Course Name
Telecom Fundamentals Level-1
COURSE Number
LS 117 108
Course Duration
2 days
Course Description
An overview of the telecom industry, buzzwords., technologies,
concepts, and trends. Explore the vast telecom sector from
standards and protocols to premise access and transport
technologies. Understand Protocols, Telephony, Premises
Technologies, Access and Transport Technologies, Voice and Data
Convergence, Voice over IP (VoIP), Soft-Switch and Wireless and
Optical Networking.
Course Objective
After completing the course the attendees will be able to:
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Understand the communications industry: structure, how it is
changing, and how it affects competition, pricing and new
services
Comprehend the basics of voice & data communications
technologies
Understand the differences between analog & digital
transmission
Understand the components of voice networks
Understand private voice & data network design alternatives
Understand basics of voice traffic engineering
Understand the basics of local and wide area networks (LANs,
WANs)
Understand technologies such as frame relay, ATM, Ethernet
and TCP/IP
Understand xDSL, cable modems, and wireless technologies
Understand what is happening in voice/data/multimedia
convergence
Understand voice over IP, cable, DSL, Frame Relay, and ATM
Explore optical networking and wireless technologies
Target Audience
Individuals new to the telecom sector, new to a position or in nontechnical positions who wish to develop a basic knowledge of voice
& data communications systems.
Prerequisites
None
Course Modules
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INTRODUCTION TO TELECOM
Brief History and Evolution of the Industry
The Telecom Industry: past, present and emerging trends
The Modified Final Judgment (MFJ): Divestiture and
Deregulation
Structure of the Public Network (LATAs, IXCs, ILECs, CLECs)
The Telecommunications Act of 1996
Current Industry Trends
Basic Voice Telephony
Basic Voice Characteristics (Pitch, Volume)
Analog Voice Transmission Analog transmission concepts
(bandwidth, modulation)
Converting sound to 4 kHz analog signals
Digital Voice Transmission Digital transmission concepts
(capacity, bits-per-second)
Converting sound to digital signals (PCM, codecs)
Compensating for Transmission Impairments (Attenuation,
Noise, Delay, Jitter)
Telecom Network Components, Terms and Concepts
The Telephone and the Local Loop
The Public Switched Telephone Network (PSTN)
PSTN Switching Hierarchy (Class 5, Class 4/Tandem, Class 3, 2
and 1)
Loops and trunks
Local, Long Distance and International Service Providers
Transmission Media: Copper, Fiber and Radio
Time Division Multiplexing (TDM)
Digital Transmission
Digital voice, video and data; DS0, DS1, DS3
Transmission Systems
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Optical Networking
Signaling in the Telephone System
Data Communications Basics
IP, Frame Relay and ATM Networks
Wireless concepts; fixed, cellular: analog, digital
Fundamentals of Cellular and PCS Wireless: 2G, 2.5G, 3G and 4G
Access and Transport Networks
Time Division Multiplexing (TDM) for Voice
North American Digital Hierarchy (DS0, DS1/T1, DS3/T3)
The International Digital Hierarchy (E1, E3)
Optical-based Digital Circuit Standards
Synchronous Optical Network (SONET)
The International Synchronous Digital Hierarchy (SDH)
Conventional Subscriber Access Alternatives
Analog subscriber lines
Digital Subscriber Lines (DSL)
ISDN: Integrated Services Digital Network (BRI, PRI)
T1/E1, T3/E3, SONET and DWDM
Wireless services (cellular, PCS, Fixed)
Call Processing and Signaling System 7 (SS7)
The Public Switched Telephone Network (PSTN)
Basic Public Network Topology Intra-LATA services
Inter-LATA services
Equal access procedures
"Dial around" services and providers
Principles of Voice Traffic Engineering
Erlang-B Concepts
Private Voice Networks
Private Network Topologies
PBXs and tie lines
Virtual Private Networks (VPN)
Centrex
IP PBX
Call Centers
PBX and Centrex Features Automatic route selection (ARS)
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Direct inward dial (DID)
Voice mail
Interactive voice response (IVR)
Voice recognition systems
Automated call distributors (ACD)
Call Center Calculations
Erlang-C Concepts
Introduction to Data Networking
Voice and Data Communications Requirements
The OSI 7-layer Reference Model
Data Networks Using the PSTN
PSTN Using Data Networks
Virtual Circuit-based Wide Area
LANs/MANs/WANs
Leased Lines, X.25, ISDN, Frame Relay, ATM, and IP
Network Convergence: Voice and Data
What is COnvergence?
Voice Compression
Voice Over DSL (VoDSL)
Voice over Cable
Voice over ATM (VoATM)
Voice over IP (VoIP)
Review of Advanced Topics
Global standards and regulations
Intelligent Networks, IN/AIN
Operations Administration Maintenance and Provisioning
(OAM&P)
Life Line services and 911/E911
Communications Assistance for Law Enforcement Agencies
(CALEA)
The future of voice and data telecommunications
SoftSwitch and PSTN interconnection and interoperability