আসৄhttps://btcl.dinajpur.gov.bd/আবাসলকডজাসকলডজা
BTCL has a strong backbone transmission network through which PDH services (E1, E3 etc.), SDH services (STM1, STM4, STM16, STM64 etc.) and DWDM transmission bandwidth services are provided.
Planning and Implementation: Cabinet Division, A2I, BCC, DoICT and BASIS