Networks and Telecommunications Course
This course teaches networks and telecommunications for modern VoIP systems. Learners gain expertise in QoS, VLANs, SIP call flows, VPN routing, security measures, and capacity planning. Participants will design, optimize, and troubleshoot reliable, high-quality voice and data networks for real-world applications, ensuring robust performance and scalability across environments.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This Networks and Telecommunications Course equips learners with hands-on skills to design, secure, and optimize contemporary IP voice and data networks. Key topics include QoS implementation, VoIP call flows, VLAN configuration, IP addressing, VPN routing, capacity planning, Wi-Fi and office topologies, encryption techniques, redundancy strategies, and network monitoring. Graduates will be fully prepared to plan, deploy, and troubleshoot dependable, high-performance network and voice solutions in professional settings.
Elevify advantages
Develop skills
- Design secure VoIP networks by segmenting, encrypting, and protecting SIP/RTP traffic quickly.
- Optimize QoS for voice traffic by tuning DSCP, queues, and jitter to improve call clarity.
- Plan IP, VLAN, and VPN layouts to create scalable multi-site voice and data networks.
- Calculate trunk sizes and bandwidth needs using codecs, SIP capacity, and WAN requirements accurately.
- Monitor and troubleshoot VoIP issues with packet capture, RTCP, and key performance indicators.
Suggested summary
Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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