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.
Benefits of FlashCall
A subscriber easily gets the code
One price for all operators
Simple API integration
High cost efficiency and safety in one service
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.
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.