Communication deivce and communication method

A technology of communication equipment and communication device, applied in the direction of image communication, digital transmission system, electrical components, etc., can solve the problems that the frequency band data communication cannot be fully utilized, and IP telephone communication cannot be performed smoothly, so as to improve the efficiency of data communication Effect

Active Publication Date: 2005-11-02
MURATA MASCH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, IP telephone communication, etc., which require real-time data transmission, cannot be smoothly performed
[0005] In the case of performing data communication in a media session established by SIP, different from the case of performing data communication directly on a TCP connection, various restrictions on data transmission are caused
As a result, the frequency band cannot be fully utilized to perform data communication

Method used

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  • Communication deivce and communication method
  • Communication deivce and communication method
  • Communication deivce and communication method

Examples

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no. 1 example

[0035]An example of a facsimile MFP (Multifunction Peripheral) having a G3 facsimile communication function, an Internet facsimile communication function, etc. will be described below as a communication device according to an embodiment of the present invention. In addition to the facsimile MFP, if the communication device can perform various data communications with a destination in a media session established by a call control protocol, the present invention can also be applied to another type of communication device.

[0036] FIG. 1 shows an example of the configuration of the facsimile MFP1. That is, the fax MFP 1 includes: a central processing unit (CPU) 2, a read only memory (ROM) 3, a random access memory (RAM) 4, an image memory 5, a modem 6, a network control unit (NCU) 7, and a codec 8 , a scanner unit 9 , a printer unit 10 , a display unit 11 , an operation unit 12 , and a local area network (LAN) interface 13 . Each of the units 2 to 13 is connected via a bus 14 ....

no. 2 example

[0071] An example of a facsimile MFP having a G3 facsimile communication function, an Internet facsimile communication function, and the like will be described below as a communication device according to a second embodiment of the present invention. In addition to the facsimile MFP, the present invention can also be applied to another type of communication device if the communication device can perform various data communications with a destination in a media session established by a call control protocol and over a TCP connection.

[0072] FIG. 8 shows an example of the configuration of the facsimile MFP 101 . That is, facsimile MFP 101 includes CPU 102 , ROM 103 , RAM 104 , image memory 105 , modem 106 , NCU 107 , codec 108 , scanner unit 109 , printer unit 110 , display unit 111 , operation unit 112 and LAN interface 113 . Each of the units 102 to 113 is connected via a bus 114 .

[0073] CPU 102 functions as a control unit that controls each unit of facsimile MFP 101 in ...

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Abstract

A communication device having a unit which carries out a data communication by a call control protocol, the communication device which can improve a communication efficiency of the data communication. The communication device acquires various pieces of information of a destination device in an initiation call control session by the call control protocol and selects a data communication method in accordance with a type of the data of the data communication and various pieces of information of the destination device.

Description

technical field [0001] The present invention relates to a communication device and program that perform communication of various data such as voice data, moving image data, image data, and text data in a media session established by a call control protocol such as Session Initiation Protocol (SIP). Background technique [0002] A communication device commonly used these days transmits and receives various data such as IP telephone communication and IP facsimile communication through an IP (Internet Protocol) network. An MFP (Multifunction Peripheral) that performs data communication supporting both voice data and image data has been proposed. For example, based on ITU-T (International Telecommunication Union-Telecommunications Sector) recommendation T.38, known communication equipment includes an IP telephone communication function and an IP facsimile communication function. This known communication device is capable of transmitting and receiving image data through IP telep...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N1/32H04N1/00
Inventor 谷本好史
Owner MURATA MASCH LTD
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