Topic outline

  • Telecommunication Networks

  • Course Introduction:


  • Lesson 1: Basic Telephony



    Objectives of this lecture:

    After completing the lecture, the students will able to know:

    • To get a brief idea on basic Telephony system.

    Lecture Contents:

    • Basic Telephony system.
    • Local and Trunk Exchange.
    • Different types of switching.
    • Manual exchange system.
    • Central Battery exchange.
    • Megnato Telephone System.

  • Lesson 2: Switching techniques1

  • lesson 3: Switching Techniques 2

  • Lesson 4: Telephone System

  • Lesson 5: Switching system parameters:

  • Lesson 6: Strowger Switching System part 1


    Objectives of this lecture:

    After completing the lecture, the students will able to know:

    • The automatic exchange call set up.
    • Difference between manual and automatic exchange call set up.
    • Pulse Dialing and Dual Tone phone set.

    Lecture Contents:

    • Rotary Telephone System.
    • Rotary Exchange Switching System.
    • Different types of pulses.
    • Uniselector and two motion Selectors.
    • Call Set up Procedure in autonomic exchange.

    Video Slides:

  • lesson 7-8: Strowger Switching System part 2

  • Lesson 9-10: Strowger Switching System part 3

  • Assignment


  • Lecture 11-12: Crossbar Switching System part1


    Lecture Outcomes:

    After completing the lecture, the students will able to know:

    • The Trunk Switching.
    • Virtual Routing.
    • Crossbar Switching System.

    Lecture Contents:

    • Virtual Routing.
    • Crossbar Switching System.
    • Touch dial Phone.
    • Blocking Exchange.
    • Non-Blocking Exchange.

    Lecture Slides:

  • Lesson 14-15 Cross bar switching part 2


    Lecture Outcomes:

    After completing the lecture, the students will able to know:

    • SPC Exchange Operation.
    • SPC Exchanges Switching Techniques.

    Lecture Contents:

    • SPC Exchange.
    • Centralized SPC.
    • Stand by Mode.
    • Synchronous Duplex Mode.
    • Load Sharing Mode.
    • Availability of the system.
    • Distributed SPC.
    • View
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  • Lesson 16-17 : High speed digital access (Part 1)


    Lecture Outcomes: 

    At the end of the session students will be able to :

      • The students will able to know The DSL modem connected to PSTN.


  • Lesson 20-21: Traffic Engineering



    Lecture Outcomes: 

    At the end of the session students will be able to :

    • Analysis and design of Telephone network traffic
    • Blocking Probability 
    • Erlange 
    • The basic Signaling for Telephone Exchange.



  • Lecture 22-23 : SONET

    Lecture Outcomes: 

    At the end of the session students will be able to :

    • The students will able to know SONET Network and applications in PSTN network.

    Lecture Contents: 

    • SONET definition.
    • SONET Applications.
    • SONET Frame and bit rates.
    • Different types of SONET networks (Mesh, Ring).
    • SONET advantages and disadvantages.

    Lecture Slides:

  • Lesson 23-24 SS7 signaling


    Solve the mathematical problems regarding all basic calculations in telephony system.