1.3 The authentication method of NTT Communications Business Portal
The authentication method for logging in Business Portal is the 2-Step Verification.
2-Step Verification requires users to enter a unique security code in addition to the password when users sign in Business Portal.
We provide the TOTP authentication or the MailOTP authentication as a second verification.
Portal Admin can change the Second Verification method of portal users. Please see 4.1 Managing Users how to change the method.
What’s TOTP authentication(Time-based One Time Password)
Users could get the verification code via the authenticator app in user’s devices like a smartphone and a tablet. Users should install the authenticator app like Google authenticator, Microsoft authenticator etc. on user’s devices.
What’s the MailOTP authentication (Mail One Time Password)
You could get the verification code via e-mail to your mail address after first verification.
