Step 1: Enable control inside the TiVo/DTV TiVo menu. You can do so by using the following path:
From TiVo Central, go to TiVo Central > Settings and Messages > Settings > Remote Control, CableCARD, and Devices > Network Remote Control.
Step 2: In the Builder browse for devices and import device called "TIVO SERIES 3 DVR TCP" when searching for Type=Aux + Vendor=TiVo.
Step 3: In the app setup a NETWORK GATEWAY with the IP address of the TiVo box and port number 31339
Please be aware that TiVo only supports one connection at a time for its IP control. This means that only one instance of can control your TiVo box at any given time.