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General Telephony Course

General Telephony Course
flexible workload of 4 to 360h
valid certificate in your country

What will I learn?

The General Telephony Course provides a practical, fast-paced overview of modern voice systems, from PSTN and TDM PBXs to VoIP, SIP, and RTP. You will learn to design dialplans, call flows, and numbering plans, plan migrations, manage analog devices, and integrate IP or cloud PBXs. It also covers QoS, security, redundancy, E911, and real-world testing to deploy stable, high-quality calling environments confidently.

Elevify advantages

Develop skills

  • Design VoIP architectures by planning codecs, call flows, and IP PBX or cloud PBX setups.
  • Create dialplans by configuring DIDs, IVR, hunt groups, and internal extensions.
  • Implement QoS and resilience by optimising voice traffic, redundancy, and E911 routing.
  • Set up SIP trunks and SBCs to secure, normalise, and test PSTN connectivity.
  • Plan PSTN-to-VoIP migrations with hybrid setups, number porting, and analog device 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.
Workload: between 4 and 360 hours

What our students say

Your classes are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of my interest without needing to change platforms... I thank you for everything you do, I've already recommended you to other people...
Giulio Carlo
Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can change chapters and skip content that I don't need.
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Mariana FerresPhotography Student
I like the content and the way of presentation and video transcription, which speeds up the process!
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Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos help a lot in learning.
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André FelipePrompt Engineering Student

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