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Microwave
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Paging
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Public Mobile Service (Analog)
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Public Mobile Service (Digital)
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Non-Public Mobile Services
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Frequency Monitoring
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Frequency Management
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Dedicated Networks
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Maritime & Aeronautical
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MW Transmission Links
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Service Development
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Quality of Service |
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Voice
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Analog Switching
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Digital Switching
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ISDN/B-ISDN
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Terminal Equipment
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Service Development
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Quality of Service |
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Others
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Buildings
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Power Supply
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Air-condition
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Logistics
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Project Management
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Data Processing (Hard and Software)
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Market Services
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System Development
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Training Concepts & Courses
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Financial Studies
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Project Evaluation |
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Non-Voice
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Test and Measuring
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Packet Switching
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Circuit Switching
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Electronic Mail
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Telex, Teletex, Telegraph
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Videotex
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Data Transmission
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Leased Lines
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Terminal Equipment
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Service Development
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Quality of Service |
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Satellite
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Ground Segment
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Earth Station
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Space Segment
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Network Integration
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Service Development
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Quality of Service |
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Outside Plant and Cables
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Digging
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Ducts
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Circuits
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Cables
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Optical Fibre
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Terminal Equipment
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Test and Measuring |
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Broadcasting
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Radio (VHF, UHF,....)
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TV
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