ZipTel Ltd. engages in the business of telecommunications. It provides international roaming and calling solutions to the consumers. The company operates through the AussieSim and ZipT segments. The AussieSim segment deploys a prepaid travel sim card into the overseas travel market to avoid bill shock. The ZipT segment is a mobile based Voice over Internet Protocol communication application that allows consumers to short message services and make international calls from their mobile. ZipTel was founded on March 4, 2004 and is headquartered in Osborne Park, Australia.