Communication terminal apparatus and its control method

Claim 2

A communication terminal apparatus connected to an integrated services digital network line having a plurality of data channels, characterized in that said apparatus comprises: a plurality of independently operable network control means; network interface means for allocating operations of said plurality of network control means to said plurality of data channels of said integrated services digital network line; a plurality of independently operable communication control means; and means for parallelly operating said plurality of network control means and said plurality of communication control means to execute a plurality of communications with use of the plurality of data channels of the integrated services digital network line.

Claim 3

A communication terminal apparatus as set forth in claim 1, wherein said network control means includes first and second network control means and said plurality of data channels of said integrated services digital network line include first and second data channels.

Claim 4

A communication terminal apparatus as set forth in claim 1, wherein said communication control means includes an image-communication controller for controlling communication of an image data and a voice-communication controller for controlling communication of a voice data.

Claim 5

A communication terminal apparatus connected to an integrated services digital network line having a plurality of data channels, characterized in that said apparatus comprises: a plurality of independently operable network control means; network interface means for allocating operations of said plurality of network control means to said plurality of data channels of said integrated services digital network line; a plurality of independently operable communication control means; memory means for storing data on communication; and means for causing, when said terminal apparatus receives an incoming signal from second one of the plurality of data channels of the integrated services digital network line during its communication on first one of the plurality of data channels, a data on reception of said incoming signal to be temporarily stored in said memory means.

Claim 6

A communication terminal apparatus connected to an integrated services digital network line having a plurality of data channels, characterized in that said apparatus comprises: a plurality of independently operable network control means; network interface means for allocating operations of said plurality of network control means to said plurality of data channels of said integrated services digital network line; a plurality of independently operable communication control means; memory means for storing data on communication; and means for causing, when said terminal apparatus receives an incoming signal from second one of the plurality of data channels of the integrated services digital network line during its communication on first one of the plurality of data channels, a data on reception of said incoming signal to be temporarily stored in said memory means.

Claim 7

A communication terminal apparatus as set forth in claim 4, wherein data stored in said memory means are facimile picture data.

Claim 8

A communication terminal apparatus as set forth in claim 4, wherein data stored in said memory means are voice data.

Claim 9

A communication terminal apparatus connected to an integrated services digital network line having a plurality of data channels, characterized in that said apparatus comprises: a plurality of independently operable network control means; network interface means for allocating operations of said plurality of network control means to said plurality of data channels of said integrated services digital network line; a plurality of independently operable communication control means; memory means for storing data on communication; and means, during a first ocmmunication on first one of the plurality of data channels of the integrated services digital network line, for executing a second communication on second one of the plurality of data channels with use of said memory means.

Claim 10

A communication terminal apparatus connected to an integrated services digital network line having a plurality of data channels, characterized in that said apparatus comprises: a plurality of independently operable network control means; network interface means for allocating operations of said plurality of network control means to said plurality of data channels of said integrated services digital network line; a plurality of independently operable communication control means; memory means for storing data on communication; and means, during a first ocmmunication on first one of the plurality of data channels of the integrated services digital network line, for executing a second communication on second one of the plurality of data channels with use of said memory means.

Claim 11

A communication terminal apparatus as set forth in claim 7, wherein said memory means stores therein a facsimile picture data to be transmitted or a facsimile picture data received.

Claim 12

A communication terminal apparatus as set forth in claim 7, wherein said memory means stores therein a voice data to be transmitted or a voice data received.

Claim 13

A communication terminal apparatus connected to an integrated services digital network line having a plurality of data channels, characterized in that said apparatus comprises: a plurality of independently operable network control means; network interface means for allocating operations of said plurality of network control means to said plurality of data channels of said integrated services digital network line; a plurality of indepdently operable communication control means; memory means for storing data on communication; and means, during a first ocmmunication on first one of the plurality of data channels of the integrated services digital network line with use of data stored in said memory means, for executing a second communication on second one of the plurality of data channels.

Claim 14

A communication terminal apparatus connected to an integrated services digital network line having a plurality of data channels, characterized in that said apparatus comprises: a plurality of independently operable network control means; network interface means for allocating operations of said plurality of network control means to said plurality of data channels of said integrated services digital network line; a plurality of indepdently operable communication control means; memory means for storing data on communication; and means, during a first ocmmunication on first one of the plurality of data channels of the integrated services digital network line with use of data stored in said memory means, for executing a second communication on second one of the plurality of data channels.

Claim 15

A communication terminal apparatus as set forth in claim 10, wherein said memory means stores therein a facsimile picture data to be transmitted or a facsimile picture data received.

Claim 16

A communication terminal apparatus as set forth in claim 10, wherein said memory means stores therein a voice data to be transmitted or a voice data received.

Claim 17

A communication terminal apparatus connected to an integrated services digital network line having a plurality of data channels, characterized in that said apparatus comprises: a plurality of independently operable network control means; network interface means for allocating operations of said plurality of network control means to said plurality of data channels of said integrated services digital network line; image transmission control means for independently executing a plurality of transmission procedures; image file means for storing an image data; image data input means for inputting an image data; image data output means for outputting an image data; and means, when said terminal apparatus receives a second communication request of image data from second one of the plurality of data channels of the integrated services digital network line during its first communication of image data on first one of the plurality of data channels, for operating at least one of said image file means, said image data input means and said image data output means to execute said second communication of the image data.

Claim 18

A communication terminal apparatus connected to an integrated services digital network line having a plurality of data channels, characterized in that said apparatus comprises: a plurality of independently operable network control means; network interface means for allocating operations of said plurality of network control means to said plurality of data channels of said integrated services digital network line; image transmission control means for independently executing a plurality of transmission procedures; image file means for storing an image data; image data input means for inputting an image data; image data output means for outputting an image data; and means, when said terminal apparatus receives a second communication request of image data from second one of the plurality of data channels of the integrated services digital network line during its first communication of image data on first one of the plurality of data channels, for operating at least one of said image file means, said image data input means and said image data output means to execute said second communication of the image data.

Claim 19

A communication terminal apparatus as set forth in claim 13, wherein said image data input means is an image scanner.

Claim 20

A communication terminal apparatus as set forth in claim 13, wherein said image data input means is an image printer.

Claim 21

A communication terminal apparatus connected to an integrated services digital network line having a plurality of data channels, characterized in that said apparatus comprises: a plurality of independently operable network control means; network interface means for allocating operations of said plurality of network control means to said plurality of data channels of said integrated services digital network line; memory means for allowing write and read operation of voice data; and control means, when said terminal apparatus receives an incoming voice signal demanding a second speech on second one of the plurality of data channels of the integrated services digital network line during its first speech on first one of the plurality of data channels, for reading out from said memory means a predetermined voice data stored in memory and transmitting it to the party, and also for writing in the memory means a data of said voice signal received from the party.

Claim 22

A communication terminal apparatus connected to an integrated services digital network line having a plurality of data channels, characterized in that said apparatus comprises: a plurality of independently operable network control means; network interface means for allocating operations of said plurality of network control means to said plurality of data channels of said integrated services digital network line; memory means for allowing write and read operation of voice data; and control means, when said terminal apparatus receives an incoming voice signal demanding a second speech on second one of the plurality of data channels of the integrated services digital network line during its first speech on first one of the plurality of data channels, for reading out from said memory means a predetermined voice data stored in memory and transmitting it to the party, and also for writing in the memory means a data of said voice signal received from the party.

Claim 23

A communication terminal apparatus as set forth in claim 16, wherein said memory means is capable of storing therein voice and image data separately.

Claim 24

A communication terminal apparatus as set forth in claim 16, further comprising means for reading out a stored voice data from said memory means as necessary after completion of the speech on said first data channel.

Claim 25

A communication terminal apparatus connected to an integrated services digital network line having a plurality of data channels, characterized in that said apparatus comprises: a plurality of independently operable network control means; network interface means for allocating operations of said plurality of network control means to said plurality of data channels of said integrated services digital network line; voice control means for controlling input/output voice signals; and multiplexing means for adding together a voice signal from the plurality of data channels of the integrated services digital network line and the input/output voice signals of said voice control means.

Claim 26

A communication terminal apparatus connected to an integrated services digital network line having a plurality of data channels, characterized in that said apparatus comprises: a plurality of independently operable network control means; network interface means for allocating operations of said plurality of network control means to said plurality of data channels of said integrated services digital network line; voice control means for controlling input/output voice signals; and multiplexing means for adding together a voice signal from the plurality of data channels of the integrated services digital network line and the input/output voice signals of said voice control means.

Claim 27

A communication terminal apparatus as set forth in claim 19, wherein said multiplexing means adds together three party voice signals of a voice signal from first one of said plurality of data channels of said integrated services digital network line, a voice signal rom second one of the plurality of data channels, and a voice signal said input/output voice signal of said voice control means.

Claim 28

A communication terminal apparatus connected to an integrated servoces digital network line having a plurality of data channels, characterized in that said apparatus comprises: a plurality of independently operable network control means; network interface means for allocating operations of said plurality of network control means to said plurality of data channels of said integrated services digital network line; voice control means for controlling input/output voice signals; received-voice multiplexing means, when said terminal apparatus receives an incoming voice signal from second one of the plurality of data channels of the integrated services digital network line, for adding said incoming voice signal to said first data channel; and connection control means for controlling connection of said first or second data channel or the both channels to said speech control means.

Claim 29

A communication terminal apparatus connected to an integrated servoces digital network line having a plurality of data channels, characterized in that said apparatus comprises: a plurality of independently operable network control means; network interface means for allocating operations of said plurality of network control means to said plurality of data channels of said integrated services digital network line; voice control means for controlling input/output voice signals; received-voice multiplexing means, when said terminal apparatus receives an incoming voice signal from second one of the plurality of data channels of the integrated services digital network line, for adding said incoming voice signal to said first data channel; and connection control means for controlling connection of said first or second data channel or the both channels to said speech control means.

Claim 30

A communication terminal apparatus connected to an integrated services digital network line having a plurality of data channels, characterized in that said apparatus comprises: a plurality of independently operable network control means; network interface means for allocating operations of said plurality of network control means to said plurality of data channels of said integrated services digital line; key input means; display means; operation control means for controlling operations of said key input means and said display means; voice main control means for controlling operation on voice communication; image main control means for controlling operation on image communication; detection means for detecting a dial number of a signal originator terminal informed from the integrated services digital network line at the time of signal reception; display control means for indicating on said display means the dial number of said originator terminal detected by said detection means through said operation control means; received-voice-signal multiplexing means, when said terminal apparatus receives an incoming voice signal from second one of the plurality of data channels of the integrated services digital network line during its speech on first one of the plurality of data channels, for adding said received voice signal to said first data channel of the sppech mode; switching control means for switchingly controlling connection of said first or second data channel or the both data channels to said voice control means; voice multiplexing means for adding the voice signal according to a switched state of said switching control means; and holding-tone transmitting means for transmitting a holding tone to one of the data channels switched to a hold state by said switching control means.

Claim 31

A communication terminal apparatus connected to an integrated services digital network line having a plurality of data channels, characterized in that said apparatus comprises: a plurality of independently operable network control means; network interface means for allocating operations of said plurality of network control means to said plurality of data channels of said integrated services digital line; key input means; display means; operation control means for controlling operations of said key input means and said display means; voice main control means for controlling operation on voice communication; image main control means for controlling operation on image communication; detection means for detecting a dial number of a signal originator terminal informed from the integrated services digital network line at the time of signal reception; display control means for indicating on said display means the dial number of said originator terminal detected by said detection means through said operation control means; received-voice-signal multiplexing means, when said terminal apparatus receives an incoming voice signal from second one of the plurality of data channels of the integrated services digital network line during its speech on first one of the plurality of data channels, for adding said received voice signal to said first data channel of the sppech mode; switching control means for switchingly controlling connection of said first or second data channel or the both data channels to said voice control means; voice multiplexing means for adding the voice signal according to a switched state of said switching control means; and holding-tone transmitting means for transmitting a holding tone to one of the data channels switched to a hold state by said switching control means.

Claim 36

A method as set forth in claim 24, wherein said first communication is an image communication and said second communication is also an image communication.

Claim 37

A method as set forth in claim 24, wherein said first communication is a voice communication and said second communication is also a voice communication.