Kazakhstan backbone operator Transtelecom has signed a cooperation memorandum with Turk Telekom International on the TransCaspian Fiber Optic (TCFO) project. Kazakhstan operators Transtelecom and KazTransCom, as well as Azerbaijan operator AzerTelecom are carrying out the project to build a subsea fibre-optic line connecting Kazakhstan and Azerbaijan across the Caspian Sea. It will be used to boost connections between Europe and Asia.