General Telephony Course
Gain essential knowledge in PSTN, VoIP, SIP protocols, dial plans, QoS optimisation, and E911 services through this comprehensive General Telephony Fundamentals Course. Develop skills to build robust voice networks, manage migrations from legacy to IP systems, secure SIP connections, and provide dependable telephony solutions suited to contemporary communication needs in Zambia and beyond.

from 4 to 360h flexible workload
certificate valid 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 learn to create dial plans, manage call routing, plan system upgrades, support legacy devices, and integrate IP or cloud-based PBXs. Key topics include ensuring call quality through QoS, implementing security measures, building redundancy, handling emergency services like E911, and conducting practical tests for reliable voice deployments.
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 setup.
- Deploy SIP trunks and session border controllers for secure PSTN integration and testing.
- Strategise PSTN to VoIP transitions involving hybrid systems, 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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