Voice OTP

Being the most reliable OTP service provider in Pakistan, CSMS.pk provides the best-in-class voice OTP services to ensure customers’ security and prevent online fraud. Our Voice OTP services automatically generate a code based on numeric or alphanumeric digits for various purposes, like users’ verification and authorization, transaction verification, account reactivations, password resets, etc.

Our best voice OTP service guarantees reliable and instant voice delivery countrywide. It initiates a voice OTP verification call within a few seconds and boosts customer engagement. Moreover, our voice OTP service offers a fail-proof layer over the default SMS OTP process. When SMS OTP gets failed, our voice OTP ensures 100% delivery with a text-to-speech OTP code sent over a call. We also support personalized call formats for our voice OTP requests. You can add your brand name or sales offer to improve branding and sales for your business.