OTP (One Time Password) is a special type of password that can only be used once and has a limited time of use. It usually expires within a few minutes.
Voice OTP is a voice call mechanism to provide OTP code to the requesting phone device. Accordingly, the system will set up an automatic call to the registered user’s phone number to provide OTP code according to the voice script.
Digital switchboard system is currently the switchboard solution chosen by many units to apply to their business operations.
Because Voice IP has many advanced features such as large data storage, fast information transmission, easy expansion.
Bank notifies authentication code when transferring money, changing information
Mobile apps/websites that notify login codes
Applications with high user security
Fields of finance, banking, insurance, online lending services,…
With many people misunderstand and misuse spam messages like today, using branded messages to create trust with customers is very necessary.
Cost from 400 VND/successful call (save about 50% compared to sending messages).
Read both custom alphanumeric strings in the API.
Option to automatically repeat OTP code multiple times.
Option to automatically call back after X minutes if the customer does not answer or the phone is busy. In addition, the system has statistics on customer status: busy, rejected call, non-existent phone number, etc.
Voice OTP helps control costs by managing call recording duration. Therefore, the cost is extremely cheap compared to SMS and token devices.
Charges are only incurred for successful calls. Unanswered or busy calls are completely free.
Businesses can use existing customer service numbers to make calls, if users are familiar with this number.
Voice OTP is more secure than SMS OTP. The call to notify the one-time password will be made directly to the customer’s phone number to ensure privacy. With this service, the password will only be notified when the customer picks up the phone. This is a great advantage that makes the OTP code sent via Voice OTP absolutely secure.
