General Telephony Course
Gain expertise in PSTN networks, VoIP technologies, SIP protocols, dial plan creation, QoS optimisation, and E911 systems through this comprehensive General Telephony Course. Learn to architect robust voice infrastructures, strategise smooth migrations from legacy to modern systems, safeguard SIP connections, and provide seamless, reliable telephony solutions tailored for today's dynamic telecom landscapes, empowering you to handle real-world deployments with assurance.

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, implementing redundancy, handling emergency E911 services, and conducting practical tests to confidently roll out dependable, top-notch telephony setups.
Elevify advantages
Develop skills
- Design VoIP systems: select appropriate codecs, map out call flows, and set up IP PBX or cloud PBX configurations.
- Create dial plans: set up direct inward dial numbers, interactive voice responses, hunt groups, and extension routing.
- Optimise QoS and build resilience: prioritise voice packets, ensure failover mechanisms, and configure E911 pathways.
- Deploy SIP trunks and session border controllers: protect connections, standardise signalling, and verify PSTN links.
- Strategise PSTN to VoIP transitions: manage hybrid environments, port phone 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.What our students say
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