Wirelessly posted (8830 thru Sprint)
Not to sure,but look around thru blackberryappworld.com, u will need to download the appworld app, but there r a lot of things there. If not, let me know, I will send u the voice recording u want and u can use that as the caller id.
also look around on crackberry.com they have some cool stuff sometimes. Goodluck, and let me know if I can help with anything