Before we dwell upon the types, and specifications of IP security cameras and their applications in various fields, it is important to understand that CCTV cameras are different from IP cameras. IP cameras or Internet Protocol cameras convert video signals into IP pockets that are transmitted across networks and stored in network-based storage like NAS or server. Whereas, CCTV or Closed Circuit Television cameras turn video signals into a format that can be used by television, VCRs, or DVRs.