지원금은 이통사와 BBB 1, BBB 2 등 단말기 제조사가 분담하지만, 약정 할인은 오롯이 이통사의 몫이라 부담이 더 크다.
The subsidy is shared by mobile carriers and handset manufacturers, such as BBB 1 and BBB 2, but the burden on mobile carriers is greater because the contract discount is solely their responsibility.