Kazakhstan and Azerbaijan have officially launched the active phase of an ambitious project to lay the first-ever fibre-optic cable beneath the Caspian Sea—a major step toward transforming the region's digital infrastructure and strengthening connectivity between Asia and Europe. The cable will run along the seabed of the Caspian Sea, from the Kazakh city of Aktau to the Azerbaijani city of Sumgayit. AzerTelecom. NEQSOL Holding, a global conglomerate serving over 25 million customers across 11 countries, today announced the commencement of the first phase of construction for the Trans-Caspian Fiber Optic Cable Line. The Trans-Caspian Fiber Optic Cable Line Project is being.