S.I.F.E.X.S was a telecommunications company with extensive experience in the Balkan and Eastern European markets, specializing in the engineering, installation, and maintenance of business communication systems. As an authorized distributor for AVAYA (formerly Lucent Technologies and AT&T), S.I.F.E.X.S provided cutting-edge solutions to meet evolving market demands. The company also expanded into satellite communication, partnering with Global One. S.I.F.E.X.S is committed to enhancing telecommunications infrastructure for businesses, governments, and individuals, having installed over 20,000 communication ports to date.