The Trans-Caspian Fiber Optic Cable is a backbone fiber-optic cable between the Republic of Azerbaijan and the Central Asian Republics through the bottom of the Caspian Sea, being an Asian part of the mega Digital Silk Way project, and creating a digital telecommunications corridor. The Trans-Caspian Fiber Optic Cable is a backbone fiber-optic cable between the Republic of Azerbaijan and the Central Asian Republics through the bottom of the Caspian Sea, being an Asian part of the mega Digital Silk Way project, and creating a digital telecommunications corridor. The Trans-Caspian Fiber Optic Cable is a backbone fiber-optic cable between the Republic of Azerbaijan and the Central Asian Republics through the bottom of the Caspian Sea, being an Asian part of the mega Digital Silk Way project, and creating a digital telecommunications corridor between Europe. AzerTelecom and Kazakhtelecom have officially begun the next phase of the Trans-Caspian Fiber Optic Cable Line construction, a key component of the Digital Silk Way project, which aims to create a digital corridor between Europe and Asia. The Trans-Caspian Fiber Optic Cable Line Project is being. The Trans-Caspian Fiber-optic Cable project, set to establish the first fiber-optic connection between Azerbaijan and Kazakhstan, has reached a new milestone in its construction phase. The project owners, AzerTelecom and Kazakhtelecom, announced. ASTANA – Kazakhstan and Azerbaijan have officially commenced the active phase of a telecommunications project to lay the first-ever underwater fiber optic cable along the bottom of the Caspian Sea. The arrangement was officially signed during a visit by Kazakhstan's Prime Minister Olzhas Bektenov to Baku, Azerbaijan, as reported by Primeminister.