Editor’s Corner—Frontier, CenturyLink, Windstream see broadband wireless as a gap filler for CAF-II obligations, but is it optimal? | FierceTelecom Posted on October 12, 2017 Editor’s Corner—Frontier, CenturyLink, Windstream see broadband wireless as a gap filler for CAF-II obligations, but is it optimal? | FierceTelecom.