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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 practical overview of voice systems including PSTN, TDM PBXs, VoIP, SIP, and RTP. Participants learn to design dialplans, call flows, numbering plans, manage migrations, support analog devices, and integrate IP or cloud PBXs. It covers QoS, security, redundancy, E911, and testing for reliable calling systems.

Elevify advantages

Develop skills

  • Design VoIP systems: plan codecs, call flows, and IP or cloud PBX setups.
  • Create dialplans: set up DIDs, IVR menus, hunt groups, and extensions.
  • Optimise QoS and reliability: manage voice traffic, failover, and E911.
  • Deploy SIP trunks and SBCs: secure connections and test PSTN links.
  • Execute PSTN to VoIP transitions: handle hybrid systems, porting, and analog 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 of the Prison System, and the course from Elevify was crucial for me to be the chosen one.
EmersonPolice Investigator
The course was essential to meet the expectations of my boss and the company where I work.
SilviaNurse
Very great course. Lots of rich information.
WiltonCivil Firefighter

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