Developer's DescriptionBy FaxBackConnect "Microsoft Fax" and "Windows Fax and Scan" to a VoIP system that supports SIP T.38.Are you using Microsoft Windows? Do you use VoIP? Now you can send and receive faxes using FaxBack's free SIP T.38 VoIP fax plug-in. FaxBack's Free VoIP Plug-in for Microsoft Fax enables Windows Fax and Scan to transmit faxes using the SIP T.38 fax protocol instead of a fax modem. This easy-to-install plug-in installs on individual computers/workstations and can then be configured to connect with:Premise-based VoIP media gateway or IP-PBX supporting SIP T.38 ; Directly with a VoIP provider that supports SIP T.38; Directly with a VoIP provider that supports FaxBack's HTTPS Fax Platform To determine SIP T.38 compatibility, refer to your VoIP service provider or VoIP media gateway and IP-PBX vendor. Each workstation must have Windows Fax and Scan installed.