Home | End Users Hub | Phones and Voicemail | Cisco 6800 Series Videos Phones & Voicemail Hub To start, please select from the categories listed below: Cisco 6800 Series Videos Function Buttons Navigation Cluster Softkey Buttons Line Buttons Placing Calls Answering Calls Call Forwarding Enable and Disable Do Not Disturb Voicemail Placing Calls on Hold / Resuming Calls from Hold Three Way Calling Blind Transfer Consulted Transfer Direct Transfer to Voicemail Call History Park and Retrieve Calls Cisco 6800 Series