vicidial.org

In the below pasted information ,the count of total calls today is 510 and Answered calls is only 232.
Where does all other calls went and why is the difference in the count came?
i have kept only one in group to make sure that all calls will be coming to only one in group.


DIAL LEVEL: 1 TRUNK SHORT/FILL: / 0 FILTER: NONE TIME: 2012-08-23 11:27:53
DIALABLE LEADS: 0 CALLS TODAY: 526 AVG AGENTS: 0 DIAL METHOD: INBOUND_MAN
HOPPER LEVEL: 5 DROPPED / ANSWERED: 2 / 237 DL DIFF: 0 STATUSES: NEW
LEADS IN HOPPER: 0 DROPPED PERCENT: 0.84% DIFF: 0.00% ORDER: DOWN
+ VIEW MORE VIEW USER GROUP SHOW SERVER INFO HIDE WAITING CALLS SHOW IN-GROUP STATS SHOW PHONES SHOW CUSTPHONES
NO LIVE CALLS WAITING
12 agents logged in 1 agents in calls 4 agents waiting 7 paused agents 0 agents in dead c

Total calls - Answered calls = Not answered calls
and that is are NA (No Answer AutoDial), N (No Answer), B (Busy), AB (Busy Auto), DC (Disconnected) and so on
check the report "Outbound Calling Report" and you will see them