The phone rang. I picked it up.
OP (the other person): Who's this?
OP: Who is this?
me: Did you call me?
OP: This is a call-back. I'm calling you back!
me: I didn't call you!
OP: I got a call from this number; I'm calling you back!!
me: I did not call you!
OP: Then, why is this number showing up on my phone?
me: Because certain people have software that does this to be funny - I assure you, I did not call you. So, anyway, whoever you are, have a nice evening!
OP: And you, as well!
This has happened before. Maybe with caller ID it's not an issue, but this phone I used doesn't have it.