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Telephony Course

Telephony Course
4 to 360 hours flexible workload
valid certificate in your country

What will I learn?

This Telephony Course provides a clear, practical path to designing, deploying, and maintaining modern voice systems. Learn core signalling, SIP trunks, dial plans, numbering, SBCs, gateways, QoS, codecs, and call quality tuning. Build skills in reliability, security, monitoring, incident response, and migration planning so you can deliver stable, high-quality voice services across sites and networks.

Elevify advantages

Develop skills

  • Design telephony architectures: dial plans, SBCs, gateways, and SIP trunks.
  • Optimise VoIP networks: VLANs, QoS, bandwidth, and real-time traffic tuning.
  • Improve call quality: select codecs, read MOS, and fix jitter, delay, and loss.
  • Secure and harden voice systems: TLS/SRTP, fraud prevention, and HA clustering.
  • Plan and execute migrations: TDM to IP, phased cutovers, and post-move testing.

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 got the one-year package and finally have the chance to follow a range of topics I'm interested in without having to switch platforms... thank you for everything you do, I've already recommended you to others...
Giulio Carlo
Giulio CarloDigital Marketing Student
I like how the lessons get straight to the point and how I can switch chapters and skip content I don't need.
Mariana Ferres
Mariana FerresPhotography Student
I like the content and the way the videos are presented and transcribed, which speeds up the process!
Luciana Alvarenga
Luciana AlvarengaNail Design Student
The platform is fast and easy to use. The variety of content and the extra videos really help with learning.
Giulio Carlo
Giulio CarloPrompt Engineering Student

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