The 1980īs
BackThe 1980s
The period of constructing the fibre optic network, the Internet starts spreading in the world. Radiolinja is established. Deregulation begins.
HPY's first digital equipment was installed in the Central area exchange in 1982. (The equipment convert electronic signals of old phones into digital. Computer-controlled exchanges process these signal pulses and mechanical switches are no longer needed.) By the end of the decade, almost one-third of the phone numbers in the Helsinki metropolitan area had been digitised.
1982
The NMT network was opened. The first NMT phones were permanently installed in the car. The first portable Nokia Senator weighted 10 kilos and it cost FIM 18,000.
1983
The X.25 packet-switched network services were launched. In packet switching, data is assembled into packets and buffered before forwarding it.
HPY initiated the construction of its area-wide fibre optic cable network in 1984 (2 fibre optic cables can simultaneously transmit 6,000 calls). Fibre optic cables transmit voice, data and radio and TV programmes.
The nationwide provider of data transfer services, Oy Datatie Ab, was founded in the spring of 1985; HPY was the founding member of the company. Datatie was granted a licence in 1988.
Email service ELISA (ELektronInen SAnomanvälitys) began in 1986. The Internet brought email to the public knowledge eight years later.
Oy Radiolinja Ab was founded in 1988. The founding of the company aimed to break the mobile phone monopoly of the Post and Telecommunications, which included the manually operated system plus NMT 450 and NMT 950 mobile phone systems.
Japan launched the first commercial ISDN service in the world in 1988. In Finland, the first ISDN switch was implemented in 1989.