| Logging into and Locking Your Phone | 18Passing Multi-Factor AuthenticationMFA applies to user sign-in, web sign-in and sign in via PC methods. You can use Voice call verification orText verification to log in and use the Skype for Business phones. The Skype for Business phones will use theauthentication mode you set on the Skype for Business client by default.Procedure1. Log into your Skype for Business phones using the user Sign-in, web sign-in or sign in via PC method.Your phone or web broswer enters the verification screen.2. Depend on the authentication mode you selected on the Skype for Business client:• If you select Call me, your mobile phone will receive a call. Answer the call and follow the voice prompt tocomplete authentication.• If you select Send me a code by text message, your mobile phone will receive a verification code. Enter theverification code into the Skype for Businesss phones or web broswer and then select Verify.Your phone signs into Skype for Business phone successfully.Note: You can switch between the Voice call verification and Text verificaton methods on your phoneor web brower.Related tasksSign In Using Your Skype for Business User CredentialsSigning in to Skype for Business on Your Computer Using BToESigning in to Skype for Business Using Web Sign-In MethodSigning in to Skype for BusinessYou can use one of the following methods to sign in to your phone with your Skype for Business credentials:• User Sign-in: This method uses the user’s credentials (sign-in address, user name, and password) to sign intoSkype for Business server. This sign-in method is applicable to On-Premises account and Skype for BusinessOnline account.• Sign in via PC: Sign in with the Skype for Business client when your phone is paired to your computer withBetter Together over Ethernet (BToE). This sign-in method is applicable to On-Premises account and Onlineaccount.• PIN Authentication: This method uses the user’s phone number (or extension) and personal identificationnumber (PIN) to sign into Skype for Business server. This sign-in method is only applicable to On-Premisesaccount.• Web Sign-in: Sign in to your account on your computer using the web address shown on the phone. This sign-inmethod is only applicable to Skype for Business Online account.Note: If the phone reboots after successful login, the login credentials from the previous Sign-In will becached. User can sign in successfully without re-entering the credentials.• Sign In Using Your Skype for Business User Credentials• Signing in to Skype for Business on Your Computer Using BToE• Signing in Using Your Skype for Business PIN Authentication• Signing in to Skype for Business Using Web Sign-In Method• Signing out of Skype for BusinessRelated tasksSetting a lock PIN
