yes.. I am networking 3 locations locally with a 4th one out of state. the people that i am workig for are requesting the VoIP. We need to be able to transfer calls between locations, intercom between locations, have our security cameras broadcast from all locations to one central location. Is there a different way to go about doing this? We are proposals for systems that tie into our computers and systems that dont... i just dont what makes one better than another...