8 April 2023 @ 09:00 - 9 April 2023 @ 17:00 CFOSH April 2023 Certified Fiber Optic Specialist FTTH (Athens)
28 April 2023 @ 09:00 - 30 April 2023 @ 17:00 CFOT April 2023 Certified Fiber Optic Technician (Athens)
16 June 2023 @ 09:00 - 18 June 2023 @ 17:00 CFOT June 2023 Certified Fiber Optic Technician (Thessaloniki)
29 July 2023 @ 09:00 - 30 July 2023 @ 17:00 CFOSH July 2023 Certified Fiber Optic Specialist FTTH (Athens)
1 September 2023 @ 09:00 - 3 September 2023 @ 17:00 CFOT September 2023 Certified Fiber Optic Technician (Athens)
22 September 2023 @ 08:00 - 24 September 2023 @ 17:00 CFOT September 2023 Certified Fiber Optic Technician (Athens)
6 October 2023 @ 09:00 - 8 October 2023 @ 17:00 CFOT October 2023 Certified Fiber Optic Technician (Thessaloniki)