Yealink T48S Skype For Business Edition User Manual page 36

User Guide for the T48S Skype for Business phone
If you want to change to text verification method, do the following:
1)
2)
3)
If you select Send me a code by text message, your mobile phone will receive a
-
verification code and the Skype for Business phone shows as following:
Enter the verification code received in the corresponding field and then tap Verify.
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Tap Switch on the verification screen.
Select Text verification.
Enter the verification code received in the corresponding field and then tap
Verify.