10 years ago I still had my little blocky gray proto-Blackberry (a Wyndtell) and people kept saying "oooh what is that??"
If I wanted to contact a hearing person, I used my tty and message relay, or email.
People HATE message relay -- they're almost always really uncomfortable with it. (I type to a "caller assistant," who voices what I've typed to the person I'm calling, then the CA types what that person says, etc.)
Most people I knew had email, but they often didn't check it very often.
Now, SO much better!
Sososososo much better.
If I have to contact a hearing person I know, 90% of the time I can do it via text. They're comfortable with it, they use it all the time, it's nothing unusual -- it's irrelevant that I'm deaf, it's just a standard means of communication for them.