Mobile cellular operators strategically view the integration of alternative access
technologies, such as Wi-Fi, as essential measures to augment network capacity, enhance …

IMS (IP Multimedia Subsystem) is vital for delivering IP-based multimedia services in mobile
networks. Despite constant upgrades by 3GPP over the past two decades to support …

Abstract Big Data Analytics is a critical function in Telecommunication Systems in order to
monitor, measure and report the system's performance for various services. Collecting data …

In current cellular network generations (4G, 5G) the IMS (IP Multimedia Subsystem) plays an
integral role in terminating voice calls and short messages. Many operators use VoWiFi …

Cellular networks provide the most accessible emergency services with ubiquitous
coverage, yet their emergency-specific designs remain largely unexplored. To systematically …

5G/4G voice calls are always encrypted for security and privacy. However, in this work, we
unveil several vulnerabilities which can unintentionally leak 5G/4G call state information …

The shift to cloud-native architectures in the 5G control plane introduces significant
challenges in securing complex network functions deployed as microservices. Traditional …

While a significant efforts have been made in the specification and deployment of the 5th
generation mobile systems (5G), there is a noticeable lack of practical experiments …

5G/4Gvoicecallsarealwaysencryptedforsecurity… privacy. However, inthis work, we
unveilseveral vulnerabilities whichcanunintentionallyleak5G/4Gcallstate information …