Fax Voip T.38 Console 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 G.711 Fax over IP
  • Auto Fall back to G.711 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 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. Sending a fax from any Windows application
  • Cover Pages support. Sender Information. Standard templates (Confidential, FYI, Generic, Urgent). Creating personal templates
  • Direct Document to Fax Converting. Supported formats: PDF, TIFF, SFF, QFX, BMP, JPEG, GIF, PNG, ICO, WMF (EMF)
  • Sending audio messages
  • Fax Voip T.38 Console Send Audio Message Wizard
  • Sending a fax or audio message to multiple recipients. Loading a list of faxes (phone numbers) from txt file
  • SendFax.exe command line utility. Sending a fax to one or more recipients. Support for multiple documents, cover pages, e-mail delivery receipts. Configuring and running SendFax.exe using the Fax Voip T.38 Console Control Panel
  • SendAudio.exe command line utility. Sending audio message to one or more recipients, e-mail delivery receipts support. Configuring and running SendAudio.exe using the Fax Voip T.38 Console Control Panel
  • Fax Voip T.38 Console Console. Ribbon user interface
  • Scheduled fax or audio message sending, Delivery Notification via e-mail
  • Retrying and restarting of failed faxes and audio messages, pause and resume fax or audio message jobs
  • Viewing current status of outgoing and incoming faxes and audio messages in the Fax Voip T.38 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

Incoming Fax Routing Methods

  • Route through e-mail Incoming Routing Method. E-mail Templates. Customizable attachment filename templates
  • Store in a folder Incoming Routing Method. Customizable filename templates
  • Print Incoming Routing Method
  • Custom routing for incoming faxes
  • Fax-On-Demand

Outgoing Routing Methods

  • E-mail Delivery Receipts Outgoing Routing Method. E-mail Templates. Customizable attachment filename templates
  • Store in a folder Outgoing Routing Method. Customizable filename templates
  • Print Outgoing Fax Routing Method
  • Custom routing for outgoing faxes and audio messages

 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, Forcible SIP Registration
  • 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

 E-mail support: Mail to Fax (Mail to Audio), Fax to Mail, Delivery Receipts

  • Mail to Fax (Mail to Audio). Multiple e-mail attachments, Cover Pages, Sender Information
  • Mail to Fax (Mail to Audio) Rules. Overriding depending on e-mail address: Dialing Rules, Delivery Receipts, E-mail Attachments, Cover Pages, Sender Information, E-mail Templates, Fax Mode. Blocking unwanted e-mail addresses
  • Configuring Mail to Fax (Mail to Audio) service to be started under regular user account instead of local system account
  • Fax to Mail (Route through e-mail Incoming Fax Routing Method). E-mail Templates. Customizable attachment filename templates
  • Delivery Receipts via e-mail (E-mail Delivery Receipts Outgoing Routing Method). E-mail Templates. Customizable attachment filename template
  • Customizable E-mail Templates. Customizable date and time formats
  • SMTP support. OAuth 2.0 Modern Authentication support. SecureSmtpClient, CDO.Message, System.Net.Mail. Implicit SSL, Explicit SSL (STARTTLS). TLS version 1.2 support. UTF-8 encoding
  • Sending digitally signed e-mail messages. Clear signing. Opaque signing
  • POP3/IMAP support. OAuth 2.0 Modern Authentication support. SSL support. TLS version 1.2 support
  • Ignoring invalid e-mail server SSL certificate


  • Fax Voip T.38 Console Control Panel. Ribbon user interface
  • Fax Voip T.38 Console Manager
  • Possibility to run as Windows Service
  • Repair ‘printto’ verbs function. Supported formats: TXT, BMP, DIB, EMF, GIF, ICO, JFIF, JPE, JPEG, JPG, JXR, PNG, RLE, TIF, TIFF, WDP, WMF
  • Multi-Language support. Simple mechanism for translation into any language
  • Address Book (Windows Contacts) support
  • Checking for new versions of the program
  • Fax Voip T.38 Console Backup or Restore Wizard
  • Selective saving the configuration and user data when you reinstall the program
  • Unicode support
  • Full compatibility with operating system Visual Styles

System Requirement

Platforms supported* 

  • Windows 11
  • Windows 10, Windows 10 64-bit
  • Windows Server 2022, Windows Server 2019, Windows Server 2016
  • Windows 8.1, Windows 8.1 64-bit, Windows Server 2012 R2 **
  • Windows 8, Windows 8 64-bit, Windows Server 2012 **
  • Windows 7, Windows 7 64-bit, Windows Server 2008 R2 **
  • Intel-compatible PC with 32-bit or 64-bit (x64) processor.
  • Microsoft.NET Framework 4.5 or later

* FaxVoip Software does not guarantee the correct operation of the program when you install software on Virtual Machine of any type. In the case of specific problems in such installations, technical support is not provided.

** Limited support. Some features may not work or work incorrectly. Windows 7 and Windows 8/8.1 are no longer supported by Microsoft.

Additional system requirements 

 Recommended VoIP service providers 

 SIP PBX Software compatibility 

 H.323 Software compatibility 

 Network requirements 

  • Network connection from the local computer to the SIP or H.323 server