couple of points to make for potential users who may require
an on-the-move account for when they're travelling...
These accounts are associated with a single landline number
and won't work from any other without requesting a change
to the account. This can only be carried out infrequently.
Your Line & CLI
If you normally withold your number during outgoing calls,
you will need to place 1470 in front of your dial-up
access number when you set up the connection on your computer.