+1(514) 937-9445 or Toll-free (Canada & US) +1 (888) 947-9445
Impossible to say without a lot more information about your application.
 
quicksilver6 said:
My friend got a call asked for 2015 T4. Anyone else? Will they ask difficult questions?

Check this thread http://www.canadavisa.com/canada-immigration-discussion-board/oinp-phone-call-question-t397987.0.html