General Telephony Course
Gain comprehensive expertise in PSTN networks, VoIP technologies, SIP protocols, dial plan creation, QoS optimisation, and E911 emergency services through this focused General Telephony Course. Develop skills to architect dependable voice infrastructures, orchestrate seamless migrations, safeguard SIP trunk connections, and provide trustworthy, intuitive telephony solutions tailored for today's dynamic telecom landscapes. Ideal for professionals seeking to elevate their voice system capabilities with practical, real-world applications.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This course offers a hands-on, rapid 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, planning system migrations, managing analogue equipment, and integrating IP or cloud-based PBXs. Coverage extends to quality of service, security measures, redundancy, emergency calling services, and practical testing methodologies to confidently implement robust, superior-quality telephony setups.
Elevify advantages
Develop skills
- Design robust VoIP systems by planning codecs, call flows, and IP PBX or cloud PBX deployments.
- Construct effective dial plans including DIDs, IVR menus, hunt groups, and extension configurations.
- Optimise QoS and system resilience through voice traffic tuning, redundancy planning, and E911 integration.
- Deploy SIP trunks and session border controllers to secure, standardise, and validate PSTN links.
- Strategise PSTN to VoIP transitions with hybrid configurations, number porting, and analogue support.
Suggested summary
Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
FAQs
Who is Elevify? How does it work?
Do the courses have certificates?
Are the courses free?
What is the course workload?
What are the courses like?
How do the courses work?
What is the duration of the courses?
What is the cost or price of the courses?
What is an online course and how does it work?
PDF Course