[Gllug] Autodiallers with “Line Sensing”

Richard Huxton dev at archonet.com
Mon Jun 23 09:46:45 UTC 2008

Richard Westlake wrote:
> Hi
> Has anyone used or know of any Alarm Diallers or Autodiallers which have 
> a “Line Sensing” function.

> I am concerned that as critical alerts should be very rare a problem 
> with the autodialer or its phone line could go undiscovered for a long 
> time.

I have a client who has a cold storage facility which has an automated 
dialler on the temperature monitoring system. The line developed a fault 
and it was noticed because it was also being used for ADSL.

The dialler has a green LED that lights when plugged into a phone socket 
and that remained on. In addition, his ISP didn't see any problem on the 
line. There was a fault at BT, but it must have been something quite subtle.

My client decided to look into having a daily test sms/call issued. I'm 
not sure anything really counts as "working".

   Richard Huxton
   Archonet Ltd
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