Telephone Switching Course
Gain mastery in telephone switching through practical expertise in PSTN, VoIP, SIP, SS7, QoS, and network design. Develop skills to plan capacity effectively, secure voice communications, troubleshoot using professional tools, and manage seamless PSTN-to-IP transitions in today's telecom environments. Ideal for building reliable voice infrastructure.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This course provides hands-on training in telephone switching, covering TDM basics, SS7/ISUP protocols, VoIP technologies like SIP, RTP, and media gateways. You'll gain expertise in QoS management, capacity planning, codec choices, high availability setups, migration plans, interworking solutions, and troubleshooting to build and sustain top-notch voice networks.
Elevify advantages
Develop skills
- Design VoIP capacity by sizing trunks, handling concurrent calls, and allocating QoS resources.
- Set up SIP, RTP, and codecs to ensure dependable, high-quality packet voice delivery.
- Deploy secure voice features including SRTP, SIP TLS, NAT traversal, and firewall rules.
- Connect PSTN with IP networks via SS7-SIP interworking, media gateways, and call flows.
- Diagnose voice network issues with Wireshark, CDRs, MOS tools, and RTP 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.What our students say
Your classes 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 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!

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The platform is fast, simple to use. The diversity of content and complementary videos help a lot with learning.

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