Dynamic Provisioning Types:
SMS OTP : VIP can generate a security code and deliver it directly to a user's mobile phone using SMS
Voice OTP: VIP can generate a security code and deliver it directly to a user's phone using a voice call
Service-generated OTP: VIP can generate a security code and deliver it to your organization, allowing you to send it to the user in a manner of your choice. The user registers the phone number or other ID with VIP, which can then validate the security code.