User in paused status but received inbound call

Hi Guys,
We experienced an issue where user is in paused status but it received an inbound call and resulted to DROP call, there is also 1 user who is in closer status and did not received the call at that time.
ViciBox Server v.6.0
VERSION: 2.12-515a
BUILD: 151007-2224
SVN Version: 2173
DB Schema Version: 1432
Release: 42.1
Distributor ID: openSUSE project
Description: openSUSE 13.1 (Bottle) (x86_64)
Release: 13.1
We experienced an issue where user is in paused status but it received an inbound call and resulted to DROP call, there is also 1 user who is in closer status and did not received the call at that time.
ViciBox Server v.6.0
VERSION: 2.12-515a
BUILD: 151007-2224
SVN Version: 2173
DB Schema Version: 1432
Release: 42.1
Distributor ID: openSUSE project
Description: openSUSE 13.1 (Bottle) (x86_64)
Release: 13.1