Sorry, I should have been clearer!
I'm helping a relative who's buying a house.
The current home owners have everything with SKY.
This means the current phone number isn't recognised by any 'BT based' checkers etc.
Once the house sale completes I would like to move the existing phone number to Zen (line rental + calls) and Freeola for BB. This is the same setup I use which I'm happy with.
If I put the existing number into Zen's phone signup page I get:
"sadly we are unable to process your order online."
Obviously when the time comes I'll contact them directly, but I thought I would ask to see what the process is and if there were any pitfalls to avoid when making a move like this.