5:35

Data Packets - How does the internet send data?

14:24

Free Private Phone System (PBX)

17:55

Subnet Mask - Explained

7:11

VPN (Virtual Private Network) Explained

1:01:21

Introduction to Voice Over IP

7:00

Modem vs Router - What's the difference?

5:01

VoIP : comprendre l'essentiel en 5 minutes

26:33

Como compartir internet con una conexion punto a punto