PNG ICO ICNS MORE
Computer & hardware
Smooth
Crystal Project
voice, Headset, support
Black
256x256
support, agt
Futurosoft
Headset, Personal, support
128x128
Network & communications
Oxygen
lifeguard, help, insurance
Chocolate
UI
Function icons
Ask, help, questionmark
WhiteSmoke
48x48
Desktop apps
KDE Crystal Diamond
support, help, File