On Tue, 10 Nov 2009 20:49:05 +0000, Mungo \"Two Sheds\" Toadfoot wrote:

Because it's already there! All the real work's already been done,
surely, or am I missing something?

Yes. All that's there is a wire back to a local connection point. It
still needs to be connected back to the exchange. BT will have multi-core
cables running between various connection points, but someone has to get
in there and connect up spare pairs back to the exchange. That can take
some time (I watched them do it, in part, when they connected the extra
line so I could have ADSL).

Not to mention connecting it to the exchange equipment, testing it and so
on.

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