Telephonic communications – With usage measurement – Call traffic recording by computer or control processor
Reexamination Certificate
2007-08-14
2007-08-14
Nguyen, Quynh H. (Department: 2614)
Telephonic communications
With usage measurement
Call traffic recording by computer or control processor
C379S009050, C379S014000, C379S014010, C379S015020, C379S015030, C379S015040, C379S221030, C379S221040, C379S279000, C455S445000, C455S554200, C455S555000, C455S414100, C455S433000, C455S423000, C455S424000
Reexamination Certificate
active
10144714
ABSTRACT:
A system for (and a method of) selectively establishing communication with one of plural devices associated with a single telephone number during a disaster or disaster recovery period. In a preferred embodiment, the system includes two wireless connection units, each connected between a respective private branch exchange (PBX) network and a public switched telephone network. Each wireless connection unit preferably serves as a gateway between its respective PBX network and one or more remote communication devices. The wireless connection units replicate each others databases. In the event of a disaster that destroys or renders one of the wireless connect/PBX networks inoperable, telephone calls destined for the inoperable network are seamlessly routed to the operable wireless connect/PBX network. Since the operable wireless connection unit contains information for both networks, inbound, outbound and extension to extension calls for each network can be handled despite the disaster.
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Ascendent Telecommunications, Inc.
Dickstein & Shapiro LLP
Nguyen Quynh H.
LandOfFree
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