In VoIP networks, thousands of calls are initiated, managed, and terminated every second. Behind this seamless communication is a critical signaling component known as the SIP Proxy. One of its most important responsibilities is handling call requests efficiently and securely. This article explains how a SIP Proxy processes and manages call requests in a VoIP environment.
Understanding SIP Call RequestsSIP (Session Initiation Protocol) uses signaling messages to establish and control calls. A call request typically begins with a SIP INVITE message, which contains information such as the caller’s identity, the intended recipient, and session details. SIP Proxies are responsible for receiving, analyzing, and forwarding these requests to the correct destination.
What Is a SIP Proxy?A SIP Proxy is an intermediary server that sits between SIP endpoints like IP …