Fax and Answering Machine for your SIP/H.323/ISDN CAPI 2.0 line. Voice Fax Modem for your Fax & Voice software. Multiple SIP Registrations. Call Routing. Mail to Fax. Incoming and Outgoing Fax Routing: E-mail, Store in Folder, Print, Custom Routing. From the perspective of your fax or voice application, it is a Voice Fax Modem. Fax Voip T.38 Modem installs Virtual COM Ports and virtual 'Fax Voip 14.4K TAPI Voice-Fax Modems' onto your system. You can setup your Fax & Voice program to operate with Fax Voip COM ports or virtual modems. From the perspective of your VoIP internet network, its a SIP/H.323 client with T.38 and G.711 Fax support. From the perspective of your ISDN line, its CAPI 2.0 client with audio fax support. With Fax Voip T.38 Modem you can send and receive T.38 and audio (color and black-and-white) faxes and voice messages without any hardware, using your favourite Fax & Voice program. Fax Voip T.38 Modem is the ideal solution for the implementation of Fax and Voice Mailbox into SIP, H.323 or ISDN network. You can use Fax Voip T.38 Modem with your VoIP or ISDN-based PBX or with your SIP/H.323/ISDN Provider. Fax Voip T.38 Modem can also support from 1 to 100 virtual lines simultaneously. Multiple SIP Registrations and Call Routing functions make your system the most flexible and allow you to work with different SIP and H.323 providers simultaneously. Caller ID and Dial a Phone Number Extension features are supported. Fax Voip T.38 Modem allows to send faxes and audio messages via e-mail (Mail to Fax and Mail to Audio) and receive faxes to e-mail (Fax to Mail). Incoming and Outgoing Routing Methods (E-mail, Store in a folder, Print, Custom) allow you to route faxes to recipients on the network. Fax Voip T.38 Modem has been successfully tested with Microsoft Fax, BVRP Classic Phone Tools 9, FaxTalk Messenger Pro, CallStation and many other programs. Fax Voip T.38 Modem has been successfully tested with many VoIP service providers.