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In an earlier contribution to this discussion,
Bob Eager wrote:

On Tue, 16 Nov 2004 21:36:04 UTC, John Rumm
wrote:

Colin Wilson wrote:

and you`re good to go, 2-red 3-blue 5-black. ISTR you could
actually do it with 2 cores, but the third may help if you have
some really old telephone equipment (I don`t think some old phones
ring out without the third core)


Other way round - without pin 3 wired (the "ring" line), some phones
may not ring on incoming calls.


That's what he said.


Not quite! He said the "third may help". The third wire in his list is Pin
5 - which is one of the *essential* connections!
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