Method of providing centrex type operation using a PBX and a central switching office
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 7, 1999
Grant Date -
N/A
app pub date -
Apr 7, 1997
filing date -
Apr 7, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of operating a communication switching system in conjunction with a PBX comprising: storing at the PBX equipment station identifiers in association with directory numbers, storing at the switching system the station identifiers in conjunction with the directory numbers and a PBX identifier, in the event of a station connected to the PBX going offhook, looking up at the PBX a station identifier associated with a directory number assigned to the offhook station, transmitting the looked up station identifier to the switching system, and upon receiving the transmitted station identifier at the switching system, looking up the corresponding directory number, and changing characteristics of a line between the switching system and the PBX over which communication is to take place, to suit predetermined characteristics based on the corresponding directory number.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully