Re: Need Help with odd Ademco Vista 20P problem

[Apu Nahasapeemapetilon <none@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!


Set *95 to '14'.  This will disable the answering machine defeat -
which is why the panel is picking up (someone must be calling and
hanging-up, then calling back).