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Telephony Course

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

What will I learn?

This Telephony Course gives you a clear, practical path to designing, deploying, and maintaining modern voice systems. Learn core signaling, 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.
  • Optimize 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 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 switch chapters and skip content I don't need.
Mariana Ferres
Mariana FerresPhotography Student
I like the content and the way videos are presented and transcribed, which speeds up the process!
Luciana Alvarenga
Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos really help with learning.
André Felipe
André FelipePrompt Engineering Student

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