Is it possible retrieve a NOT saved call?

[fxaskcom fxaskcom]

Hi, i have activated the saving confirmation at the end of a call. Unfortunely I clicked NO for a very important call... so it's has been not saved. it happened few mins ago. Is there a way to retrieve and save it ?!?! many tks in advance

[copluk]

I'm afraid not within ACR. ACR asks OS to delete file. You might have change if you try file recover tools by connecting your phone to a pc