[Jeffry]

Quote:

Originally Posted by The Woody I think i got it ^^. Then if they get a new number then delete it from the file again. Well im gonna try to make this thanks for your suggestion/help .

No, if they get a new number, you have to add it to the file (Filename e.g.: UsedNumbers.txt). There are all the numbers inside which are in use.
If you have any questions feel free to ask.

Jeffry