VoIP in Wireshark – Where is the problem?

Written by Fabio Cosme - November 30, 2023

Wireshark is an open-source tool that allows you to capture and analyze network traffic in real time. It's an important resource for optimizing networks, including VoIP networks. read more

My first experience at BlackHat

Security

Written by Pedro Silva - November 30, 2023

Understanding how important it is to stay up-to-date on the latest techniques and methods used by attack teams and threat actors, I was able to attend the BlackHat USA 2023 conference for the first time. read more

High-speed internet to accelerate knowledge

Connectivity Knowledge

Written by John Nuno Ferreira - November 24, 2023

Networks play a fundamental role in science and academia. They connect educational and research institutions, also providing digital services that help researchers and students. read more

SIP TRUNK – The telephone channel over IP

Written by Fabio Cosme - October 31, 2023

In the RCTS VoIP network, the term SIP Trunk is often used when referring to the interconnection of our VoIP equipment with operators. read more

Email malware attack. What it is and how to protect yourself.

Security

Written by João Machado - October 19, 2023

It's crucial to understand the threats that can attack your organization and how to mitigate them. One such threat is malware, which often infiltrates organizations through seemingly harmless emails. read more

Open AI at RNCA with Albertina PT-*

Computing Innovation

July 26, 2023

Opinion of António Branco, Professor at the Faculty of Science of Lisbon and General Director of PORTULAN CLARIN Research Infrastructure for Language Science and Technology, on the Albertina PT-* project read more

eSIM: The new “card”