What phones do you use?
How do you get started?
Do you use Linux?
How can I test asterisk on Vista?
Such open questions are rare to get answered.
But, download Asterisk, The Future of Telephony
[asteriskdocs.org/modules/tin ... .php?id=11](http://www.asteriskdocs.org/modules/tinycontent/index.php?id=11)
The following should be bookmarked and read.
[voip-info.org/wiki/index.php?page=Asterisk](http://voip-info.org/wiki/index.php?page=Asterisk)