Introduction to Voice Over IP
54:03
Introduction to Telephone Systems
53:41
Introduction to Servers
7:34
What is VoIP?
58:10
Understanding Switches
1:09:35
TCP/IP and Subnet Masking
26:30
Monta un NAS potente, barato y con muchos servicios. Introducción a los servidores caseros
1:00:51
Telephone System Call Routing
30:05