COMMUNICATION CABLE SYSTEM INDONESIA, PT DKI Jakarta Optical Fibres cables, Julian Sudarno, Peter Djatmiko. juliansk@indosat.net.id, info@ccsi.co.id (62-21) 8310302 www.ccsi.co.id (62-21) 8310217 Wisma Millenia 4th Floor, Jl. MT. Haryono Kav. 16, Jakarta Selatan.