E-Learning Course: Voice over IP

  • ID: 340737
  • Training
  • 6 Hours
  • PTT - Providers of Telecoms Training
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This online course is aimed at those responsible for the design or maintenance of Voice over IP systems. With convergence, telecoms providers are unifying their infrastructure to carry all types of traffic over a single network. These next generation networks employ the same protocols as the Internet.
This course introduces the principles and operation of telephony services that operate over Internet Protocol (IP) networks - Voice over IP (VoIP).

You will get the most out of this course if you already understand the operation and use of the Internet protocols. It is recommended that TAF: ""IP networks"" is studied before attempting this 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:

- explain the advantages of a Voice over IP (VoIP) service.
- describe the basic principles of carrying voice samples in IP packets.
- describe the effects of network impairments such as delay and jitter on a VoIP service and describe the techniques that reduce transmission delays.
- describe voice encoding and processing techniques inc. echo cancellation, compression and silence suppression.
- describe the characteristics of various encoder types.
- explain the factors that determine the bandwidth requirements of a VoIP service.
- describe the role of the signalling protocols SIP and H.323 and the functions of call servers and gateways.
- explain the significance of VoIP service parameters inc grade of service, availability and post-dial delay.
- describe the role and the relationship between the DiffServ, RSVP and MPLS protocols in providing an improved quality of service for VoIP calls.
- describe the components, protocols and operation of signalling systems using the Session Initiation Protocol (SIP).
- describe the role of the Session Description Protocol (SDP).
- describe the components, protocols and operation of signalling systems conforming to the ITU H.323 family of recommendations.

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The course consists of the following six modules:

1. Course introduction
2. VoIP packet transport
3. Voice encoding
4. VoIP systems
5. Session Initiation Protocol
6. H.323 VoIP systems
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Blended learning at Belgacom
Before attending specialised trouble-shooting training sessions, staff at Belgacom now study learntelecoms e-learning courses.

"The advantage of the e-learning formula for the introduction training was that at the end of the e-learning courses all participants in the "advanced" module had the same level of knowledge. This was greatly appreciated by the participants"
- Gino Van de Sompel, training and development consultant at Belgacom

Cost effective training for Jersey Telecom

"As a communications service provider based "off shore" we have found that the e-learning courses provide high quality and excellent content training to our engineers without the need to arrange expensive flights out of the island
truly cost effective"
- Bill Barker, training and development manager, Jersey Telecom

Real world training for eircom
"Three factors led us to select e-learning: the courses use European jargon and bit rates, they are obviously written by telecoms professionals with real world insight and the interactions are well thought out"
- Richard Downey, e-learning manager, eircom plc

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