addressed, communicated (with), contacted, got, reached

got through (to)acquainted, advised, apprised, briefed, clued, enlightened, familiarized, filled in, informed, instructed, notified, told, wised (up)buzzed, called, phoned, rang (up)(chiefly British), telephonedkept up (with)

got in touch with(or kept in touch with), touched base (with)