Phone Callback Fill is a solid-style Icon from Rounded Fill - Streamline Material set.

The Phone Callback Fill icon shows a filled telephone handset with an arrow pointing upward and to the right. Drawn in the solid style on a 24px grid so its rounded forms stay clear at small sizes. Use it for callback buttons, return-call requests, missed-call actions, and phone contact interfaces. It belongs to Rounded Fill - Streamline Material set in the Streamline Material family.