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After changing the network, how do I know which network I want to call?

Starting from today, November 16, 2018, postpaid mobile subscribers of large networks of VinaPhone, MobiFone and Viettel can switch to other networks that keep their familiar phone numbers long ago. . Prepaid subscribers will have to wait until January 1.2019 to use this service.

So, how to know if the subscriber is calling from any network, whether it is an internal network or a network? This is a question of many users because it involves call charges. Most carriers have preferential packages for internal calls, even free for less than 10 minutes. Therefore, when making a call without knowing that the subscriber has switched to an out-of-network network, it may cause unexpected charges.

After changing the network, how do I know which network I want to call? Picture 1

According to Mr. Nguyen Phong Nha, Deputy Director of Telecommunications Department, users can access the Telecommunications Department's website (vnta.gov.vn) to download the search tool. The application that identifies network subscribers after switching networks keeps this number available for both iOS and Android operators. After installing on the device, users can look up on the data system of the department to know which subscriber wants to call in the network before making a call.

After changing the network, how do I know which network I want to call? Picture 2

VNTA download link, application supporting lookup information of network transfer subscribers keep number:

  1. Android: VNTA: Vietnam Telecommunications
  2. iOS: VNTA: Vietnam Telecommunications

After changing the network, how do I know which network I want to call? Picture 3 After changing the network, how do I know which network I want to call? Picture 4 After changing the network, how do I know which network I want to call? Picture 5

VNTA has very simple usage. After downloading and installing VNTA application on smartphone, users just need to open the application and enter the phone number to look up in the box 'Enter phone number', then click on the 'Check' box. Subscriber network information will be displayed (including the original home network, the network after the network transfer) to help users know whether subscribers plan to make calls are in-network or off-net after switching networks.

For details on how to do it, fees and things to keep in mind when transferring numbers, you can refer to the article "Fees and how to switch network numbers of operators".

See more:

  1. List of top number of mobile networks in Vietnam
  2. Switchboard number of Viettel, MobiFone, Vinaphone, Vietnamobile networks
  3. How to check the phone is not deducted by the network?
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