If you wanna go back to Vancouver as soon as possible, then just apply inland. Prepare every documents in Australia, for example baby's and your husband's birth certificate, .........ext.
I think you should prepared to send other application as soon as possible. My friend had same experience before.
CIC couldn't find it , and tell her to resend. :o
I heard that. Many case from Beijin VO all transferred to HKVO,even they already got the AOR2 still transferred to HKVO >:(
My friends applied Sponsorship last year, only took her 5 months. HK case! Wish we can graduate from this soon.