What are the different types of telephone services? There are different types of telephones and corresponding types of telephone systems. The three main types are Plain Old Telephone Service, cellular phones, and Internet Protocol phones. Landline telephone systems are part of the Plain Old Telephone Service (POTS),...What are the two types of cell phone service? There are 2 main types of cell service, GSM (Global System for Mobile Communication) and CDMA (Code Division Multiple Access) The two systems are incompatible.What types of telephone systems are there? Summary of Telephone System Types Key KSU Less KSU ( Key System Unit ) PBX ( Private Branch Exchange ) VoIP ( Voice over Internet Protocol or Voice over IP )What are the different types of cell phone systems? Cell phones or cellular phones are electronic devices that can make and receive telephone calls anywhere provided that they can be reached by a cellular network. There are three types of cellular phones: portable or cordless telephone, transportable telephone, and mobile telephone.
Telecommunications services are those that are provided by a communications company that offers voice and data services over a large area. The most common form of telecommunications service is phone service, which is done on either a wired or wireless standard. Other services may include Internet, television, and networking for businesses and homes.