On Tue, 26 Feb 2008 21:55:23 +0000, Jono wrote:
[color=blue]
> I wonder how Voipfone are implementing call transfer on PSTN lines..?
>
> <http://www.voipfone.co.uk/Voipfone_For_Your_BT_Line.php>[/color]

I believe they're using a wholesale service provided by Gamma to do this.
I know of a switchless carrier who use Gamma and do this sort of thing
also - one of their claims for it is to port numbers from any area code
to your PSTN.

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Convergence, n: The act of using separate DSL circuits for voice and data