.caf doesn't supported in v2.x?

Hello.

I use cococos2d-x 2.0.3
I downloaded it http://gameit.ro/2011/08/how-to-create-a-tile-based-game-with-cocos2d-x-part-3-enemies-and-combat/
It can play music.
But, I ported it for version2.0.3. And It doesn’t play music.
I converted .caf to .wav. So, It works.
Android doesn’t support .caf so cocos2d-x 2.x doesn’t support now??