No i don't have and really surprised with this do sending emails to them inquiring about your status can cause this ? Anyone experienced it ?Do you have any military service background!!
It depends, it may take few to many months to clear the security..
For calling cic you can download the hangout and use any vpn app to call them ..
Hangouts dialer app in the playstore have no option to download tells me this app is not available in your country. Don't know how to call them