Yealink T48G-SKYPE FOR BUSINESS EDITION User Manual page 168

User Guide for the T48G Skype for Business phone
To resume a call held on a boss's phone:
Do one of the following:
The boss taps
-
The delegate taps the red Boss/Admin soft key to view the calls that are held by boss.
-
Tap the avatar of the caller. The call will be resumed by the delegate, and the boss will drop
the call automatically.
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or presses to resume the held call.