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

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This Telephony Course provides a straightforward, hands-on guide to setting up, running, and keeping modern voice systems going. You will learn key signaling, SIP trunks, dial plans, numbering, SBCs, gateways, QoS, codecs, and how to tune call quality. Develop abilities in reliability, security, monitoring, handling incidents, and planning migrations to offer steady, good-quality voice services over different sites and networks.
Elevify advantages
Develop skills
- Design telephony setups: dial plans, SBCs, gateways, and SIP trunks.
- Optimize VoIP networks: VLANs, QoS, bandwidth, and tuning for real-time traffic.
- Improve call quality: choose codecs, understand MOS, and address jitter, delay, and loss.
- Secure and strengthen voice systems: TLS/SRTP, preventing fraud, and HA clustering.
- Plan and carry out migrations: from TDM to IP, phased switches, and testing after moving.
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 classes are perfect. I purchased the one-year package and finally have the chance to follow several topics I'm interested in without having to switch platforms... I appreciate everything you do, I've already recommended you to others...

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

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 CarloPrompt Engineering Student
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