Yealink CP960 User Manual page 219

Long tap the desired line key.
-
Tap More->Retrieve to retrieve the call.
The conversation is established between phone B and phone C, phone A disconnects the call.
And the line key icon on phone A and phone B will become
To retrieve a call placed on private hold:
The private held call can be only retrieved by the hold party (party A).
Do the following:
Tap , tap
1.
The conversation between phone A and phone C is retrieved.
or tap More->Resume on phone A.
Advanced Phone Features
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