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General Telephony Course

General Telephony Course
from 4 to 360h flexible workload
valid certificate in your country

What will I learn?

This course offers a hands-on, brisk introduction to contemporary voice communication systems, spanning traditional PSTN and TDM PBXs through to VoIP, SIP, and RTP protocols. Participants will master designing dial plans, call routing, and numbering schemes, alongside planning system migrations, managing analogue equipment, and integrating IP or cloud-based PBXs. Key topics also include ensuring quality of service, bolstering security, building redundancy, configuring E911 services, and conducting practical tests to confidently roll out dependable, top-notch telephony setups.

Elevify advantages

Develop skills

  • Design VoIP systems: select codecs, map call flows, and deploy IP PBX or cloud PBX solutions.
  • Create dial plans: set up DIDs, IVR menus, hunt groups, and extension numbering.
  • Optimise QoS and reliability: prioritise voice packets, ensure failover, and route E911 calls.
  • Deploy SIP trunks and SBCs: secure links, standardise signalling, and verify PSTN integration.
  • Strategise PSTN-to-VoIP transitions: configure hybrid networks, port numbers, and support legacy analogue gear.

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 lessons are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of interest without needing to change platforms... I thank you for everything you do, I've already recommended you to other people...
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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.
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Mariana FerresPhotography Student
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