About the IP Audio Conference Phone 203316Telephone controlsUse the Volume control buttons to adjustthe volume of the ringer and speaker.Use the Mute key on the main unit or anyextension speaker to mute the speaker. TheStatus indicator LED blinks red when mute isactivated.Note: Pressing the Mute key on theextension microphone toggles the mutestate of the entire telephone, not just themicrophone.Use the Line (DN) key to access the singleline and activate on-hook dialing. No statusicon or LED is provided.Use the Goodbye key to terminate anactive call.Press the Hold key to put an active callon hold. Press the Line (DN) key to return tothe caller on hold.Press the Message (Inbox) key to accessyour voice mailbox.
