Possible link that may help

Posted by zapper on Wednesday, 9. December 2009 at 21:27 Bali Time:

In Reply to: Telkomsel data settings - iPhone? posted by Jamesjeffery on Wednesday, 9. December 2009 at 20:02 Bali Time:

I found this link, hope it helps,
http://santosohome.com/2009/03/24/carrier-settings-available-for-telkomsel/