Arrangement for multiple custom calling
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 24, 1984
Grant Date -
N/A
app pub date -
Oct 29, 1981
filing date -
Oct 29, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The arrangement described herein provides for simple control and minimal program impact of a central office switching system for interfacing multiple custom calls. This arrangement employs a few simple trunks connected in a loop around configuration. The arrangement shown considers the connection of a three way calling subscriber to a call waiting subscriber who is actively engaged in a prior telephone call.
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Family
International Classification(s)
Cited Art Landscape
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