10.15.1. Feature Description 
A digital feature telephone or Keyset has limited function keys. To
make access to multiple functions from one key possible the Connect Key
is introduced.
CONNECT KEY combines the following functions
- Toggle in consultation and between foreground / background
- Pick up a camp-on call
- Pick up a call from a pick up group
Where toggle and pick up are possible at the same time the toggle function supersedes
pick
up.