Yealink T48G-SKYPE FOR BUSINESS EDITION User Manual page 173

The call displays "Calling On behalf of XXX" on the delegate's phone.
The delegate displays a notification after the third-party answers the call. As shown below:
Joining Conference Calls
The delegate can join an incoming conference call on behalf of a boss's line and add the boss to
the conference call.
To add a boss's line to a conference call:
Tap or
1.
If the conference needs the boss to be present, tap
2.
conference.
to join an incoming conference call.
Basic Call Features
to add the boss's line to the
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