Outgoing mobile call color square buttons - Stock vector

outgoing, outbound, initiate, send, call, answering, smartphone, phone, cellphone, mobile, cellular, communicate, communication, dialog, talk, listen, device, display, screen, electronic, digital, technology, buttons, icons, application, symbol, signs, set, design, user-interface, template, vector, illustration, glossy, square, rounded, rounded-square, rectangle, color, blue, red, green, orange, purple, yellow, cyan, gray, grey, black, white