Changing DNS information and phone numbers for XP

-Click on the "Start" button in the  taskbar
-Select "Settings"
-Select "Network Connections" then your Izzy connection
 

 
OR

-Click on the "Start" button in the  taskbar
-Select "Connect-To" then your Izzy connection
 

-Click on the "Properties" button
 

-Change the area code and phone number here

-Then click on the "Networking" tab
 

-Select connection item "TCP/IP"

-Click on the "Properties" button
 

-Select "Obtain an IP address automatically"
-Select "Obtain DNS server addresses automatically"
 

-Click "OK"
-On the "Properties" dialog box click "OK"