It's a graphic of a router laying sideways with a picture of a phone on top of it. It has four dots on it's front face. Three of them are grouped to the left and the other is on the right. It has a symbolic wired connection coming out from underneath it.
This is the VOIP icon for Windows 10
. Here we go. Optimized for 32x32 px, these are the simplest icons in the line style. Downloadable formats are PNG and SVG, among others. Icons8 icon pack is unique in providing a huge number of icons designed by the same team of four designers who create the new icons every working day in the same style and with the same quality. Same cool as the Bat Face, huh.