SS7 (Signaling System 7)

SS7 (Signaling System 7) is a global set of telecommunication protocols used by phone networks to manage call setup, routing, and control services. It allows different network elements to communicate efficiently, enabling features like initiating calls, transferring messages, and managing subscriber information securely and quickly. Think of it as the network’s control system, coordinating the flow of information behind the scenes to ensure calls connect smoothly and services operate seamlessly. Its design helps maintain reliable, scalable, and secure communication across various devices and networks worldwide.