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Telephone Switching Course

Telephone Switching Course
from 4 to 360h flexible workload
certificate valid in your country

What will I learn?

This course offers a practical guide to mastering telephone switching, covering TDM basics, SS7/ISUP, VoIP, SIP, RTP, and media gateways. You'll gain skills in QoS management, capacity planning, codec choices, high availability setups, migration plans, interworking solutions, and troubleshooting to build and maintain top-notch voice networks.

Elevify advantages

Develop skills

  • Design VoIP capacity by sizing trunks, calls, and QoS needs.
  • Set up SIP, RTP, and codecs for clear, dependable packet voice.
  • Apply security like SRTP, SIP TLS, NAT handling, and firewall rules.
  • Link PSTN with IP using SS7-SIP gateways and call flows.
  • Diagnose issues with Wireshark, CDRs, MOS scores, and RTP checks.

Suggested summary

Before starting, you can change the chapters and 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 lessons 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 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 help a lot with learning.
André Felipe
André FelipePrompt Engineering Student

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