Message # 1
SMS only works with the ucoz smscoin?
the smscoin does not work with any bank in Brazil.
Message # 2
Yes, uCoz SMS-services works only with SMScoin.
Unfortunately, you couldn't use SMS-services.
Message # 3
I created a Portuguese version of uSMS (http://usms.ucoz.com) site that can be accessed by link http://usms.ucoz.com.br
Message # 4
I was searching for the same topic/ question but this page really satisfied me with the details which are very much important as well as will help others also.