Virtual COM Ports (modems)

• Up to 100 Virtual COM Ports (modems) to connect to standard fax program directly or via TAPI
• Digitally signed Virtual COM port driver that is fully compatible with 64-bit versions of Windows 8, Windows 7, Vista,  Windows Server 2012 and Windows Server 2008/2008 R2 *
  FaxVoip Modem 14400 bps Voice-Fax driver for modems
• Support for 3^rd party Virtual COM Ports drivers
• Simplified procedure of installing Virtual COM Ports and modems
• Fax Class 1, UTI-T V.27ter/V.29/V.17, T.30 Fax Group 3 up to 14.400 Bauds
• Error Correction Mode (ECM)
• T.38 Real-time Fax over IP, T.38 UDPTL Redundancy, Force T.38 mode
• Real-time Audio G711 Fax over IP
• Auto Fall back to G711 Fax mode if T.38 not available
• Real-time Audio Fax over ISDN CAPI 2.0 *
• Color Faxes over VOIP
• Fax-On-Demand
• Voice Modem support (UTI-T V.253 Conexant/Rockwell, audio formats: PCM, ALAW, ULAW)
• Voice Answering Machine support
• Voice Greeting before sending or receiving fax
• Remote Access to Voice and Fax Mailbox (DTMF)
• Listening to a telephone line through computer speakers
• Dialing a Phone Number Extension (DTMF)
• Caller ID Number, Caller ID Name (direct COM-port connection and via TAPI)

Fax Voip built-in VOIP/ISDN * Fax Lines

• T.30 Fax Group 3 up to 14.400 Bauds
• Error Correction Mode (ECM)
• T.38 Real-time Fax over IP, T.38 UDPTL Redundancy, Force T.38 mode
• Real-time Audio G711 Fax over IP
• Auto Fall back to G711 Fax mode if T.38 not available
• CAPI Fax. B3 Protocol 4: T.30 for Group 3 fax and B3 Protocol 5: T.30 for Group 3 fax extended*
• Real-time Audio Fax over ISDN CAPI 2.0 *
• Fax Station ID, Fax Header
• Separate ECM/Bitrate settings for outgoing/incoming, T.38/audio and modem/built-in faxes
• CAPI fax: possibility to select B3 Protocol, Maximum Bitrate, disable ECM and enable High Resolution. Separated settings for outgouing and incoming CAPI faxes *
• Receiving faxes directly into TIFF, PDF or SFF* files
• Unlimited number of incoming fax sessions
• Fax Voip Virtual Printer
• Direct Document to Fax Converting. Supported formats: PDF, TIFF, SFF*, QFX, BMP, JPEG, GIF, PNG, ICO, WMF (EMF)
• Sending a fax to multiple fax recipients. Loading a list of faxes from txt file
• Sendfax.exe command line utility
• Fax Voip Console
• Scheduled fax sending, Delivery Notification via e-mail
• Retrying and restarting of failed faxes, pause and resume fax jobs
• Viewing current status of outgoing and incoming faxes in the Fax Voip Console
• Saving faxes in different graphic formats: TIFF, PDF, SFF*, BMP, JPEG, GIF, PNG, PCX.
• Possibility to split faxes into pages when saving. Possibility to save only selected pages.
• Route through e-mail Incoming Routing Method
• Store in a folder Incoming Routing Method
• Print Incoming Routing Method
• Fax-On-Demand

SIP/H.323/ ISDN CAPI 2.0 * support

• SIP over UDP, SIP over TCP and SIP over TLS support
• SIP Outbound Proxy
• Multiple SIP Registrations, Authentication Name, Domain/Realm, SIP Contact URL, Expires Header
• Direct SIP Call Routing
• Possibility to change SIP User Agent
• H.323 support, Fast Start, H.245 Tunneling, Telephone numbers list
• Registration with H.323 Gatekeeper, Search for GK, Time to Live
• H.235 MD5 GK Authentication
• Direct H.323 Call Routing
• ISDN CAPI 2.0 support *
• Direct ISDN CAPI 2.0 Call Routing*
  Possibility to select ISDN Controller # and B-channel # for outgoing ISDN CAPI 2.0 calls *
• Tel URI Scheme support (with SIP only)
• VOIP audio formats: G.711-uLaw-64k, G.711-ALaw-64k, G.723.1, G.726-32k, GSM-06.10, iLBC, SpeexNB, SpeexWB
• CAPI 2.0 audio formats: CCITT G.711 A-law, CCITT G.711 u-law *
• Dummy G.729 codec for compatibility with T.38 only
• STUN server support
• Outgoing and Incoming VOIP Call Routing
• Overriding parameters via Call Routing: Username (Caller ID Number), Display Name (Caller ID Name), MaxBitrate, ECM, T38 UDPTL Redundancy, Fax Station ID, Fax Headline, Codecs

Mail to Fax and Fax to Mail

• Fully-functional Mail to Fax and Fax to Mail system based on Microsoft Fax Service
• Fully-functional Mail to Fax and Fax to Mail system based on built-in VOIP/ISDN * Fax Lines
• Sending Emails via CDO, support for SSL

Other

• Fax Voip FaxModem Control Panel
• Possibility to run as Windows Service
• Creating simple and complex (to large number of recipients) Microsoft Fax Service fax jobs using Fax Voip Virtual Printer *
• Checking for new versions of the program
• Full compatibility with XP/Vista Visual Styles

* Features added in version 6.1.1 - 6.3.1