Communication terminal apparatus, and communication method
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United States of America Patent
Stats
-
Jul 14, 1992
Grant Date -
N/A
app pub date -
Apr 12, 1990
filing date -
Apr 18, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A communication terminal apparatus connected to an ISDN treats communication information as being confidential in accordance with the result of a comparison between a subaddress received along with the communication information and confidentiality information stored in advance and corresponding to the subaddress, or analyzes confidentiality information contained at a subaddress and treats communication information as being confidential based on the results of the analysis. Also disclosed is a communication terminal apparatus connected to an ISDN for adding specific destination information to communication information in accordance with the result of a comparison between a subaddress received along with the communication information and destination information stored in advance and corresponding to the subaddress.
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