Various meetings , seminars or groups can be organized through teleconferencing. Teleconferencing is the process of organizing a meeting or seminar by connecting some people at different geographical distances through a telecommunication system. Anyone from anywhere in the world can use a telephone to conduct a teleconference. Teleconferences can be of different types. Such as: Public Conference , Closed Conference and Read Only Conference. Public conferences are open to all. Anyone can attend this conference. Closed conferences are not open to everyone ; Password protected. Only with a specific password can you attend this conference. These are controlled by teleconferencing software systems.