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  1. 1. DEFINITION OF TELECOMMUNICATION • “ COMMUNICATION OVER A DISTANCE BY CABLE, TELEGRAPH, TELEPHONE, OR BROADCASTING ” • “Telecommunications, or telecom, is basically the transmission of signals over long distances. “
  2. 2. History of Telecommunication : • • • • It began with the invention of telephone in 1876 Then radio broadcasting started in late 1800s Then Television in the early 1900s In the current Era telecommunication include the internet , cellular phone networks e.t.c
  3. 3. Business telecommunication:  “Business telecommunication involves devices, networks & equipment's that are used to help businesses connect with customers and colleagues.”  This can include basic things like telephone and fax, and more recent technologies such as voice over Internet (VoIP) services.  The types of telecommunications used may vary from company to company, and will depend widely on the business's individual needs.
  4. 4. Communication channels  Definition of communication channel: A medium through which a message or information is transmitted to its intended audience, such as print media or broadcast (electronic) media.  In an organization, information flows forward, backwards and Horizontal. This information flow is referred to as communication.
  5. 5. Importance of a Communication Channel: A breakdown in the communication channel results in an inefficient flow of information. • Employees would be unaware of what the company expects of them. • They are uninformed of what is going on in the company. • This will also affect the decision making and productivity in the workplace.
  6. 6. Types of Communication Channels : communication channels are grouped into three main groups: • formal • informal • unofficial
  7. 7. Formal Communication Channels:  A formal communication channel transmits information such as the goals, policies, and procedures of an organization.  This type of communication channel follows a chain of command.  This means information flows from a Top level of management to First line management.  Examples: A business plan, customer satisfaction survey, annual reports, employer's manual, review meetings are all formal communication channels.
  8. 8. Informal Communication Channels: in some organization there may be both formal and informal The only strict hierarchical web of communication is not always good. This type of communication channel may disrupt the chain of command, a good manager needs to find the fine balance between the formal and informal communication channel. Examples : Team work, different training programs are outside of the chain of command and so, fall under the category of informal communication channels.
  9. 9. Unofficial Communication Channels: • The unofficial communication channel in an organization is the organization's 'grapevine'. The grapevine means the rumors circulate. Group of People of the organization spread rumors like outside friendship.  A good manager should check information circulating in this unofficial communication channel and should take positive measures to prevent the flow of false information. Examples: An example of an unofficial communication channel is social gatherings among employees.