I've had quite a number of requests for Vizio and would love to add support for it to the volume plugin. After failing to find any information on how to control a Vizio TV over network, I contacted them directly and asked about it. Unfortunately their response was that their TVs do not support any kind of remote control over network.
I don't know why they made this kind of decision when most other major brands have this capability.
Note that Vizios can be controlled with the plugin using IR if your phone or tablet has a built-in IR blaster.Tags: Vizio