South Telecommunication Software Joint Stock Company (South Telecom) is a telecommunications service provider headquartered in Vietnam. The company specializes in offering a range of telecommunication solutions, focusing on voice-over-IP (VoIP) services. Through its platform, Worldfone, South Telecom provides services tailored to both individual and business needs, including international calling, value-added communication features, and support for businesses seeking efficient telecommunication solutions. The company's offerings are designed to enhance connectivity and communication capabilities for clients by leveraging advanced technology.