The Smart Network Systems Joint Undertaking (SNS JU) Technology Board, the collaborative body of the leading technical experts of all ongoing R&I projects, has performed a survey across 33 R&I projects from the first two phases (Call 1 and Call 2) of the SNS JU, that are engaging in the development of AI-based solutions, to better understand the approach, methodologies and models used by AI experimenters, as well as to generate insights regarding the network layers that AI mechanisms are applied to, the data sets used for training, the goal of the developed mechanisms and more.