OPEN BTTB WEBSITE
click "View/Print Telephone Bill"
click "login"
Customer ID=area code+phone
example: 02xxxxxxx
Password=area code+phone
example: 02xxxxxxx
click "Print/view
customer bill"
click "Print/view duplicate bill"
Put "month": mm
example: 04 (For "April")
Put "year": yyyy
example: 2007(For "2007")
click "submit" button
And That's it !!!