Does it just not call or do you get an error message? If you ported over your number it may still be activated with your previous carrier. Happened to me with Bell. I ported my number over and texting worked immediatley but could not call or recei...
Your phone is most likely locked to your previous carrier. Unlocking is now free in Canada. Bring the phone to your previous wireless company and they will unlock. You can ususally do it online with them or over the phone as well. It is just a nu...