General Telephony Course
Gain essential knowledge in PSTN, VoIP, SIP protocols, dial plans, QoS optimisation, and E911 implementation through this comprehensive General Telephony Fundamentals course. Learn to create robust voice infrastructures, manage migrations from legacy to IP systems, secure SIP connections, and provide dependable telephony solutions tailored for contemporary communication needs in Namibia and beyond.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This course offers a hands-on introduction to telephony systems, covering traditional PSTN and TDM PBXs alongside modern VoIP, SIP, and RTP protocols. Participants will design dial plans, call routing, and numbering schemes, plan system migrations, manage analogue devices, and integrate IP or cloud-based PBXs. Key topics include ensuring QoS, enhancing security, building redundancy, implementing E911 services, and conducting practical tests to deploy reliable voice networks effectively.
Elevify advantages
Develop skills
- Design VoIP systems by planning codecs, call flows, and IP or cloud PBX setups.
- Create dial plans including DIDs, IVR menus, hunt groups, and extension configurations.
- Optimise QoS and system resilience with voice traffic tuning, redundancy, and E911 paths.
- Deploy SIP trunks and session border controllers for secure PSTN integration and testing.
- Strategise PSTN to VoIP transitions using hybrid environments, number porting, and analogue support.
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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