What is two way communication system? Md. Saifur Rahman When more than one person can communicate with each other at a time, the system is called two way communication system. For example- Mobile, Phone.You may likeDo I need car insurance?What is car insurance?How could I get cheaper car insurance?What is auto insurance?Why Adulterant food is the barrier to sound health?What are the producers?What are food preservatives?What is food chain?What is tertiary consumer?