Advice of Charges (AOC)
Some softswitch platforms (such as BroadSoft) support advice of charges (AOC) during a call. When this
feature is available, the phone shows the current and final charges in the call item of the
Calls
screen.
Call States
As a call progresses from beginning to end, it goes through a number of defined stages known as call
states.
The following call states are defined for calls on the phone.
List of Call States
Icon
Call State
Description
Available Operations
LED Pattern
Dial tone
Dial tone plays to prompt user to enter
the target number to call.
End
Steady green
Dialing
User is entering a target number to call.
End
Steady green
Trying
Trying to call the dialed number, but the
called party hasn’t started ringing yet.
End
Steady green
Peer ringing
The called party is ringing.
End
Fast blinking green
Ringing
An incoming call is ringing the phone.
Reject, Answer
Fast blinking green
Connected
Connected on a call and both sides are
talking.
End, Hold, Transfer,
Blind Transfer
Steady green
Holding
User has placed the call on hold.
End, Resume, Add to
Conf., Transfer, Blind
Transfer
Medium blinking
green
Ended
Call failed due to various reasons, such
as invalid number, service not
available, or the called party is busy.
End
Slow blinking green
Idle
No call.
None
Off
Getting Started with Poly Edge B Series IP Phones
14