Vistacam constant transmission of data on Internet

HI.

I have an Edge controller in the cottage. This is remote and the only Internet available is WIMAX.
This means restricted bandwidth but mostly restricted data volumes per month ( and expensive)…

I wanted to install 2 Vistacams PT to allow me to have remote views of the cottage.
However, as soon as I install one camera, there is a constant approx 1.0 mbps data flow towards the internet (not only on the LAN).
This is true even if I am not connected on the web portal.

At that rate I will bust the limit I have and incur enormous ‘penalties$$$’ for it.

Is there a way to configure the camera(s) such that they keep quiet when no one is connected on the portal and starts transmission when I connect?
Or is there a way to configure the camera(s) such that they keep quiet until I am in view mode on the camera?

If I cannot, I might have 2 new cameras for sale :-\

I looked at the forum and I did not find any hint.

Thanks

Daniel