+1(514) 937-9445 or Toll-free (Canada & US) +1 (888) 947-9445
That's my concern i never got an email. Not at the time of submission of application, not after medical pass not at IP2

Then it must be something wrong with your contact information.
i would suggest you to call IRCC/ call center and try to find out what exact details they have to contact you.