Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of network terminating interface – subscriber trunk...
Patent
1998-08-12
2000-03-14
Kuntz, Curtis A.
Telephonic communications
Diagnostic testing, malfunction indication, or electrical...
Testing of network terminating interface, subscriber trunk...
379 37, 379 45, 379221, 348143, H04M 124, H04M 308, H04M 322
Patent
active
060382899
ABSTRACT:
An alarm system includes plural customer sites and first and second alarm monitoring stations. Each customer site has an alarm communicator for calling a monitoring station and transmitting an alarm message. The first and second monitoring stations are provided for receiving the alarm message through a telecommunications network. Each monitoring station includes an alarm processor system for processing the alarm message. Alternate routing in the network allows an alarm call to be rerouted from the first monitoring station to the second central monitoring station if the alarm call to the first station cannot be completed. The alarm message can include a video alarm image.
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patent: Re32856 (1989-02-01), Millsap et al.
patent: 5185779 (1993-02-01), Dop et al.
patent: 5323444 (1994-06-01), Ertz et al.
patent: 5424708 (1995-06-01), Ballesty et al.
patent: 5926209 (1999-07-01), Glatt
Kuntz Curtis A.
Simplex Time Recorder Co.
Tieu Binh K.
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