/usr/bin/text2wave /usr/java/tomcat/asterisk/audio/600-1166043573295-alert_message.txt -F 8000 -o /usr/java/tomcat/asterisk/audio/600-1166043573295-alert_message.wav 


/usr/bin/sox /usr/java/tomcat/asterisk/audio/600-1166043573295-alert_message.wav /usr/java/tomcat/asterisk/audio/600-1166043573295-alert_message.gsm