Business News DEWA adds instant voice chat to Rammas on its smart app Dubai Electricity and Water Authority (DEWA) has added an instant voice chat feature to its virtual employee Rammas, in More… Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related EGA starts production at UAE’s first alumina refinery Top Abraaj executives Arif Naqvi and Mustafa Abdel-Wadood arrested on US fraud charges