User only call-back

Hello,
I have configured user only call back. I am facing an issue, where the call-back is landing to different user not the user who created the call back.
can any help hot to make sure call-backs are triggered to user who created it.
This is my setting

I have configured user only call back. I am facing an issue, where the call-back is landing to different user not the user who created the call back.
can any help hot to make sure call-backs are triggered to user who created it.
This is my setting
