Information Technology and Systems
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Chapter 10 : Telecommunication Networks
The Telecommunication System
Service Providers
Transmission Media
Standards and Regulations/Regulatory Authorities
Telecommunications in Business
Internal Business Systems
Enterprise Collaboration Systems
Electronic Commerce
Mobile Commerce Systems
Scope of Telecommunication Networks
Applications Scope
Technology Scope
Industry Scope
Telecommunication Network Components
Telecommunication Media
Terminals
Computers
Communication Channels
Telecommunication Processors
Telecommunication Software
Telecommunications Equipment for WAN
Uses of WAN
Network Convergence
Chapter Summary
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Telecommunication refers to any transmission, emission, or reception of
signs, signals, writing, images, and sounds of any nature through wires,
radios, optical, or other electromagnetic systems. Some of the elements of a
telecommunication system are service providers, transmission media and
standards and regulations/regulatory authorities.
Wireline telephone companies can be categorized as Local Exchange Carriers (LECs)
and the long distance carriers, also known as the IntereXchange Carriers (IXCs).
An IXC, also known as the long distance carrier, comes into play when a user
places a call outside the local transport area.
The telecommunication industry is regulated by the International
Telecommunications Union (ITU), a division of the United Nations, based in
Geneva, Switzerland. In India, TRAI, or the Telecom Regulatory Authority of
India, is the regulator for the industry. |
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The possible business applications of telecommunication include Enterprise
Collaboration Systems, Electronic and Mobile Commerce Systems, and Internal
Business Systems. These networks help a company overcome geographic, time,
cost, and structural barriers to make business a success.
The basic components of a telecommunication network are media, terminals,
computers, channels, processors, and software. Telecommunication networks
enable managers and end users to electronically exchange data and
information with anyone anywhere in the world. Thus, they support the
business operations and collaborate with the enterprise, customers,
suppliers, and other business partners. With network convergence, the
communication channels of data, voice, and video are integrated into a
single network infrastructure. This enables centralized network management
and in turn reduces the costs involved in maintenance and support.
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