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Viettel customers will receive internal and external network notifications for subscribers who switch to the network to keep the number when making calls

The network transfer service of network operators is being used by many users. However, one of the things that customers are interested in using this service is to determine what is an internal network and what is an out-of-network subscription to avoid the occurrence of high unintended charges. In order to support customers, Viettel network operator has implemented the internal and external network notification program when making calls to network subscribers.

Every time you make a call, on the smartphone's screen, the call information is being made whether the network is on-line or off-line.

Viettel customers will receive internal and external network notifications for subscribers who switch to the network to keep the number when making calls Picture 1

With this notice, customers can distinguish the connected subscriber number as the net number or Viettel's internal network that has switched to keep the number unchanged, thereby adjusting the call time accordingly to be able to control costs. use.

Currently, Viettel is the first network operator in Vietnam to implement solutions to help customers distinguish between internal and external calls.

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