This center is the largest center for responding religious questions in the world and consists of two parts:
1. "written and internet based responding unit" with 30 years of experience, has answered more than 200,000 questions via email or letters.
2. "Telephone-based Responding Unit" which has started its job widely since 2006 with benefiting from 110 phone lines and national code (09640) lively by presence of 60 experts in every work  shift in a specialized manner in the fields of "Islamic law", "beliefs", "morality", "Quran", "narrations", "counseling" and "Islamic history", actively in daytime answers to more then 4000 questions.
Legal site for this center: www.pasokhgoo.ir