Compatibility speaking, I agree with you Fenderman to ensure a system will work is to keep all components from the same brand however, even you have to agree typically the "hybrid" systems acheive the real expectation one wants from their camera system. Being unfamiliar with ONVIF and its meaning, I banking that two ONVIF devices should be compatibile.
Q-See NVR just didn't do it for me. Nothing against the NVR but it wouldn't show the picture of the camera it did see on the network nor allow me to change it's settings. As for manipulating the system using RTSP, I tried adding my PTZ camera manually because the system never picked it up but it was stuck in the "connecting" process. I believe that may have been my fault for not knowing the IP address on the PTZ camera. Which leaves me to a question....does IP cameras have their own IP addresses built in?
If you say Hikivision had the capability to add cameras to the system manually then I think I will have to explore that avenue.
Judging by all your "thanks", having more experience people like you and Alastairstevenson in great forums such as this assisting us "novice types" through setbacks is worth its weight in gold. I appreciate the help....and of course I will be picking your brains again in the near future.