VNPT VinaPhone Corporation ,[1][2] also recognized by its brand name VinaPhone (sometimes stylized all lowercase or alternatively Vinaphone), is a major mobile network operator in Vietnam and the core subsidiary of the state-owned Vietnam Posts and Telecommunications Group. Founded 26 June 1996, as a GSM launcher, VinaPhone is the second network (after MobiFone) and currently the second largest provider in Vietnam.
Partnership
on 17 Nov. 2009, VinaPhone had joined Conexus Mobile Alliance[3] In the beginning of September 2014 VinaPhone signed a strategic co-operation agreement with Vodafone.[4]