an office worker holds one phone to their ear while reaching for a second phone on their desk. The first phone shows they're already engaged in an active conversation with a client. When the second phone rings, they pick it up to answer another important call. Now they're managing two separate telephone conversations simultaneously using different phone lines. Their colleague nearby watches as they skillfully handle both calls at once. someone using a different telephone line or communication channel. Style: High-quality 2D vector cartoon illustration with bold outlines and strong action. Color palette: professional blue office tones contrasted with bright yellow phone highlights. High resolution 1:1 square composition The main subject must fill most of the frame Avoid empty background areas STRICT NO TEXT RULE Absolutely no text anywhere No letters No numbers No logos No labels No signage Replace any text areas with blank surfaces