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Kamailio
an enterprise-grade, open-source SIP (Session Initiation Protocol) Server designed to handle thousands of call setups per second. Written primarily in C, it is highly optimized for scalability, routing, and signaling in large-scale Voice over IP (VoIP), WebRTC, and real-time communication platforms.
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Opensips
OpenSIPS (Open Session Initiation Protocol System) is an open-source SIP server implementation. It focuses on high performance, flexibility, and scalability, making it capable of handling thousands of call setups per second. It operates primarily as a SIP proxy, registrar, redirect server, and load balancer.
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CCNA/CCNP
CCNA and CCNP are professional networking certifications from Cisco. CCNA builds foundational networking skills, while CCNP offers advanced, specialized expertise for enterprise environments
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SS7
It is an international telecommunications protocol standard defined in 1975. It allows phone networks to exchange the information needed to pass calls and text messages between each other and ensure correct billing.
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