About Symposium The 11th International Symposium on Telecommunication (IST 2024) encompasses all topics related to the information and communication technology of various streams with the emphasis on the technical, security, legal, regulatory, and economical aspects of following topics: Phone Number : (+9821) 84977476 - (+9821) 84977977Fax : (+9821) 84978833Secretariat Email : IST2024@itrc.ac.ir