Today Vivox announced that its Vivox SDK, which allows for in-game voice chat over a headset plugged directly into the console, will be made available to all authorized Nintendo Switch developers.
Prior to today, the Vivox SDK was only used for select games on the Nintendo Switch, including Fortnite. Now, Hi-Rez Studios has already announced it will use Vivox SDK for both Smite and Paladins in future updates.

https://www.gamesindustry.biz/articl...tch-developers