Re: Need Help with odd Ademco Vista 20P problem

["alarman" <alarman2000@xxxxxxxxx>]

safechecker@xxxxxxxxxxxx wrote:
> Hi.
>
> I have an Ademco Vista 20P, using ADT monitoring.  I have had the
> system a couple of years with no changes made to it.
>
> For the past week, on about half of incoming phone calls, after one
> ring the alarm board is answering the incoming call, giving the caller
> about 2 seconds of a data squeal, then hangs up on them.  Again, this
> happens only in about half of calls that are made to me, and it just
> started about a week ago.  I know it is the alarm board doing this,
> because I can hear the relay click when it answers the call and hangs
> up.
>
> My Vista 20P is very simple - nothing fancy...
> -8 zones (all wired, no wireless) just doors and a few motion
> -No X-10, no phone modules, no PC downloading setups, no wireless.
> -Made no recent changes to phones or phone lines in house.
>
> I rechecked lines on the RJ31X and everything appears OK, and wired
> properly.  Line seizing capability works fine in testing alarm
> system.  No line work was been done on the phones or the alarm.
>
> On a whim, even though I do not use pc downloading with my alarm, I
> viewed the settings for *95 and *94 and it is set to 15 rings, with no
> download phone number (which I believe is correct.)
>
> Except for having the entire control board replaced, I am stuck for a
> solution as to why the alarm would answer half of my phone calls
> (after 1 ring) and give a squeal then hang up.  Frustrating. Looking
> for a solution or a way to bypass please.  Thanks!

Have you tried calling ADT?
js