U can call any where globally thru internet cafes, u may have to purchase cards for this, either thru online if u have credit card or u can visit national or najma areas for getting these cards.

calling rates are very cheap, it cost 1 qr for 3 minutes or 4 minutes,

if ur are near to national or sofitel then try to check with people residing in these areas and they will guide u for locating these centers