The 7th International Conference on Telecommunications and Communication Engineering (ICTCE 2025) will be held in Budapest,Hungary during November 26-28, 2025. ICTCE 2025 is co-sponsored by Chengdu University of Information Technology, Frederick University and Mohamed Bin Zayed University of Artificial Intelligence, and supported by Sichuan Institute of Communications, Zhejiang University and Yunnan University. ICTCE focus on advanced research topics in the field of telecommunications and communication engineering with both wireless and optical technologies. Those advanced topics including the topics of emerging technologies of wireless communication and networks, optical communications, information and network security, internet of things, etc. Those advanced research topics are taking the lead and representing the trend of the recent academic research in the field of communications and networking. It is expected that the collection and discussion of the research papers with those advanced topics at ICTCE conference, will further promote high standard academic research in the field and make a significant contribution to the development of economics and human society.