Panasonic KX-TAW848 Operating Manual page 19

Buttons
One-touch Two-way Transfer
Live Call Screening (LCS)
Voice Mail Transfer
Used to record a conversation into the mailbox of a specific extension with one
touch.
Used to monitor your own voice mailbox while an incoming caller is leaving a
message and, if desired, intercept the call.
Used to transfer a call to the mailbox of a specified extension.
1.1 Before Operating the Telephones
Feature
Operating Manual 19