- Are you using Microsoft Windows? - Do you have VoIP? Send and receive faxes with FREE SIP T.38 Plug-in! DOWNLOAD NOW: http://www.faxback.com/msfaxplugin/index.aspx?source=PADfile This FREE plug-in enables Microsoft Fax and Windows Fax & Scan, which are built right into business versions of Windows, to send and receive faxes via SIP T.38 using your current VoIP infrastructure without any further cost. Offering you a simple desktop fax solution, with easy print-to-fax capabilities. This VoIP plug-in will work with VoIP media gateways, IP-PBX?s, VoIP service providers or any other VoIP system that supports SIP T.38 fax connections. FaxBack also has a VoIP Plug-in version to enable Microsoft Small Business Server (SBS). Please contact FaxBack.com to obtain a trialware version for Microsoft SBS and get further details. VoIP vendors are welcome to partner with FaxBack to promote and distribute this FREE VoIP Plug-in to their customer base thereby adding value to their current VoIP offerings and leveraging further VoIP business. Contact FaxBack regarding partner opportunities. Microsoft Fax is included with Windows 7, Vista and XP - Simple to install FREE SIP T.38 Plug-in - Solution available for Microsoft Small Business Server (SBS) System Requirements - Windows: 7, Vista, and XP with ?Microsoft Fax? - the fax software included in business editions of Windows. - SIP T.38 compatible VoIP gateway - IP-PBX - VoIP service provider