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

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
Gain practical skills to design, secure, and optimize IP voice and data networks. Master QoS, VoIP call flows, VLANs, IP addressing, VPN routing, capacity planning, Wi-Fi, office topology, encryption, redundancy, and monitoring to deploy and troubleshoot reliable, high-quality solutions.
Elevify advantages
Develop skills
- Design secure VoIP networks by segmenting, encrypting, and protecting SIP/RTP traffic.
- Optimize QoS for voice 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 trunks and bandwidth needs using codecs, SIP capacity, and WAN requirements.
- Monitor and troubleshoot VoIP issues with packet capture, RTCP, and key performance indicators.
Suggested summary
Before starting, you can change the chapters and the 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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