It’s done using the 120 character free space in 'Please Call Me' SMS system that’s used in South Africa. They tack on messages to get people to come to get HIV treatment in private, so that they don’t have to worry about what stigma is attached to that treatment." 
Mradi huo unafanywa kwa kutumia nafasi ya bure ya herufi au alama 120 katika mfumo wa jumbe za "Tafadhali Nipigie Simu" unaotumika huko Afrika ya Kusini, wanaweka jumbe zitakazowafanya watu waende kutibiwa VVU kwa faragha, hivyo kutohofu doa au aibu inayoambatana na matibabu hayo.