Minister of Information and Communications Nguyễn Mạnh Hùng directed the Việt Nam Telecommunications Authority (VNTA) and network operators to stop the supply of pre-activated SIM cards.
Vietnamese telecommunication giants including VinaPhone, Viettel and MobiFone will deploy mobile number portability (MNP) services from this Friday (November 16).
Experts say telecommunications providers have to proactively prevent spam.
The Ministry of Information and Communications (MIC) asked relevant departments and agencies to strictly handle violations related to the management of pre-activated SIM cards.
The Ministry of Information and Communication has fined four telecommunication enterprises for sending and spreading spam text messages to advertise their services.
A fine of up to VNĐ40 million (US$1,760) will be applied to the trading of pre-activated SIM cards, according to a decree on penalities on telecommunications, information and technology sector.
The Ministry of Information and Communications (MIC) has requested network operators to withdraw and deactivate nearly 20 million pre-activated SIM cards and banned the sales of these SIM cards, however, many stores continued selling them online.
As many as 16 million of the 17 million pre-activated SIM cards that were recalled have been locked by service providers as of January 15
The Viet Nam Information Technology Press Club this week issued a list of the top ten domestic information and communication technology (ICT) events of 2016.
The Hà Nội Department of Information and Communications has set up inter-sector inspection teams to supervise the management of pre-paid SIM cards in the city from November 29 to December 31, department chief inspector Nguyễn Văn Minh said.