Is it still the case that verifying a user's text identity does not verify their voice identity and vice versa?

IMO it would be very nice if calling someone and verifying the short code would confirm their text identity as well and if, once someone's text identity is verified, if voice calls to that person were protected by the verified text identity.

(IIRC the reason that Signal does not work this way is that texts use Axolotl whereas voice uses ZRTP and the key material is completely independent.)