Skip navigation

Evolution of PSTN

Evolution of PSTN: Learning VoIP and Unified Communications
Evolution of PSTN: Learning VoIP and Unified Communications

After the invention of the telephone, the infrastructure expanded. Several key court actions opened the network and allowed independents to join and manufacture their own equipment and disrupt the long-held Bell monopoly.

Resume Transcript Auto-Scroll
Skill Level Intermediate
1h 8m
Duration
43,349
Views
Show More Show Less
Skills covered in this course
Network Administration IT

Continue Assessment

You started this assessment previously and didn't complete it. You can pick up where you left off, or start over.

Start My Free Month

Start your free month on LinkedIn Learning, which now features 100% of Lynda.com courses. Develop in-demand skills with access to thousands of expert-led courses on business, tech and creative topics.

Start My Free Month

You are now leaving Lynda.com and will be automatically redirected to LinkedIn Learning to start your free trial.