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Telephone Switching Course

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

What will I learn?

Gain practical expertise in telephone switching, covering TDM basics, SS7/ISUP, VoIP protocols like SIP and RTP, media gateways, QoS management, capacity planning, codec choices, high availability setups, migration paths, interworking solutions, and troubleshooting for robust voice networks.

Elevify advantages

Develop skills

  • Design VoIP capacity by sizing trunks, handling concurrent calls, and budgeting QoS.
  • Set up SIP, RTP, and codecs to ensure reliable high-quality packet voice delivery.
  • Deploy secure voice features including SRTP, SIP TLS, NAT traversal, and firewall rules.
  • Connect PSTN with IP networks through SS7-SIP interworking, media gateways, and call flows.
  • Diagnose voice network issues with Wireshark, CDRs, MOS tools, and RTP packet analysis.

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 really help with learning.
André Felipe
André FelipePrompt Engineering Student

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