MADACOM MAVRAGANIS BROS is a telecommunications company, approved Unify (formerly Siemens Enterprise Communications) partner, dealing with: - Unify IP PBX - Unified Communications (Openscape Business, Openscape Enterprise) - Unify Contact Centers - Unify UC Applications - Unify Telephones (Openstage - Openscape / IP - TDM) - Polycom Audio conference phones - Polycom Video conference systems - Peripheral telecommunications equipment - Services (Installation - Administration - Maintenance etc)