Please refer to the attached file to install DMSS in your Blackberry phone. Scroll to the bottom of the PDF file and you will see a picture of compatible phones.
!!!NOTE!!! The Port 554 (TCP/UDP), MUST BE OPEN in the Router in addition to the rest of the DVR ports.This port number must be pointed to the Internal IP of the DVR. Please refer to the network settings of your DVR to find the Internal IP Address. Go to Main Menu>Settings>Network and write down the information displayed in the "IP Address" field, so you know which IP address you have to point this port number too.