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Telephone Switching Course

Telephone Switching Course
4 to 360 hours of flexible workload
certificate valid in your country

What Will I Learn?

This course provides a practical guide to mastering circuit and packet voice switching, covering TDM basics, SS7/ISUP, VoIP, SIP, RTP, and media gateways. Delve into QoS, capacity planning, codec choices, high availability, migration tactics, interworking, and troubleshooting for designing and maintaining top-quality voice networks.

Elevify Advantages

Develop Skills

  • Design VoIP capacity by sizing trunks, concurrent calls, and QoS requirements.
  • Configure SIP, RTP, and codecs for reliable high-quality packet voice.
  • Implement secure voice using SRTP, SIP TLS, NAT traversal, and firewall rules.
  • Integrate PSTN and IP via SS7-SIP interworking, media gateways, and call flows.
  • Troubleshoot voice networks with Wireshark, CDRs, MOS tools, and RTP analysis.

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 several 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 supplementary videos really help with learning.
Giulio Carlo
Giulio CarloPrompt Engineering Student

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