For more than 20 years, Fiber Fusion OnCall has been providing a wide variety of fiber optic services to customers throughout Westlake as well as many of the surrounding areas. From fiber optics installation and repair to diagnostic reporting and even 24-hour emergency repair, Fiber Fusion OnCall can set you up with the services you need in a timely fashion.. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.