On 23/12/2020 22:57, Deloptes wrote:
> Ahem A Rivet's Shot wrote:
>
>> When I had FTTH installed here the first thing they did (after
>> erecting a couple of poles) was run copper to the house with a POTS
>> service on it, then a week or so later another crew turned up and
>> installed the fibre. The POTS service is active but never used. It would
>> make a lot more sense if the fibre termination was powered by the 50V on
>> the POTS line but it's powered by being plugged into the mains.
>
> May be I am understanding something different under POTS than you guys.
>
> Plain old telephone service, or plain ordinary telephone system, is a
> retronym for voice-grade telephone service employing analog signal
> transmission over copper loops (Wikipedia)
>
> Notice "analog signal".
> Even if you have copper the last 50m or 3km - it does not mean it is POTS on
> it.
> It could be somewhere still a POTS - I never bothered to find out which
> operators are using what switching technology. I worked with operators in
> 12 EU countries with 18mil+ subscribers and last 2 (analog) DMS100 were
> decommissioned 5y ago. Most probably it is ISDN that you get.
>
>
I have fibre to the premises AND it sill has a POTS analogue phone
service in the copper pair that runs with the fibre....

No premises in the UK that runs on *ADSL* does NOT have a POTS service
on the same wires.

They are due to all be phased out, it is true, but not just yet.
How can you tell? Line crackle. VOIP does not *crackle*


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