SIP device not selecting as per selected customer accounts. It didn't refreshed properly.

steps :- 

1. Login as admin.
2. go to get add-on.
3. installed voice broad casting add-on.
4. now re-login as admin/sub-admin login.
5. go to inbound > voice broad cast.
6. click on create.
7. now select any one customer account.
8. now click save and go back to grid.
9. now again click on create and check selected sip device and observe.

Actual result :- SIP device not selecting as per selected customer accounts. It didn't refreshed properly.

Expected result :- Sip devices should be display in drop-down properly as per selected accounts only. 

see videos :-