asterisk users - Apr 2005 - Distributed services such as voicemail using Asterisk

Hi,

Is it possible to distribute services used by Asterisk onto several 
boxes - similar to Pingtel (Pingtel is not an option for me since I need 
to tie analog phones into the system). The main service I want to 
distribute is the voice mail. I know that Mysql (have not tried 
PostGreSQL yet) can be used for voice mail and configuration files but 
can the MySQL server be on another server???

Thanks