Hi Henry,
You *might* be able to provision these cameras and get them operational using the ONVIF device support, but YMMV. I haven't had much luck in getting Cisco VSM to speak ONVIF (successfully) with endpoints that are otherwise compliant.
According to the 7.7 Release Notes, you won't get Video Motion Detection, but you should get PTZ control.
Best of luck!
Scott.
Scott Olsen
Solutions Specialist
Bulletproof Solutions Inc.
Web: www.bulletproofsi.com