BIG THANKS TO ZORBAN, i tried these settings and it worked, thanks for the information
Access Point Name : telkomsel
Username : wap
Password : wap123
User ID: wap (or you can leave it blank)
Password: wap123 (or you can leave it blank)
One of them should work.
Also If you cut the card down yourself then make sure the ipad does not report sim not present.
You could insert the sim into a phone to make sure it works with data before cutting/ using it on the ipad.