Tutorial [Q] problems with my tab 3 sm T217A

hi evry boddy

i have a new galaxy tab 3 t217a with at*t app

so when i put my sim from moroco ther is no dialer or sms

and my question is how can i call with this ? device it's possible or not ? if yes how make it active

plz don't say me drop it in the sea as som developers in an other forum thnx and have a nice day