FlashCall authorization
Send passwords to your clients via incoming calls.
Sigma messaging offers FlashCall — a service for delivery one-time passwords in a phone number. It is an affordable alternative to SMS messaging. FlashCall
is 5 times more profitable than SMS.
White label
A modern and profitable two-factor authorization method with a number of significant advantages. It allows sending a confirmation code to the subscriber via incoming call.
Benefits of FlashCall
-
Instant authorization
-
A subscriber easily gets the code
-
One price for all operators
-
Delivery guarantee
-
Simple API integration
Activate FlashCall in 5 minutes
SIGMA messaging manager will contact you to get the details and create an account in the platform.
Leave your contacts
High cost efficiency and safety in one service
Flashcall — one-time password given in the last four digits of an incoming call number. It may be applied for user authentication.
Sending a password via incoming call is much more profitable than using messengers. A large amount of calls guarantees
reliable protection of subscribers' personal data.
Sending a password via incoming call is much more profitable than using messengers. A large amount of calls guarantees
reliable protection of subscribers' personal data.
Unique advantages
Cascade messaging
Set up messaging cascading via all provided channels, such as FlashCall, WhatsApp, Viber, SMS.
Benefits of Cascade messaging:
- Cost optimization — save up to 70%
- Use of all multimedia possibilities in one bulking session
The system analyzes the contact base and send messages via the most profitable channel. Single API to reach your goals.
Get a quote
Please leave your contact details. Our manager will contact you and provide with a detailed description of the features and prices at our platform.