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General Telephony Course

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

What will I learn?

This General Telephony Course offers a hands-on, dynamic introduction to contemporary voice technologies, spanning PSTN and TDM PBXs to VoIP, SIP, and RTP. Master designing dial plans, call flows, and numbering schemes, planning migrations, supporting analogue devices, and integrating IP or cloud PBXs. Explore QoS, security, redundancy, E911, and practical testing to confidently implement reliable, top-tier calling setups.

Elevify advantages

Develop skills

  • Design VoIP systems: plan codecs, call flows, and IP PBX or cloud PBX setups.
  • Build dial plans: set up DIDs, IVR, hunt groups, and internal extensions.
  • Optimise QoS and resilience: manage voice traffic, redundancy, and E911 routing.
  • Deploy SIP trunks and SBCs: secure, normalise, and test PSTN connections.
  • Plan PSTN-to-VoIP transitions: hybrid systems, number porting, and analogue support.

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

I was just promoted to Intelligence Advisor for the Prison System, and the course from Elevify was crucial for me to be chosen.
EmersonPolice Investigator
The course was essential to meet the expectations of my boss and the company I work for.
SilviaNurse
Great course. Lots of valuable information.
WiltonCivil Firefighter

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