When did you get my phone but don’t get your call?

He did not receive my call or he did not attend my call are two appropriate ways to say what you wanted to say, while He missed my call will mean he could not answer it for some reasons.

First, as everyone said, from Merriam-Webster dictionary:

finale noun f-na-l, fi-nu00e4- : the final part of something (such as a : the last section
of an instrumental musical composition b : the closing part, scene,
or number in a public performance d : the last
and often climactic event or item in a sequence From definition (c),
it becomes totally appropriate for a situation like

From Google books, here are some examples other than a musical event:

1. Dutch: The Finale
2. Revelation: God’s Grand Finale
3. The Tragic Finale: An Essay on the Philosophy of Jean-Paul Sartre
4. Life’s Finale: Voluntary Exit