Blocking calls to Viettel numbers will help you proactively block annoying phone numbers quickly. This method will require you to pay a small monthly fee. Follow the steps below with 2kface to block incoming calls from annoying you.
1. Reasons to block calls to Viettel
There will be many different reasons why you need the network’s number blocking service. Below are some of the most common reasons that many users encounter.
- Being bothered too much but not being able to handle it
- You are using a “brick” phone that does not have the call blocking function on the phone
- Tried the blocking function on the device but it didn’t work
- Want to temporarily block a certain number to avoid being bothered
2. How to block incoming calls using your carrier’s service package
To be able to successfully block calls to your phone, please refer to and follow the instructions below.
Step 1: Open your phone to compose a message, note that the account must have money because the way doshare instructs is to register to call Viettel’s number blocking service. This package will cost 7000 VND / month.
Step 2: Compose a message with the syntax: DK send to 209, wait a moment for a message to be sent informing you of successful registration of the call blocking service from the switchboard. If you need to find an application to receive OTP codes, you can refer to Telesafe which supports free texting and calling.
Step 3: Next copy the number to block or write it down on paper and compose the message according to the following syntax: THEM sdt1, sdt2, sdt3,… (for example: THEM 0123456789 send 209) send to 209. Wait for the successful blocking notification If you enter these numbers, you have successfully blocked it.
Step 4: After successfully adding blocking numbers, you need to turn on the blocking function and complete the ONA syntax sending 209 and you’re done.
3. Conclusion
So I just showed you how to successfully and easily block incoming calls for Viettel sim . Usually this method will be applied when your phone does not have the call blocking function or is not effective at blocking calls.
In addition, if you have any other related issues that need support, please leave a comment below and I will respond as soon as possible.