June 2005
Intermediate to advanced
502 pages
21h 48m
English
Content preview from Switching to VoIP
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Chapter 14: Traditional Apps on the Converged Network
• InnoPort (http://www.innoport.com)
• MyFax (http://www.myfax.com)
Fire and Burglary Systems
Many fire detection, sprinkler, and burglary alarm systems require the use of one or
more POTS lines. This line is used to notify the monitoring company in the event of
an alarm trip or a sprinkler head break. A modem inside the alarm system’s CPU
dials a computer at the monitoring station, and the alarm dispatcher’s computer tells
her information about the alarm trip.
These systems use an analog data modem that won’t work reliably in a pure VoIP
environment (see the earlier section, “Fax and Modems”). There are a few ways to
overcome this problem. You could replace the system with a newer, Internet-aware
system. Some alarm installers offer CPUs with Ethernet interfaces that can replace
the modem for notification. But, if necessary, you may have to keep a POTS line (or
two) around until you can upgrade.
Surveillance Systems and
Videoconferencing
As you move to a converged network, you may want to factor video into your plans.
Just as the converged network replaces the legacy voice network, it can also replace
the legacy surveillance and videoconferencing networks.
Camera Surveillance
Most traditional surveillance networks consist of meters ...
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