Public Switched Telephone Network
0AA000002 NGN Description v3r3 ISSUE 3.0
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1 Introduction to Telephony. 2 Agenda Basic Analog Telephony Basic Digital Telephony Consolidated Transport Networking.
1 Chapter 1: roadmap 1.1 What is the Internet? 1.2 Network edge end systems, access networks, links 1.3 Network core circuit switching, packet switching,
Chapter 5 Voice Communications. Agenda Telephone Central office Public Switched Telephone Network –Lines –Signals –Numbering –Services Private telephone.
Telephone Service. 2 PSTN l The Public Switched Telephone Network l Worldwide l A call may cross many telephone company boundaries l Also Known as POTS.
Physical Layer – Transmission Media CS442. Transmission Media Two basic formats –Guided media : wires, fiber optics Medium is important –Unguided media.
911TF_NextGeneration..
Ppt1
Unit 3 Updated
Topic 6 Data Network (Part 1)
