== CDR updated on Zap/1-1
    -- Executing VoiceMail("Zap/1-1", "1") in new stack
    -- Playing 'vm-intro' (language 'en')
    -- Playing 'beep' (language 'en')
    -- Recording the message
Oct 22 12:27:56 WARNING[6469]: format_wav_gsm.c:265 write_header: Unable to write header
Oct 22 12:27:56 WARNING[6469]: file.c:911 ast_writefile: Unable to rewrite /var/spool/asterisk/voicemail/default/1/INBOX/msg0000.WAV
    -- x=0, open writing:  /var/spool/asterisk/voicemail/default/1/INBOX/msg0000 format: wav49, (nil)
Oct 22 12:27:56 WARNING[6469]: app.c:706 ast_play_and_record: Error creating writestream '/var/spool/asterisk/voicemail/default/1/INBOX/msg0000', format 'wav49'
    -- Recording was 0 seconds long but needs to be at least 6 - abandoning
    -- Executing Playback("Zap/1-1", "vm-goodbye") in new stack