Its Reach undersea cable venture with PCCW is a top carrier of voice and data services from Japan to India.
It acquired the city's only profitable cellular operator, CSL. But growth prospects are limited.
Telstra has a venture with Shanghai's SVA Group to provide data services and a deal with mobile operator China Unicom to help build CDMA infrastructure.
It has small investments in Indonesia, Cambodia, and Sri Lanka and is looking to expand.