DEAR SIR have CDMA phone IT HAS A PLACE PUT A SIM CARD(support for R-UIM & ROM-SIM) so how can change to gsm?

so how can insert the sim and use it

name %26amp; model

HUAWEI , ETS2288DEAR SIR have CDMA phone IT HAS A PLACE PUT A SIM CARD(support for R-UIM %26amp; ROM-SIM) so how can change to gsm?
you cant change a cdma phone to gsm

http://en.wikipedia.org/wiki/CDMA