| POTS and The PSTN |
It all begins with Plain Ordinary Telephone Service and the Public Switched Telephone Network. In this course, you’ll build a solid understanding of the fundamentals of the telephone system: customer premise and Central Office, loops, trunks, remotes, circuit switching and how a telephone call is connected end-to-end. We’ll cover LECs and IXCs, sound, analog and the voiceband, twisted pair, DTMF and SS7.
Based on Teracom’s famous Course 101, tuned and refined over the course of 20 years of instructor-led training, we’ll cut through the jargon to demystify telephony and the telephone system, explaining the jargon and buzzwords, the underlying ideas, and how it all works together… in plain English.
Featuring many photos of actual equipment both inside a Central Office and in the outside plant, this multimedia course is an excellent way to get up to speed on traditional telephony.
Standard Plan
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Course Outline
1. Introduction watch now (free)
Course overview
2. History of Telecommunications (USA and Canada)
Local phone companies, long distance; Bell System, breakup, LECs and IXCs; Canada
3. The Public Switched Telephone Network (PSTN)
Loops and trunks, CO, customer premise, circuit-switching, outside plant, loop length, remotes
4. Analog Circuits and Sound
What analog means, microphones, speakers, copper wires and electricity, sound: trees falling in the forest
5. The Voiceband watch now (free)
Reproducing thoughts vs. reproducing sound, frequency range, filters, limitations
6. Plain Ordinary Telephone Service (POTS)
Twisted pair, dial tone, ringing, supervision, lightning protection
7. Signaling: Pulse Dialing and Dual Tone Multiple Frequency (DTMF)
Dial-up, make-or-break signaling, touch-tone, DTMF, in-band signaling
8. Signaling System 7 (SS7)
Control system for the PSTN, SCPs and SSPs, examples of sophisticated call routing
9. Multiple-choice Exam
Course Webpage Printable Brochure
Standard Plan price
$39 |
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