To ignore gender this should be combined with gender-neutral voice processing for phone interviews, but it’s doable and not that hard.
http://blog.interviewing.io/we-built-voice-modulation-to-mas...
(yes, its inconclusive, but)
> for technical ability, it appeared that men who were modulated to sound like women did a bit better than unmodulated men and that women who were modulated to sound like men did a bit worse than unmodulated women. Though these trends weren’t statistically significant, I am mentioning them because they were unexpected and definitely something to watch for as we collect more data.
What happens after the person is hired?
No one expects it will be easy to end discrimination, but it is hard to see how it will be solved by piling on more discrimination.
Taking your boot off someone's throat doesn't make them your equal when they're still on the ground.
To answer your question the issue of discrimination is solved by not discriminating. If women and others are being discriminated against then stop doing this, rather than just start discriminating against other people.