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Flash Call -
confirmation code in the phone number
A secure way to authenticate users by receiving a password through an incoming call
How Flash Call Works
A verification code is requested from the client, within a few seconds a call is received on his phone from a number whose last digits are the verification code. Next, the user enters the code into the authorization window or calls it to the seller.
Login to the website, purchase of goods, payment confirmation, login to the mobile application or any other system that requires verification by users.

Making a call to the user's phone from the number +7 XXX XXX 7832.

The user is verified on the website, in the application or in the loyalty program by specifying the code 7832

The Script
If the user missed a call or did not remember the digits of the code, the phone number remains in the missed calls.

This is 4-5 times cheaper than SMS messages with a verification code.

The call is made within a few seconds after the request.

Dial-up is carried out all over the world, without restrictions.

There is a dial interval setting and a Flash Call "lifetime".
Where it is used
✓ When registering on websites or in applications

✓ With two-factor authentication, when you log in, in addition to the main password, you need to enter an additional password

✓ Getting one-time access without registration

✓ When password recovery

✓ When shopping online or in an off-line store

Algorithm of operation
The last 4 digits of the number from which the call is received are the code.
When a code is requested, a call is instantly received to the number specified by the client

During the call, the client sees the last 4 digits of the number - the code

The client enters the received code into the form on the website or in the application
The system accepts the code and activates further use of the service
11 years
In the communications market
500 millions
Messages per month