Does blackberry messenger use sms?
 

or does it use internet tcp to transmit messages to and from. i ask cause i'm on limited sms messages per month with my carrier and don't want to be shocked at the end of the month bill because i used the messenger too much

you should really do a search before you ask simple questions like this...

BB messenger uses PIN messaging

thanks for the answer.......the second sentence by itself would have sufficed

well first sentence made most sense

I will second that!