Cellusys offers a wide array of network security solutions for CSPs. Its security solutions comprise
SIGNALLING FIREWALL, SMS DEFENCE, SMS PARENTAL CONTROL, and SMS HOME ROUTER. Cellusys
Signalling Firewall combines SS7, Sigtran, and Diameter protocols onto a single platform to implement
complex 2G, 3G, and 4G/LTE signaling security procedures. Cellusys Signalling Firewall utilizes a fourtiered
approach to provide flexible and extensible telecommunications signaling security system, which
includes message screening, contextual awareness, near real-time streaming analysis, and reporting.