Depending on your selection of the Virtual COM Port Driver to be used with Fax Voip T.38 Modem lines, the information displayed and features will vary.

Fax Voip Driver for Virtual COM ports

Use Fax Voip COM Ports Driver

When this option selected, Fax Voip T.38 Modem operates via Fax Voip Virtual COM Ports.

Use 3 rd Party COM Ports Driver

When this option selected, Fax Voip T.38 Modem operates via 3 rd party Virtual COM Ports. For example, Eltima Virtual Serial Port Driver or Eterlogic.com Virtual Serial Ports Emulator can be used.

 <Add/Remove>

Use this button to Add/Remove Fax Voip T.38 Modem lines based on the Fax Voip Virtual COM Ports Driver. To change Virtual COM Ports configuration, administrator privileges are required.

 <Modems>

Use this button to view, add or remove modems, attached to Fax Voip Virtual COM Ports. Fax Voip T.38 Modem installs Fax Voip 14.4K TAPI Voice-Fax Modem driver for modems. Compared with the standard modem driver, this driver provides support for Caller ID Number and Caller ID Name. Voice Commands are supported by the Fax Voip modem driver via TAPI and not only in the passthrough mode. To add modems using Phone and Modems option in the Windows Control Panel not recommended. To change modems configuration, administrator privileges are required.

Number of lines

In this field you can see the number of Fax Voip Virtual COM Ports, installed in your system.

3 rd party Driver for Virtual COM ports

As an alternative, is allowed to use Virtual COM Ports drivers developed by other manufacturers. The Select COM ports connected to Fax Voip modems directly panel shows all the COM ports available on your system (both physical and virtual). Fax Voip T.38 Modem does not impose any restrictions on the use of third-party Virtual COM Port drivers. Thus it is impossible to know programmatically whether the port is virtual or physical and which ports are virtual pair. The exceptions are the Fax Voip Virtual COM Ports created by the native Fax Voip driver. Fax Voip Virtual COM Ports are not shown in this panel in the Use 3rd Party Drivers for Virtual COM Ports mode. You should be extremely careful during ports selection.

Use Fax Voip COM Ports Driver

When this option selected, Fax Voip T.38 Modem operates via Fax Voip Virtual COM Ports.

Use 3 rd Party COM Ports Driver

When this option selected, Fax Voip T.38 Modem operates via 3 rd party Virtual COM Ports. For example, Eltima Virtual Serial Port Driver or Eterlogic.com Virtual Serial Ports Emulator can be used.

 <Modems>

Use this button to view, add or remove modems. Fax Voip T.38 Modem installs Fax Voip 14.4K TAPI Voice-Fax Modem driver for modems. Compared with the standard modem driver, this driver provides support for Caller ID Number and Caller ID Name. Voice Commands are supported by the Fax Voip modem driver via TAPI and not only in the passthrough mode. To add modems using Phone and Modems option in the Windows Control Panel not recommended. To change modems configuration, administrator privileges are required.

Number of lines

In this field you can see the Number of selected 3 rd party Virtual COM Ports, specified to operate with Fax Voip T.38 Modem.

Notes

• Real number of Virtual COM Ports (modems), that you can use, depends on your current license. In trial mode you can use only the first two ports.
• Fax Voip T.38 Modem comes with its own digitally signed Virtual COM port driver that is fully compatible with 64-bit versions of Windows. The possibility to use third-party drivers currently not removed, but usually there is no real need to use this feature.
• Possibility to operate with third-party Virtual COM Port drivers depends on the compatibility of third-party software with the operating system that you use. Examples of usage are discussed in details in the Using Fax Voip T.38 Modem with 3-rd party Virtual COM Port Soft chapter of this guide.