The main Transmission Systems and practices are:

• Optical & Carrier Ethernet Transport
• Digital Cross Connect
• Coarse Wavelength Division Multiplexing (CWDM)
• Multi Service Provisioning Platforms (MSPP)
• Passive Optical Networks
• OFDM & WiMax
• Point to Point & Point to Multi-Point
• Metro and Regional Transport Network
• Multi-Protocol Label Switching (MPLS) and ATM
• Digital Microwave Radio (DMR)
• Next Generation SDH and Legacy PDH Systems