This SMS icon has Android KitKat style. If you use the icons for Android apps, we recommend using our latest Material Icons icon pack (please check our sidebar on the right). Otherwise, it's a solid icon pack that looks good in small resolutions, either on the web or in print. It's characterized by thick lines, smooth corners, and is optimized for 24x24 pixels.
This is a speech bubble. The speech bubble is in the shape of a rectangle with rounded edges and a little comma on the bottom left that would point towards the speaker. Inside of the speech bubble are 3 circles in a horizontal line.