Telephony Course
This course equips learners with essential skills to design, deploy, optimize, secure, and migrate modern telephony systems, ensuring reliable and high-quality voice services.

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.What our students say
Your lessons are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of interest without needing to change platforms... I'm grateful for everything you do, I've already recommended you to other people...

Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can change chapters and skip content I don't need.

Mariana FerresPhotography Student
I like the content and the way videos are presented and transcribed, which speeds up the process!

Luciana AlvarengaNail Design Student
The platform is fast and simple to use. The diversity of content and complementary videos really help with learning.

André FelipePrompt Engineering Student
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