Telephone Switching Course
Gain expertise in telephone switching through hands-on training in PSTN, VoIP, SIP, SS7, QoS, and network design. Develop skills to plan capacity, secure communications, troubleshoot using professional tools, and manage seamless PSTN-to-IP transitions in contemporary telecom environments.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This course provides a practical guide to mastering telephone switching, covering TDM basics, SS7/ISUP, VoIP protocols like SIP and RTP, media gateways, QoS management, capacity planning, codec choices, high availability setups, migration paths, interworking solutions, and troubleshooting for robust voice networks.
Elevify advantages
Develop skills
- Design VoIP capacity by sizing trunks, calls, and QoS.
- Configure SIP, RTP, codecs for quality packet voice.
- Implement secure voice with SRTP, SIP TLS, NAT, firewalls.
- Integrate PSTN-IP via SS7-SIP, gateways, call flows.
- Troubleshoot networks with Wireshark, CDRs, MOS, RTP tools.
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
As suas aulas são perfeitas. Adquiri o pacote de um ano e, finalmente, tenho a oportunidade de acompanhar diversos temas do meu interesse sem precisar mudar de plataforma... agradeço por tudo o que fazem, já recomendei vocês a outras pessoas...

Giulio CarloAluno de Marketing Digital
Eu gosto de como as lições são direto ao ponto e como eu consigo alterar capítulos e pular conteúdos que não preciso.

Mariana FerresAluna de Fotografia
Gosto do conteúdo e do modo de apresentação e transcrição de vídeos, o que acelera o processo!

Luciana AlvarengaAluna de Design de Unhas
A plataforma é rápida, simples de usar. A diversidade de conteúdo e os vídeos complementares ajudam muito no aprendizado.

Giulio CarloAluno de Engenharia de Prompt
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