Global Tech Optical Line Auto Protection Switching System consists of Optical Line Protection and the operation terminal, and can realize optical powe...
Global Tech Optical Bypass Protection System is a intelligent system which applied in fiber optical communication and able to bypass failed node. It c...
Guangdong Global Telecommunication Technology GT5200C series IP PBX adopt advanced hardware and software technology and telecom grade design to ensure...
Guangdong Global Telecommunication Technology GT5200SV2 series IP PBX adopt advanced hardware and software technology and telecom grade design to ensu...