Default Tablet MSI Primo 93 9.7 inch 3G problem in communication

i've bought this tablet knowing that it support SIM card
after i've bought it installed the sim card and there was no phone app
just my service provider and the 3G Connection
i went to the Manual and saw that this tablet support communication
and i saw the Phone app so what's the problem?

Tested Roms:
Creed's Rom 3.0
AKOP v9 nightly
Janas Rom 6.5
Janas Rom 6.7
Janas Rom 7.0
Janas Rom 8.0
Cyanogenmod 10.1.4(current)
Phone:Galaxy Fit GT-S5670
Recovery:CWM 5
Thanks For Your Hard work
XDA Developers