callforceLogo Design Contest Logo Design Contest Contests / callforce callforce has selected their winning logo design. For $400 they received 117 designs from 41 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by Paull Petterson Return to Contest Return to Contest 3rd #28 Withdrawn New #32 Discussion Paull Petterson Logo Designer Hello, here's my vision. An active telephone handset as a "o" character. Decided to go with o, since its circle shape is mainly associated with center and global attributes.(This comment references Entry #28) 15 years ago