Nortel 4025 Guia Do Utilizador

Any line that is selected to either make a call or receive an 
incoming call. The term 

off-hook is applied, regardless of whether 

the user actually (a) lifts the handset, (b) presses a line key, (c) 
the call is automatically answered at the set, or (d) a line is 
automatically selected for an outgoing call.

A method of conversing with the party on the other end of the line 
without lifting your handset.

Any line selected to make a call or receive an incoming call. 
The term 

off-hook is applied whether (a) the end-user lifts up the 

handset, (b) the end-user presses a line key, (c) the call is 
automatically answered at the set, or (d) a line is automatically 
selected for an outgoing call.

A set of keys programmed by your system administrator. These 
keys are located directly below the display area, and have four 
programmable layers. The layers are accessed through the 

 key. These keys are also used to configure parameters in 

the 

 menu.

Screen displays that interact with the user as a result of an action 
or event.

A telephone number programmed to a single Quick Call key for 
one-touch dialing.