failing phone screens gets you a letter.

I ended up leaving a voice mail thanking him for making the trip, mentioning that the team enjoyed meeting him, we'll keep resume on file and if anything more suitable comes up blah blah blah.

We really do keep all contacts on file - consequently it doesn't do a lot of good to submit again if you got far enough to actually get rejected (rather than ignored) because we just find your previous interview notes read those.