Hello, I have a clone of the old GPL'd Digium T400P 4-Port T1 cards available on e-Bay: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=9729270297&rd=1&sspagename=STRK%3AMESE%3AIT&rd=1 Please contact me via e-mail if you have questions: jeremy at captainstupid dot net. Thanks, Jeremy Jones