S-Fone Vietnam
S-Fone is the fourth largest mobilecommunication operator in Vietnam that uses the CDMA technology. Founded on July 1, 2003, in Ho Chi Minh City, Vietnam, S-fone became the third network of Vietnam. It is the trademark of S-Telecom (CDMA Mobile Phone Center) (a joint venture between Saigon Postel Corp. and Korea SK Telecom).