I don't see why you couldn't use asterisk in a setup that large. It would require a number of servers, and SER to handle the registrations, and call routing and use asterisk for what its good at, ivr/vm. -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20080515/14aa3e2b/attachment.htm