Networks and Telecommunications Course
Master networks and telecommunications for modern VoIP. Learn QoS, VLANs, SIP call flows, VPN routing, security, and capacity planning so you can design, optimize, and troubleshoot reliable, high‑quality voice and data networks in real-world environments.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This Networks and Telecommunications Course gives you practical skills to design, secure, and optimize modern IP voice and data environments. You will master QoS, VoIP call flows, VLANs, addressing, VPN routing, capacity planning, Wi‑Fi and office topology, plus encryption, redundancy, and monitoring. Finish ready to plan, deploy, and troubleshoot reliable, high‑quality network and voice solutions.
Elevify advantages
Develop skills
- Design secure VoIP networks: segment, encrypt, and protect SIP/RTP traffic fast.
- Optimize QoS for voice: tune DSCP, queues, and jitter to boost call clarity.
- Plan IP, VLAN, and VPN layouts: build scalable multi-site voice and data networks.
- Size trunks and bandwidth: calculate codecs, SIP capacity, and WAN needs precisely.
- Monitor and troubleshoot VoIP: use packet capture, RTCP, and KPIs to fix issues.
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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