Remotely View Security Cameras is important during you are outside from home or office. But its necessary to build a system to see your all camera from anywhere. You can implement is Using The Internet With DVR. You have make sure internet in dvr for it. Then you can access your all camera through dvr from your smart phone or pc.
You can monitoring your cctv network by using p2p cloud service through apps in your android mobile or smart phone. There are many kinds of apps are available in the digital world. Yo can search in your google play store. After download the apps you have to install it and connect with your DVR p2p cloud program by scan. Before doing this system you have to implement cctv security system in your home or office. Then You can connect P2P cloud system of dvr with your phone or iphone or smart device or personal computer.