Total active calls and channal "1"

ain’t that mean pears are active and in calling session?
actually i have disconnected all the users from Freebpx is is still showing active call 1 and active channal 1

am i getting it wrong or there is a problem!.

FreePBX Statistics
Total active calls 1
Internal calls 0
External calls 0
Total active channels 1
FreePBX Connections
IP Phones Online 0

please throw some light on this matter.