As far as I know, this is a usual step for all outland applicants and it doesn't tell how much progress has already been made. The only thing we know is that your R10 and medical have been done by Sydney before the transfer.
You could try getgcmsnotes.com or other similar websites that are popular on this forum
As to calling them, I don't have any experience as to how to contact an overseas VO. You could search for this info on this forum as many folks have done so.
To be honest, even after we have passed the 6-month mark, I still don't believe they will provide a valuable response. We should only expect a generic reply such as it is still in progress, it needs additional verifications, it is in queue to be reviewed by an officer and blablabla.