10.15.2. User Interface 
No access code is required for the feature Connect Key. The feature
is implemented by a new Key in AMO TAPRO.
When presented with a group call the user can pick up the call by
pressing the connect key. (pick up function)
When in consultation with a third party the user can toggle between
the held party and the consulted party by pressing the connect Key (Toggle
Function)
Whilst in talk state the user can connect to a waiting call (if camp
on at that station is set) by depressing the Connect Key. (Camp -On pickup)
From the service menu function the user can display the key function
but reprogramming of the key from the service menu will not be possible.