SMPP Software
2 Factor Authentication via Missed Call
SMPP Software Provider

What is 2 Factor Authentication via Missed Call

An Authentication factor which uses Missed/Dropped Call initiated from user's registered phone. Dropped/Missed Call is a call which gets disconnected by dedicated phone number before getting answered. You can Authenticate users using Dropped/Missed Call service.

Advantages of 2 Factor Authentication via Missed Call

  • Password-less Authentication.
  • Low operational cost.
  • Cheaper than OTP SMS Authentication.
  • Cheaper than OTP Voice Authentication.
  • Simple and secure HTTPS API based integration with your applications.

Most Commonly Used

  • Sign up Verification.
  • Leads Generation.
  • Transaction Authorization.
  • Member Account Verification.
  • Cash on Delivery (COD) shipments.


You need to avail dedicated missed call number.

Integrate our 2 Factor Authentication API.

API Work Flow

Our API handles all the authentication infrastructure. We have written a detailed documentation on 2 Factor Authentication via Missed Call which you can forward to your development team.

  1. Step 1: Hit our API with details such as callback and other parameters.
  2. Step 2: Upon Success response, flash the missed call number to be dialed to your user.
  3. Step 3: User dials the missed call number.
  4. Step 4: Operator sends us the call details.
  5. Step 5: We forward that detail to your callback URL.
  6. Step 6: Upon capturing the final response with Success, your user is authenticated.
  7. Step 7: Take your authenticated user for further transactions.

Note: Callback parameter is mandatory, the response will be forwarded to this URL whether customer dialed the missed call number or not.

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  • JoinedNovember 26, 2015
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