The Nx team has implemented Nx Two-Way Audio feature for Axis devices in Nx Witness 2.5 patch: 11806. Now, you’re able to use Axis Two-Way audio devices with alarm and rules capabilities. You can download the patch here.
In the meantime, watch and enjoy the video below illustrating how the Nx Witness’ Two-Way Audio feature works with Axis I/O devices.
Nx Witness – Advanced IP Video Management. Made Simple.