Swisscom
Swisscom (Switzerland) Ltd.
IP-Plus engineering, Postfach, CH-3050, Bern, Switzerland
+41-58-221-98
United Telecom
United Telecom Zrt.
H-1037 Budapest, Zay utca 3. IV. em. 405.
+36 20 555 3055
iNES Group
Virgil Madgearu 2-6, Sector1, Bucharest, Romania
+40316202020