General Telephony Course
Gain mastery in PSTN, VoIP, SIP, dial plans, QoS, and E911 through this comprehensive General Telephony Course. Build tough voice networks, map out migrations, lock down SIP trunks, and provide dependable, easy-to-use phone services for today's telecom setups. Perfect for anyone aiming to handle modern voice tech with skill and assurance.

flexible workload of 4 to 360h
valid certificate in your country
What will I learn?
This course offers a hands-on, quick-paced look at today's voice systems, covering PSTN, TDM PBXs, VoIP, SIP, and RTP. You'll learn to create dialplans, call flows, and numbering schemes, plan shifts to new systems, manage analogue gear, and link up IP or cloud PBXs. It also tackles QoS, security, backups, E911, and practical tests to help you roll out solid, top-notch calling setups confidently.
Elevify advantages
Develop skills
- Design VoIP setups: sort out codecs, call paths, and IP PBX or cloud PBX plans.
- Create dialplans: set up DIDs, IVR menus, hunt groups, and inside extensions.
- Manage QoS and backups: adjust voice data flow, redundancy, and E911 paths.
- Set up SIP trunks and SBCs: protect, standardise, and check PSTN links.
- Plan move from PSTN to VoIP: hybrid systems, number transfers, 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 workloadWhat our students say
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