In this way the system is not a form of cellular telephone. In a 2008 referendum, many citizens voted against the introduction of cellular telephone service. Numerous cellular telephone services are also available. Smart was also authorised to offer both international gateway and cellular telephone services. For example, a cellular telephone is a transceiver. There is some cellular telephone coverage from unknown providers. The same concept was later used for cellular telephone and cordless telephone models. When closed, the device could be used as a digital cellular telephone. Saint Vincent has two ISPs (Digicel, Flow) that provide cellular telephone and internet service. Domestic interprovincial fiber-optic trunk lines and cellular telephone systems have been installed. In February 1986 Australia launched its Cellular Telephone System by Telecom Australia. In 1980, the TDMA and CDMA digital cellular telephone technology was patented. A French company operates cellular telephone service in cooperation with a state enterprise. Cellular telephone use in the core of the zone is also highly restricted. The data may automatically be sent to a doctor through a built-in internet-capable cellular telephone.