1) We would actually physically have to take it off your line
2) Free voicemail can only be accessed from your home line so you can't phone home and pick up your messages as you can now with the paid for voicemail, Paid for is £1.50 per month, free is free
3) You can have other features but divert and waiting will conflict with it so best to choose which one you would want
4) Upto you
