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Jeff LaCoursiere wrote:
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cite="mid:alpine.BSF.2.00.0902172007071.62375@phoenix.jeff.net"
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On Tue, 17 Feb 2009, Jerry Jones wrote:
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<pre wrap="">Most alarm systems around here use bursts of dtmf - not an actual
modem to communicate with alarm central.
Yes I have seen these have many issues with voip in the path.
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You mean they communicate with an IVR? Seems like that could be made
solid with the right DTMF options enabled on the ATA.
FWIW that makes a lot more sense than a modem connection.
j
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If you are in the US, ANY life safety system has to be connected to a
dedicated copper POTS line. VOIP is NOT ok to use for this. It is in
the NFPA. <br>
<br>
<br>
Jonn
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