national: country code - 94; the SEA-ME-WE-3 and SEA-ME-WE-4
submarine cables provide connectivity to Asia, Australia, Middle
East, Europe, US; satellite earth stations - 2 Intelsat (Indian
Ocean)

Sudan
general assessment: well-equipped system by regional standards
and being upgraded; cellular communications started in 1996 and have
expanded substantially
domestic: consists of microwave radio relay, cable, radiotelephone
communications, tropospheric scatter, and a domestic satellite
system with 14 earth stations
international: country code - 249; linked to international submarine
cable Fiber-Optic Link Around the Globe (FLAG); satellite earth
stations - 1 Intelsat (Atlantic Ocean), 1 Arabsat (2000)

Suriname
general assessment: international facilities are good
domestic: combined fixed-line and mobile-cellular teledensity about
90 telephones per 100 persons; microwave radio relay network
international: country code - 597; satellite earth stations - 2
Intelsat (Atlantic Ocean)

Svalbard
general assessment: probably adequate
domestic: local telephone service
international: country code - 47-790; satellite earth station - 1 of
unknown type (for communication with Norwegian mainland only)

Swaziland
general assessment: a somewhat modern but not an advanced
system
domestic: mobile-cellular subscribership is increasing; combined
fixed-line and mobile cellular teledensity approaching 40 telephones
per 100 persons; telephone system consists of carrier-equipped,
open-wire lines and low-capacity, microwave radio relay
international: country code - 268; satellite earth station - 1
Intelsat (Atlantic Ocean) (2007)

Sweden
general assessment: highly developed telecommunications
infrastructure; ranked among leading countries for fixed-line,
mobile-cellular, Internet and broadband penetration
domestic: coaxial and multiconductor cables carry most of the voice
traffic; parallel microwave radio relay systems carry some
additional telephone channels
international: country code - 46; submarine cables provide links to
other Nordic countries and Europe; satellite earth stations - 1
Intelsat (Atlantic Ocean), 1 Eutelsat, and 1 Inmarsat (Atlantic and
Indian Ocean regions); note - Sweden shares the Inmarsat earth
station with the other Nordic countries (Denmark, Finland, Iceland,
and Norway)

Switzerland
general assessment: highly developed te