Text mail system using ISDN and ISDN communication terminal device for use therein
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United States of America Patent
Stats
-
Nov 16, 1993
Grant Date -
N/A
app pub date -
Sep 10, 1991
filing date -
Sep 13, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A text mail system in which a pseudo destination subaddress randomly generated at a call receiver side at the time of receiving an incoming call from an integrated services digital network is used to manage the storing or reading out operation of various sorts of messages in a mail box. The text mail system, which uses the pseudo destination subaddress as a box number based on the property that the pseudo destination subaddress is randomly given for each incoming call, can secure a high mail confidence.
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Family
International Classification(s)
Cited Art Landscape
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