Shared information between multiple telephones
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United States of America Patent
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May 14, 2002
Grant Date -
N/A
app pub date -
Dec 4, 1998
filing date -
Dec 4, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A technique and apparatus allowing data transfer between multiple telephone devices on a common telephone line, e.g., to synchronize call related information such as Caller ID data. Data which may be transferred includes call related information to other devices on the common telephone line. The data transfer preferably occurs immediately after the call related information is received by a master device from the central office, e.g., between subsequent ring signals. Archival call related information relating to past incoming telephone calls may also be synchronized between the master and slave devices or between the slave devices using the data transfer.
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