The h245-stage parameter in the H323 stack determines____________.

The stage at which the Net-Net 4000 will start tunneling H.245 messages

The point in the call where H.245 messages are allowed, given that the call has been connected

The stage at which the Net-Net 4000 will indicate that a separate H.245 connection must be opened or will react to an external indication to open a separate H.245 connection

The point at which H.245 will appear on stage