Data communication method and a data terminal equipment used...

Details Data communication method and a data terminal equipment used... Data communication method and a data terminal equipment used...

G - Physics

06

F

G06F 13/14 (2006.01) G06F 21/00 (2006.01)

Patent

CA 2063054

ABSTRACT OF THE DISCLOSURE A method of data communication comprises the step of inputting an identifying message through a data communica- tion line from a calling computer to a called computer so as to identify the calling computer. The method further comprises the step of making an access through another data communication line from the called computer to the calling computer so as to identify again the calling computer. The calling and called computers are connected one to another only in a case wherein both the preceding steps identify the calling computer as one of allowed computers. In a case wherein a local user's computer is used, it has to call up the calling computer before the called computer is called.

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