Which is correct

Question

(Who, Whom) is on the telephone?

With (who, whom) did Paige say she was going?

Answer 1

Who subject, whom object of preposition

Answer 2

can someone just flat out say the answer

Answer 3

nvm pretty sure its who because it would one make sense if it was "To whom are you speaking?"

Answer 4

only

Answer 5

#2 is whom #1 is who