PSTN and VoIP Fundamentals

Overview/Description
The history of telephony begins with the public switched telephone network (PSTN), which is the worldwide circuit-switched telephone network made up of public and private networks. Voice over IP (VoIP) is the latest telephone technology which is able to provide advanced services to both consumers and businesses, at a reduced cost. This course covers the history and operation of the PSTN and VoIP, and compares the two technologies. Basic signaling technologies used in the PSTN are also described. In addition, this course explores the expansion of VoIP in both the immediate future and in the coming years.

Target Audience
A range of established IT professionals with an understanding of networking technology who need to be familiar with VoIP technology.

Prerequisites
A basic understanding of networking technologies and good computer literacy

Expected Duration (hours)
2.0

Lesson Objectives

PSTN and VoIP Fundamentals

recognize the fundamentals of the PSTN

recognize the components of the PSTN

distinguish between circuit-switched and packet-switched networks

recognize how a PBX operates

distinguish between PSTN signaling methods

recognize how the PSTN operates

recognize key similarities and differences between the PSTN and VoIP

recognize key considerations when integrating legacy PBX applications and IP PBX systems

recognize key aspects in the evolution of VoIP

recognize the possible future developments of VoIP

recognize the challenges facing the widespread adoption of VoIP

recognize the development and future trends of VoIP