We carry out attacks using Internet services that aim to keep telephone devices busy, hindering legitimate callers from gaining access. We use the term DIAL (Digitally Initiated A...
Alexandros Kapravelos, Iasonas Polakis, Elias Atha...
Given a cellular (mobile telephone) network, whose geographical coverage area is divided into hexagonal cells, phone calls are serviced by assigning frequencies to them so that no...
Joseph Wun-Tat Chan, Francis Y. L. Chin, Deshi Ye,...
As current Voice-over-IP (VoIP) systems encourage a direct communication between the callees they are similar in design to peerto-peer (P2P) approaches. Therefore, we introduce a f...
Femtocell is an effective solution to improve indoor coverage for cellular networks, where short-range and low-power Base Stations (BSs) called Femto BSs are deployed in small area...
With the near ubiquity of mobile phones, people are reachable almost anywhere and at any time. At the same time we see an increasing need for people to limit their interactions on...
Ibrahim Bokharouss, Wayne Wobcke, Yiu-Wa Chan, And...