I got problem what is I can not delete voicemail from web interface, so I checked in following
I fixed the problem that is I changed owner root to asterisk
drwxr-xr-x 4 root root 4096 Apr 23 23:25 4415004
drwxr-xr-x 4 asterisk asterisk 4096 Apr 23 23:25 4415004
I got it but , I got same problem again when I created New an extension
drwxr-xr-x 4 root root 4096 Apr 23 23:25 4415005
How to fix auto change owner root to asterisk when I created extensions?