Yealink T48S Skype For Business Edition User Manual page 31

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.
1.
Tap Sign in.
2.
The pairing code and URL are shown on the screen.
On your computer, enter the URL into your web browser.
3.
Getting Started
29