For all the intercom features to work you will need to connect the DS-KV6113-WPE1 to a PoE Injector/Switch and then add it to Hik-Connect as a separate device, but if the intercom is on the same local network as the NVR you can use its IP address to add it to the NVR as remote device (as long as you have a channel available to use) and have it connected to both Hik-Connect and the NVR.