It is an interesting concept that Manifone came up with:
They will give users a directory of plain UK phone numbers, that they
can forward to any international number of their choice. Currently
they offer 4 London numbers that one can point to his most frequently
called destinations abroad. At no fixed monthly costs. But still,
what's the point of all this?
The point is, that the combined cost of calling a UK number + the low
rate of the call forwarding add up to a much lower combined rate than
calling abroad directly. This is especially useful if you have
inclusive minutes and you call one a landline destination abroad which
will result in a total cost of no more than 2p a minute. Not bad,
actually, but isn't it the same as access numbers? No, because while
access numbers keep changing, are not available from all networks,
require the user to authenticate with PIN + dial the destination
afterwards, Manifone's Direct Numbers will ring directly and
immediately at the preset destination.
Free trial accounts are offered on the website
www.manifone.com