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
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