1. Voice intercom under the same WIFI route, supports multi-person intercom, or two private voice intercom, you can turn off your own intercom and only receive the other party's voice.
2. Recording permission is required, the software needs to be connected to the same WIFI router, and the router needs to turn on the broadcast function. The home WIFI router turns on the broadcast function by default, and the company or commercial router may need to turn it on manually