General Telephony Course
Gain expertise in PSTN, VoIP, SIP, dial plans, QoS, and E911 through this comprehensive General Telephony Course. Learn to design robust voice networks, manage migrations, secure SIP trunks, and provide dependable, user-centric telephony solutions for today's telecom needs. This course equips you with practical skills for deploying high-quality voice systems confidently.

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.What our students say
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