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Telephone systems communications may be classified as:
Satellite . Radio telephone communications - the two-way transmission and reception of sounds by broadcast radio on authorized frequencies using telephone handsets. The role of telephone systems can be described as follows: It acts as a medium of communication within the company, and outside as well. Telephone system may be classified as: · Duplex and asymmetrical · Simplex and asymmetrical · Simplex and symmetrical · Duplex and symmetrical · Telephone system may . While it's commonly assumed that most connections are symmetrical, this is rarely true of fee -based connections. In other words, LANs are usually symmetrical; however, WANs seldom are. Telephone system may be classified as Duplex and symmetrical A symmetrical connection has the same sized pipe or the same available bandwidth in each direction. While it's commonly assumed that most connections are symmetrical, this is rarely true of fee -based connections. In other words, LANs are usually symmetrical; however, WANs seldom are. Telephone system may be classified as Duplex and symmetrical A symmetrical connection has the same sized pipe or the same available bandwidth in each direction. Modern communications systems include a variety of hard-wired and wireless systems. The hospital might operate a telephone system that is provided as a . Communications. The users of the PBX phone system can communicate internally and externally Business phone systems are generally classified as key telephone systems if.