Originally Posted by
wijomas
I used to use United Mobile who were very good, but it appears they are no more

Correct. They wound up a few weeks ago (or more accurately were forced to wind up).
They also used Liechtenstein numbers. Not so cheap for people to call you from. We use UK numbers (+44) and US (+1) with toll free forwarding for people to call you "free" from their end, and you pick up the tab for the call. Also cheap outbound of course