Call-based authorization systems

Instant, 100% delivery of the password to the user

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4 times cheaper than SMS

Free trial period

Call authorization

This is a two-factor authentication method where the customer of an online service receives a phone call to verify their actions within the app.

Voice Password

Solution for subscriber authorization via spoken code or word

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Flash Call

Subscriber authorization using the last 4 digits of the number

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Where are call-based authorization systems used?

Receiving a one-time code

During registration on websites or in mobile apps when the phone number is used as a login

Registering in a personal account and getting a password

Without clicking links or using email, directly on the website or app

Connecting to Wi-Fi in public places

Identifying the phone number when accessing a public Wi-Fi network

Who Is suitable for call-based authorization services

E-commerce

Ensure security and convenience for your customers by allowing them to quickly and easily authorize themselves during purchases

Medical institutions

Our authorization system enables secure management of access to patients’ personal accounts

Education

Educational institutions can use our system to simplify the authorization process for students and teachers. This makes managing access to learning materials and resources easier

Online services

Simplify registration and login processes for users, increasing their loyalty. Our authorization system provides fast and secure authentication

How the service deployment process works

1. Request a consultation

Contact our team via the feedback form or by phone. We are ready to answer all your questions and help select the best solution for your business.

2. Signing the contract

After choosing the authorization system, we will prepare and agree on a service agreement with you. This ensures transparency and protects your interests.

3. Technical Integration

Our team of developers will handle the integration of the authorization system into your existing business processes. After integration, we will conduct testing to ensure proper functioning and that all specified features are working correctly.

4. Service launch

After completing all stages and successful testing, the authorization system will be put into operation. You will be able to enjoy all the benefits it offers.

Реальные кейсы с использованием авторизации по звонку

For all business sectors interacting with clients

Authorization for an online home appliance store

Every month, 1.2 million users log in to their personal accounts on the website and app

Government lottery sales company

Implemented a cost-effective customer authentication service within their app

Authorization for a Delivery Restaurant Chain

Each month, 150,000 users log in to the website and app of the client

Authorization for a German small wholesale company

Over 100,000 customers use the Voice Password system monthly

Comparison of authorization systems

Voice Password
Flash Call
Authorization system
Advantages
Disadvantages

Subscriber authorization by dictation of a code or word

Advantages

Cheaper than SMS

Call is delivered quickly

Guaranteed delivery

Cascade mode with SMS possible (fallback)

Disadvantages

User has to remember the code or phrase

Call connection depends on the operator’s signal strength

Authorization by last 4 digits of Incoming call number

Advantages

Low cost

Easy integration

User convenience: only need to enter the last 4 digits of the incoming call number

Disadvantages

Frequent blocking of numbers by telecom operators

Sometimes the call comes from an international number, which may alarm the client

No possibility to enable fallback cascade with SMS

Frequently asked questions

Yes, the service is suitable for all industries requiring fast, reliable, and cost-effective user authorization.

Yes, the service is suitable for all industries requiring fast, reliable, and cost-effective user authorization.

How soon can the service be launched after connection?

After technical integration (usually via API), testing is performed depending on the chosen option. The setup can take from a few hours up to 1–2 business days.

Is it possible to choose the robot voice that reads the code or phrase?

Yes — when connecting the call-based authorization service, it is possible to choose from a voice library: male and female voices with different tones are available.

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Subscriber authorization by the last 4 digits of their number

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Anonymous checks of subscriber availability without making calls

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