Yealink T46S Skype for Business User Manual page 155

The boss's phone stops ringing and the LCD screen of the boss's phone is shown below:
Placing the Calls on Hold
To place a call on hold on a boss's phone:
Press the Hold soft key or
1.
The Boss Admin key LED of the delegate's phone flashes red. The Boss/Admin screen
appears on the delegate's phone.
To place a call on hold on a delegate's phone:
Press the Hold soft key or
1.
to place the call on hold.
(A call from yl37 to yl30)
to place the call on hold.
Basic Call Features
141