Intercom is an electronic device for
establishing internal oral communication among the people engaged in different
branches, sections, units or officers of the same organization. It
is an expansion of telephone connection of a particular office.
But it cannot be used to contact with the people outside the
organization.
Generally large scale organizations having various departments or units engage many people to accomplish their specific tasks. Those people perform their jobs sitting in many office rooms of different floors: For smooth functioning, the engaged people are provided with intercom facility. Generating intercom system the telephone sets of various departments or offices are connected with the main intercom machine installed earlier. Under this system the user has not to pay for every call. Thus this system ensures economy in communication.
