Telephonic communications – Special services – Service trigger
Reexamination Certificate
2011-04-05
2011-04-05
Jamal, Alexander (Department: 2614)
Telephonic communications
Special services
Service trigger
Reexamination Certificate
active
07920687
ABSTRACT:
A communication network that includes a flash hook detector and a communication device is operated by detecting a flash hook of the communication device at the flash hook detector. A signal is transmitted from the flash hook detector to the communication network responsive to detecting the flash hook. The flash hook is processed in the communication network.
REFERENCES:
patent: 7283517 (2007-10-01), Yan et al.
AT&T Intellectual Property I L.P.
Jamal Alexander
Myers Bigel Sibley & Sajovec P.A.
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