This is an overview of the use of telecommunications and the various protocols used in telecommunication today. It is an instructor led presentation course.

  • This is a foundation level course, ideal for anybody with an interest in Tele Communications, as such no special prerequisites are necessary other than the desire to learn!

During this course you will:

  • Gain an understanding of the history and development of Telecommunications
  • Learn about the standards and developments
  • Learn how Analogue is converted to Digital and the benefits this brings
  • Gain an understanding of techniques used by Telecomm providers

Chapter 1 - The Roots of Telecommunications

  • 1876 to the present
  • Standards organisations

Chapter 2 - The Telecoms Network

  • The PSTN
  • The Access Network/ Local Loop
  • The Core Network
  • The Data Network

Chapter 3 - Telephony Networks

  • Basic telephone circuit
  • Signalling
  • Loop Disconnect/DTMF
  • SF/MF, E&M
  • Analogue Speech signals
  • Analogue transmission
  • Bandwidth, baseband, modulation
  • Frequency/Time Multiplexing
  • Why digital?
  • Digitalization methods
  • Pulse Code Modulation
  • A law and mu law companding
  • Adaptive Differential PCM
  • Analogue/digital voice comparison
  • Transmission media
  • Copper wire pairs
  • Fibre
  • Wireless Local Loop
  • Coax cable
  • Telephone Numbering (E.164)
  • Switching in telephony networks
  • Routing and signalling
  • Information transfer
  • Simple call set-up
  • Signal concepts and representation
  • Telecoms billing systems
  • Telecoms network management
  • Service implementation
  • Services for revenue generation
  • Intelligent Networks (INs)

Chapter 4 - Digital Voice Transmission and Multiplexing Technologies

  • Digital transmission systems
  • Reintroduction to multiplexing
  • The 2Mbit/s Framed Interface
  • Framing - G.704
  • Channel Associated Signalling (CAS)
  • The Plesiochronous Digital Hierarchy (PDH)
  • Electrical characteristics - G.703 - HDB3
  • Signalling protocols
  • CAS and CCS
  • DASS2
  • DPNSS
  • Q.931
  • Q.SIG
  • ITU-T Signalling System No. 7 (SS7)
  • The Synchronous Digital Hierarchy (SDH)
  • SDH Advantages
  • SDH Standards
  • SONET
  • SDH and SONET bit rates
  • SDH Multiplexing Hierarchy
  • How does SDH Work?
  • SDH Frame
  • Terminal Multiplexers (TM)
  • Add/Drop Multiplexers (ADM)
  • Digital Cross Connect (DXC)
  • The SDH Network Sections
  • SDH Bus Structured System
  • SDH - Single Ring
  • SDH - Double Ring
  • Layered, SDH Ring Network
  • Optical fibre
  • Dense Wavelength Division Multiplexing

Chapter 5 - Voice Telephone Systems

  • The PABX
  • Centrex
  • Management systems
  • Key telephone systems
  • Voice response systems
  • Voice messaging systems
  • Computer Telephony Integration (CTI)
  • Structured wiring systems
  • Wire categories e.g. CAT 1-5 UTP

Chapter 6 - Integrated Services Digital Network

  • What is ISDN ?
  • Why ISDN?
  • Terminology
  • B & D Channels
  • Interfaces T/S/R/NT1/NT2
  • The digital telephone set
  • Digital exchanges and switching
  • Direct Dialling In
  • ISDN applications
  • Video teleconferencing

Chapter 7 - Asynchronous Transfer Mode

  • Broadband ISDN
  • Asynchronous Transfer Mode
  • What is it?
  • ATM Cells
  • Why cell switching?
  • What is it used for?
  • ATM Principles
  • VPI's and VCI's
  • ATM QoS
  • ATM Adaptation Layers
  • ATM Header
  • ATM Switching Principles

Chapter 8 - Broadband Technologies

  • New local loop technology
  • Asymmetric Digital Subscriber Loop
  • ADSL Standards
  • G.lite G.DMT
  • How Does ADSL Work?
  • Frequency Allocation
  • Local Loop Restrictions
  • The DSLAM
  • BT IPStream Network Model
  • Symetric Digital Subscriber Line
  • Fibre to the node/curb/home
  • Broadband cable modems
  • Very High Bit Rate DSL

Chapter 9 - Next Generation Telephony Networks

  • The Convergence Story
  • Business Benefits and Issues
  • Voice over IP: H323, SIP, Megaco
  • IPTV and Video over IP
  • IP Multicasting
  • Triple Play Services
  • IP Multimedia Subsystems
  • ITU Focus Group (NGN)
  • NGN - Simplified Network
  • MuIti-Service Access Nodes
  • MSAN Access
  • Metro Node
  • NGN - The Core
  • IMS
  • Introduction to MPLS
  • MPLS Principles
  • MPLS Label Stack
  • Architecture - VPN Separation
  • MPLS Forwarding Example

Chapter 10 - Wireless Communications

  • Why mobile communications?
  • Evolution of mobile systems
  • Systems types
  • Radio paging
  • Radiotelephone (incl CB)
  • Mobile telephone service
  • Cellular radio service
  • Dispatch radio
  • Personal Communications (PCN)
  • Mobile data systems
  • GSM, GPRS, UMTS

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