Yealink T48G-SKYPE FOR BUSINESS EDITION User Manual page 36

User Guide for the T48G Skype for Business phone
If it is disabled, you cannot sign into the Skype for Business Server using Web sign-in
-
method.
Click Confirm to accept the change.
3.
To sign into Skype for Business Server using Web Sign-in method via phone user
interface:
Select Web Sign-in from the pull-down list of Login Type field..
1.
Tap Sign in.
2.
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