Going from USA to Europe for vacation..iphone options?

[Shockwave78]

Not for me persay, but my mom is going home to visit her family in Croatia in a couple months. What is her best bet for using her iphone out there?

Are there prepaid sim cards?
Will she be able to data at all?
Google voice or her vonage account an option?

 

[Crystal-RX]

Not for me persay, but my mom is going home to visit her family in Croatia in a couple months. What is her best bet for using her iphone out there?

Are there prepaid sim cards?
Will she be able to data at all?
Google voice or her vonage account an option?

Come on.....How do you expect people to help you out if you don't give any information about;

1. What kind of Iphone does she has? 2G, 3g, 3GS, Iphone 4?
2. What firmware it has on the phone?
3. What baseband is on the phone?
4. Who is here carrier now?
5. Is the iphone jailbroken/unlocked now?