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How to block spam calls, activate DND on Jio, Airtel, Vi
Despite several measures by Telecom Regulatory Authority of India (Trai) in past few years, the problem of pesky telemarketing calls and messages has remained as it is. You can block all telemarketing, promotional or spam messages and calls by activating DND on your number. Here is the step by step process to activate DND on your number.
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