E-Learning Course: Telephony Systems

  • ID: 2924809
  • Training
  • 7 Hours
  • PTT - Providers of Telecoms Training
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This online course is aimed at those involved in the maintenance of telephony systems.

This e-learning course provides an introduction to the principles and operation of circuit-switched telephony as used in the Public Switched Telephone Network (PSTN). Fundamental issues that are also relevant to Voice over IP services are discussed.

You will get the most out of this course if you already have an appreciation of the facilities provided by modern telecommunications systems.
It is recommended that the e-learning course SRD: ""Telecoms networks and services"" is studied before attempting this ""Telephony systems"" course.

This e-learning course has a comprehensive range of interactive training facilities to provide a total learning experience. Technical words and acronyms have links to an online glossary giving an instant explanation. Interactive simulations explain concepts and systems operation.

Onscreen question sessions at the end of each module test understanding and provide further guidance and instruction. Revision links provide quick access to subjects previously discussed and relevant to the module being studied. Once studied as a structured, assessed course, the content can be browsed for revision or reference.

Course objectives:
By the end of this course you will be able to:

- describe the components and structure of the PSTN, the functional elements of an exchange and numbering in the PSTN.
- describe the role and principles of signalling inc. channel associated and common channel signalling.
- describe the structure and components of the local access network.
- describe the role of the various signalling conditions on the local loop with reference to DTMF and Calling Line Identity (CLI).
- describe the role of, and relationship between, the various protocols used by the common
- channel signalling system number 7 (C7) for inter-exchange signalling.
- explain the role of the various ISUP signalling messages involved in call set-up including the IAM and ACM messages.
- describe the services provided by, and the operation of, the Intelligent Network.
- explain the objectives of teletraffic engineering and describe the parameters used in
- assessing the service offered by a telephony system.
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The course consists of the following seven modules:

1: Course introduction
2: Introduction to the PSTN
3: Signalling principles
4: The access network
5: Inter-exchange signalling
6: The Intelligent Network
7: Teletraffic engineering
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