[VoiceOps] [External] Re: Alarm panels and how they dial DTMF digits - pots migration from DMS to Metaswitch issue

[Hunter Fuller]

But if the issue is always at dial time, and never at reporting time, it
seems like a PLAR would indeed solve it...?

--
Hunter Fuller (they)
Router Jockey
VBH M-1C
+1 256 824 5331

Office of Information Technology
The University of Alabama in Huntsville
Network Engineering


On Mon, Feb 13, 2023 at 3:48 PM Matthew Yaklin via VoiceOps <
voiceops at voiceops.org> wrote:

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> >Ok this is a bodge... but if it always dials the same number, and its
> dialing it has an issue with, set it up as a PLAR line? As soon as goes to
> dial just dial the number for it, and leave it to send or not send which
> ever digits of the number it wants....? Its not perfect, the customer needs
> to know you need to know if the alarm panel people ever change the number,
> but would get it working?
>
>
>
> ---- To keep our discussion simple, I gave the most common error case
> which is missing digits. There are variations to the issue and I doubt that
> would be feasible on a dozen lines when the error can vary slightly
> depending on the factors causing the problem. Sometimes it can be two
> missing digits. Sometimes it can dial properly in some pots examples. Next
> time it dials something else is missing.
>
>
>
> ---- As times goes on the company has lost a lot of the copper knowledge
> we used to have. A lot of old school CO techs are retired. I relied on
> turnstones and other central office gear to test copper pairs. T1s are
> easy. This is getting into the nitty gritty realm of pots lines that
> normally I can figure out with research but this is an odd one.
>
>
>
> ---- Like I mentioned. I will send an email shortly to all the relevant
> parties that getting an ADTRAN eng on the line to use those superuser temp
> passwords is my last real chance to solve this short of using suggestions
> people made here about getting specialized gear and checking the specs of
> what things are doing. Even if we did prove the old fire alarm panels are
> doing something wrong “it worked on the DMS” will be said back to us. End
> result is the same. Go find a different provider.
>
>
>
> ---- I am just annoyed I have a problem and I cannot seem to figure it
> out. I don’t like the taste of it at all.
>
>
>
> Matt
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> Matt
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> On Mon, 13 Feb 2023 at 21:29, Jay Hennigan via VoiceOps <
> voiceops at voiceops.org> wrote:
>
> On 2/13/23 13:20, Matthew Yaklin wrote:
>
> > ----- ADTRAN went straight to examining the dialing-plan in the TA5000
> when I shared my config with them for those exact reasons. We both agreed
> since digits were missing in the middle in many cases this was probably not
> a dialing-plan issue or DTMF/pulse dial issue. They signed off on our
> config as proper.
>
> Does the Adtran detect pulse dialing? That might be an option if the
> alarm panel can be configured for it.
>
> Is it just one make and model of alarm panel that fails? Do the tones
> sound off or different with a butt-set bridged in monitor mode? See if
> someone local has a SAGE 930A that you can borrow, that will definitely
> tell you if the DTMF is in spec.
>
> --
> Jay Hennigan - jay at west.net
> Network Engineering - CCIE #7880
> 503 897-8550 - WB6RDV
>
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