-- Executing VoiceMail("Zap/1-1", "u572@default") in new stack
    -- Playing '/var/spool/asterisk/voicemail/default/572/unavail' (language 'en')
    -- Playing 'vm-intro' (language 'en')
Sep 13 11:45:40 WARNING[25019]: app.c:1171 ast_lock_path: Failed to lock path '/var/spool/asterisk/voicemail/default/572/INBOX': File exists
    -- Playing 'beep' (language 'en')
    -- Channel 0/1, span 1 got hangup request
    -- Recording the message
    -- x=0, open writing:  /var/spool/asterisk/voicemail/default/572/tmp/mKbflZ format: wav49, 0x9f579f8
    -- x=1, open writing:  /var/spool/asterisk/voicemail/default/572/tmp/mKbflZ format: gsm, 0x9f59470
    -- x=2, open writing:  /var/spool/asterisk/voicemail/default/572/tmp/mKbflZ format: wav, 0x9f76218
    -- User hung up
    -- Channel 0/1, span 1 got hangup
Sep 13 11:45:45 WARNING[25019]: app.c:1171 ast_lock_path: Failed to lock path '/var/spool/asterisk/voicemail/default/572/INBOX': File exists
Sep 13 11:45:45 ERROR[25019]: app_voicemail.c:2613 leave_voicemail: Couldn't lock directory /var/spool/asterisk/voicemail/default/572/INBOX.  Voicemail will be lost.
    -- Hungup 'Zap/1-1'




[root@pbx ~]# ls -al /var/spool/asterisk/voicemail/default/572/INBOX
total 8
drwx------  2 root root 4096 Sep 13 11:45 .
drwx------  4 root root 4096 Aug 29 09:23 ..
-rw-------  1 root root    0 Sep 12 11:21 .lock
-rw-------  1 root root    0 Sep 12 11:23 .lock-0195e5d2
-rw-------  1 root root    0 Sep 13 11:45 .lock-09e5a5e4
-rw-------  1 root root    0 Sep 12 11:23 .lock-17145f78
-rw-------  1 root root    0 Sep 13 11:45 .lock-4005e9a8