48
▪
With the buttons at the bottom, you
may answer calls, set up calls and set
the audio line for the active line.
▪
PRETALK: Conduct the pretalk with the
handset or via the microphone and
speaker of the phone.
▪
An icon
①
on the button indicates
whether the speakerphone or the
handset is active.
▪
Tap the Pretalk button
①
to switch
between handset and speakerphone.
Call Control
– Pretalk
①
