Tenders Are Invited For Maintenance And Repair Of Information Technology Equipment – ​​Maintenance Services, Network Operation And Renovation Of The Core Gsm-R Network Core Systems, Centralized Telecommunications Management And Central Energy Remote Control System Of The High-Speed Network And Gsm-R Mobile Telecommunications Facilities, Fixed Telecommunications, Vca (Video Surveillance, Access Control And Anti-Intrusion)...

Maintenance And Repair Of Information Technology Equipment – ​​Maintenance Services, Network Operation And Renovation Of The Core Gsm-R Network Core Systems, Centralized Telecommunications Management And Central Energy Remote Control System Of The High-Speed Network And Gsm-R Mobile Telecommunications Facilities, Fixed Telecommunications, Vca (Video Surveillance, Access Control And Anti-Intrusion).... Maintenance Services, Network Operation And Renovation Of The Core Gsm-R Network Core Systems, Centralized Telecommunications Management And Central Energy Remote Control System Of The High-Speed Network And Gsm-R Mobile Telecommunications Facilities, Fixed Telecommunications, Vca (Video Surveillance, Access Control And Anti-Intrusion), ...