Airtel Also provided us a good options for the activation of DND on sim mobile number, it is easier and almost same as the previous one. Just follow the steps to activate DND on airtel.
Activate DND through message.
- type the START, 0 (zero) in your text message body. Make sure type START in capital letter.
- Send it to 1909, this is the official service number of the TRAI.
Activate DND through call.
- Dial number 1909 in your dialer.
- After dialing number user needs to follow the IVR prompt.
- After it the process will began for the DND activation
Activate DND through Online
- Visit the official website of airtel on https://www.airtel.in/.
- Now go to the DND page.
- Enter your mobile number.
- user get One time password(OTP) in his/her mobile number.
- enter the OTP.
- select the stop all option and DND process begins.