Those guys who have not received their first AOR can follow up as below:-
1) Call at +1-613-944-4000, option to choose: 1,2,1,2,1..wait for 10-12 mins ( give details such as surname, date of birth,etc)
2) send an emial to re-london-im-enquiry @ international.gc.ca giving details of urs such as Name, Surname, Date of Birth, Passport No:, Documents delivery, etc
3) FSW-Centralized_Intake-Office@cic.gc.ca is the email id from CIO which will not entertain ur query.
Regards
Cool