Sending Ringtones VIA Bluetooth

Hey all,
Two of my friends and I all have the Razr. We each have a different service, Cingular, T-Mobile, and Verizon. I have Verizon, and my friends with the cingular adn T-Mobile Razr can Bluetooth ringtones to eachother. When we try to connect to bluetooth my Razr, it says service not supported..

Is there something I can do to change this? THe other Razrs see my phone, but just wont "talk" to it. I guess it doesnt have some kinda file transfer something?

Can I change that? WHat do I gotta do, Thanks again

Black....

I do believe that the reason why your phone won't "talk" to theirs is because they are using a GSM system & you're using CDMA. I've heard this issue discussed before on another board & if I remember correctly, this was the conclusion they came to.