General Telephony Course
Gain expertise in PSTN, VoIP, SIP, dial plans, QoS, and E911 through this comprehensive General Telephony Course. Develop skills to design robust voice networks, manage migrations from traditional to IP systems, secure SIP trunks, and ensure high-quality, dependable telephony solutions for contemporary telecom needs.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This course offers a practical overview of voice systems including PSTN, TDM PBXs, VoIP, SIP, and RTP. Participants learn to design dialplans, call flows, numbering plans, manage migrations, support analog devices, and integrate IP or cloud PBXs. It covers QoS, security, redundancy, E911, and testing for reliable calling systems.
Elevify advantages
Develop skills
- Design VoIP systems: plan codecs, call flows, and IP or cloud PBX setups.
- Create dialplans: set up DIDs, IVR menus, hunt groups, and extensions.
- Optimise QoS and reliability: manage voice traffic, failover, and E911.
- Deploy SIP trunks and SBCs: secure connections and test PSTN links.
- Execute PSTN to VoIP transitions: handle hybrid systems, porting, and analog support.
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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