Yep, call the 1-800 number given above, follow the automated system by pushing the buttons that apply, you will be directed to a representative. Say you are completing a transfer, she will ask for a reference number, she will then direct the transfer to the CFO for approval. Depending on the CFO and province, this could be overnight, this could be a few weeks.
After approval, have seller ship firearm to you or you pick firearm up.
This applies for buying in a private sale. If buying from a dealer, you will not have to complete the transfer as the dealers are authorized to complete it on your behalf.