4030 Call System
The 4030 Call System (Persian: سامانه تلفنی ۴۰۳۰) briefly "4030-system" is the Iranian telephone system that was created during the early days of the COVID-19 pandemic in Iran for expert consulting and corona-screening (of coronavirus suspects). There are 2000 phone lines and 2,200 doctors and paramedics throughout Iran who are working at this call system, and answer questions related to COVID-19.