Windows XP

1. Select Start -> Run. Enter control ncpa.cpl then click OK. 
   
   
   Figure 1
   
   
   
2. Click once on the i.net.au Dial-up icon so that it is highlighted. Note that the icon may be called something different. Click on the Change settings of this connection task to the left of the icon. 
   
   
   Figure 2
   
   
   
3. Replace the old dial-up number from the Phone number: field with the new number 0198 333 669. If you have any dialing prefixes for disabling of call waiting etc, they can remain in place. Select the OKbutton. Your new dial-up number is now saved. 
   
   
   Figure 3