User`s guide

Speaker Button (not available on 8112N and 8212N)
Turns your speaker on or off.
Disconnects a call when you are on a handsfree call.
Ends or cancels programming.
TAP Button
Recalls dial tone or generates a hookflash.
Retrieves held calls or last call placed on hold.
Transfer/Conference Button
Transfers calls
Sets up conference calls.
Volume Control
Regulates the volume of the ringer, speaker, handset, and group
listening mode.
GCA70–281 Introducing The Telephone
LCD Speakerphone Station User's Guide 1 – 11