Snom 320 System User's Manual page 8

S N O M U S E R ' S G U I D E
Enable or disable the headset device
Adjust volume (lower/higher)
Open phone book
Info menu
Menu (Not currently used)
Redial
Settings Menu
XML Add-on
Establish 3-party conference
Do not disturb mode on/off
Call hold / hold-release
Call transfer
Record a call (with server support only!)
Connect to Mailbox
LED for MWI (Message waiting indication)
Cancel/End
OK/Accept/Start Call
Scroll between active line or menu options.
7