Tata Communications Limited provides telecommunication services. The Company's segments include Voice Solutions (VS), and Data and Managed Services (DMS). The VS segment includes international and national long distance voice services. The DMS segment includes corporate data transmission services, virtual private network signaling and roaming services, television and other network and managed services. It offers international and national voice and data transmission services, selling and leasing of bandwidth on undersea cable systems, Internet dial up and broadband services, and other services comprising telepresence, managed hosting, transponder lease, television uplinking and other services. It serves two customer segments: service providers and enterprise customers. It classifies its operations into business segments, including global voice solutions, and global data and managed services.