A national fiber-optic backbone is underway interconnecting subscriber service exchanges and main exchanges. Connections to domestic and international transit exchanges in Ljubljana increased by 3,240. A 622M bps fiber-optic backbone for national communications, interconnecting to the international networks of surrounding countries, saw growth during 1995 and 1996 of 594 kilometers and 266 kilometers, respectively. The first international ISDN connection was established between Slovenia and Germany during 1995. ISDN connections to the whole of western Europe and to the USA began operations via the international transit center in Frankfurt, Germany in January 1996.
International connectivity is provided via the management center.
Flexnet conforms to ITS 1.22 recommendations. Leased lines at speeds up to 1,984K bps Sipax.25, the public packet-switched data network conforming to ITU X.25 recommendations. The X.400-based electronic mail system known as Smail. Slovenia Online, formerly known as Vinet, provides videotext, telewindow, and Internet access. In addition to the Smail 400 X.400 service, electronic mail is provided over the Slovenia Online system.