You can do it on the phone, on my Samsung e250 it had a blocked numbers list that you could add to. It seems that the nokia doesn't have this feature?
Phone Vodacom/MTN/Cell C/Virgin
Originally Posted by gmathews
To find out if it is the CD - make an image of it then mount that image..a 100 % success in creating the image means that the CD is fine. What OS are you using? Maybe try and run it under Windows XP compatibility if you are using Windows 7.