MUM 2025, the 24th International Conference on Mobile and Ubiquitous Multimedia Enna, Italy, December 1-4, 2025 We are pleased to announce that the submission deadlines for the Doctoral Colloquium have been extended to give you more time to prepare your submissions. New Deadline: October 20, 2025 (AoE), 2-4 pages, with notifications on October 23m 2025 We look forward to receiving your contributions to this leading forum for advances in mobile and ubiquitous multimedia. Registration is now open! Visit https://www.mum-conf.org<https://www.mum-conf.org/> for complete details and submission guidelines.