shown in FIG. 8 is transmitted to the facsimile device 1. This e-mail includes a change instruction command, which is a control command for changing the destination information, a destination information number 2, and an instruction to set whether the attachment of the image data is “permitted”.
[0068]
When the facsimile apparatus 1 receives the e-mail, the e-mail control command recognizing unit 26 checks the contents of the instruction in the e-mail and the e-mail address of the instruction source, and the image of the destination information number 2 in the destination information storage unit 23 The information on whether or not data can be attached is rewritten from "No" to "Yes" and changed.
[0069]
Further, in order to enhance the security of rewriting the destination information, the sender ID of the e-mail for the change instruction may be checked, or the e-mail may be logged.
Further, when the e-mail address is not registered in the destination information storage unit 23, only facsimile transmission is performed.
[0070]
Next, the process of changing the above-mentioned destination information in the facsimile machine 1 will be further described with reference to the flowchart shown in FIG.
In this process, when an electronic mail is received from the other party, it is determined in step 21 whether or not there is a control command. If there is no control command, normal received mail processing is performed in step 25.
[0071]
If the command is a control command in step 21, it is determined in step 22 whether or not the instruction is for rewriting destination information. If not, the process proceeds to step 26 for determining another control command.
If the rewrite instruction is given in step 22, it is determined in step 23 whether or not the security is OK. If not, the received mail is ignored.
[0072]
If the security is determined to be OK in step 23, rewriting of the destination information is executed in step 24, and this processing ends.
[0073]
In this way, the destination information registered in the facsimile machine 1 can be easily changed from the destination by e-mail, and the convenience of the registration change can be improved.
[0074]
【The invention's effect】
As described above, according to the communication device of the present invention, the convenience of facsimile transmission via the Internet can be improved.
[Brief description of the drawings]
FIG. 1 is a diagram showing a communication system using a facsimile apparatus as an embodiment of a communication apparatus of the present invention and an internal configuration of the facsimile apparatus.
FIG. 2 is a diagram showing an example of a destination information list stored in a destination information storage unit 23 shown in FIG.
FIG. 3 is a diagram showing an example of an e-mail attached with image data transmitted from the facsimile machine 1 shown in FIG. 1 to the client terminal device 8;
FIG. 4 is a diagram showing an example of a file management table of a file management unit 22 shown in FIG.
FIG. 5 is a diagram showing an example of an electronic mail informing facsimile transmission from the facsimile apparatus 1 shown in FIG. 1 to the client terminal apparatus 8;
6 is a diagram showing an example of an error notification mail transmitted from the facsimile machine 1 shown in FIG. 1 to the client terminal device 10. FIG.
FIG. 7 is a flowchart showing a process of transmitting image data in the facsimile machine 1 shown in FIG.
8 is a diagram showing an example of an e-mail from the client terminal device 10 shown in FIG. 1 to the facsimile device 1 instructing a change of destination information.
9 is a flowchart showing a process of changing the destination information in the facsimile machine 1 shown in FIG.
[Explanation of symbols]
1: Facsimile machine 2, 6: LAN
3, 5: LAN connection device 4: Internet
7, 9: Server
8, 10: Client terminal device
11: Facsimile terminal device connectable to LAN
21: Facsimile control unit
22: File management unit
23: Destination information storage unit
24: Facsimile communication status monitor
25: Facsimile communication control unit
26: E-mail control command recognition unit
27: E-mail control unit
28: E-mail transmission timing control unit
29: E-mail attached data encoding unit
30: LAN communication control unit

Claims (5)

Means for performing facsimile communication with a communication device of the other party via a communication line,
Means for enabling e-mail communication with the terminal device of the other party via the LAN, means for transmitting and receiving e-mail on the LAN with the terminal device of the other party connected by the means,
Means for encoding the image data so that it can be attached to the e-mail;
Destination information storage means for storing image data attachment availability information indicating whether or not image data can be attached to the electronic mail address, facsimile telephone number, and email of the destination terminal device;
At the time of facsimile transmission, the image data is encoded and attached to the e-mail and transmitted to the destination terminal device capable of attaching the image data to the e-mail based on the image data attachment availability information of the destination information storage means. And a means for transmitting an e-mail notifying of facsimile transmission to an unreachable terminal device and facsimile transmitting image data. The communication device according to claim 1,
A communication apparatus, comprising: when facsimile transmission of image data together with the e-mail, means for transmitting an e-mail after starting facsimile transmission. The communication device according to claim 1,
A communication device, comprising: means for switching the transmission timing of the electronic mail after a call connection for facsimile transmission or after completion of facsimile transmission. The communication device according to claim 1,
When the transmission of the image data is interrupted on the way, a communication device is provided which transmits an error communication mail for notifying the interruption to the terminal device of the other party. The communication device according to claim 1,
A communication device, comprising: means for rewriting the contents of said destination information storage means based on an instruction of a control command by e-mail received from a destination terminal device.

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