Avaya NN43113-101 - Manual (Page 215)

While on an active call
215
Audio/Actvate
Press the Audio context-sensitive soft key to
change the audio settings or the current
active call.
The Actvate context-sensitive soft key
appears when the highlighted call is not the
selected call.
Press the Actvate context-sensitive soft key
to place the current call on hold and activate
the call you want to connect to.
This context-sensitive soft key is also used
to retrieve calls parked against the user.
Note: The Actvate context-sensitive
soft key never appears at the same time
as the
Audio context-sensitive soft key