Shows information about your phone, including directory number, call 
information (for example caller ID, icons for an active call or call on hold) 
and available softkeys.  
• Active calls—Pressing the button takes the default action for an active 
call. For example, pressing the session button for a ringing call 
answers the call and pressing the button on a held call resumes the 
call. Session information, such as caller ID and call duration, appears 
on the phone screen next to the session button.  
• Call functions—When a session button is not being used for an active 
call, it can be used to initiate functions on the phone, as indicated by 
the adjacent phone screen icons. For example, pressing the session 
button can display missed calls, take the phone off hook, or dial your 
voice-messaging system (with a Voicemail icon). Color LEDs reflect 
the call state. LEDs can flash (blink on and off rapidly), pulse 
(alternately dim and brighten), or appear solid (glow without 
interruption).  
• Flashing amber    —Ringing call. Pressing this button answers 
the call.  
• Solid green   —May be a connected call or an outgoing call that 
is not yet connected. If the call is connected, pressing this button