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Old 02-09-2006, 10:22
Ivor Jones
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Default Re: SPA-3000 PSTN doesn't ring



"PhilT" <newsnet@gmail.com> wrote in message
news:1157184563.770087.64990@i3g2000cwc.googlegroups.com[color=blue]
> Ian Pawson wrote:
>[color=green]
> > PhilT wrote:[color=darkred]
> > > Ian Pawson wrote:
> > >
> > > > I assume that you are using a lead from the ata to
> > > > the phone that has a ringing capacitor in it?
> > >
> > > it rings when the ATA is powered off, would this
> > > suggest that angle is covered ?[/color][/color]
>[color=green]
> > No it does not as you are then using the capacitor in
> > your BT master socket to provide the ringing.[/color]
>
> however the phone and connection to the ATA is the same
> in both cases, so for your idea to work the ATA would
> have to have a connection from the 3rd wire on the PSTN
> port pass through to the same on the phone output, as
> well as an incoming BT-RJ11 cable correctly configured to
> get the ring signal to the right place.
>
> Personally I doubt this happens, as the international
> RJ11 PSTN convention is to simply use the centre two
> connectors for the line.[/color]

There is no such thing as an international convention for RJ11
connectors..! What you are referring to is purely a US convention; it
doesn't necessarily apply elsewhere, although it may do. Certainly
BT<>RJ11 cables may be wired any which way, depending purely on the
manufacturer's whim..!

Ivor


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