In Reply to: Newb q'n - using phone in Bali posted by Meemoo on Saturday, 14. April 2012 at 14:13 Bali Time:
My mobile phone plan is with Crazy John's (Vodafone) and whenever I travel overseas to activate roaming I call their Contact Centre. It is a painless process and takes no time at all.
If you are considering doing this, make sure you check out their rates for Indonesia (Bali).