US Robotics Modem / ISDN Drivers Download

by US Robotics Corporation

Free US Robotics Drivers Download

After you upgrade your computer to Windows 10, if your US Robotics Modem / ISDN Drivers are not working, you can fix the problem by updating the drivers. It is possible that your Modem / ISDN driver is not compatible with the newer version of Windows.

How to Update Device Drivers

There are two ways to update drivers.

Option 1 (Recommended): Update drivers automatically - Novice computer users can update drivers using trusted software in just a few mouse clicks. Automatic driver updates are fast, efficient and elimate all the guesswork. Your old drivers can even be backed up and restored in case any problems occur.


Option 2: Update drivers manually - Find the correct driver for your Modem / ISDN and operating system, then install it by following the step by step instructions below. You’ll need some computer skills to use this method.

Option 1: Update drivers automatically

The Driver Update Utility for US Robotics devices is intelligent software which automatically recognizes your computer’s operating system and Modem / ISDN model and finds the most up-to-date drivers for it. There is no risk of installing the wrong driver. The Driver Update Utility downloads and installs your drivers quickly and easily.

You can scan for driver updates automatically with the FREE version of the Driver Update Utility for US Robotics, and complete all necessary driver updates using the premium version.

Tech Tip: The Driver Update Utility for US Robotics will back up your current drivers for you. If you encounter any problems while updating your drivers, you can use this feature to restore your previous drivers and configuration settings.

  1. Download the Driver Update Utility for US Robotics.

  2. Double-click on the program to run it. It will then scan your computer and identify any problem drivers. You will see a results page similar to the one below:
    US Robotics Modem / ISDN Driver Update Utility

  3. Click the Update Driver button next to your driver. The correct version will be downloaded and installed automatically. Or, you can click the Update Drivers button at the bottom to automatically download and install the correct version of all the drivers that are missing or out-of-date on your system.

Option 2: Update drivers manually

To find the latest driver, including Windows 10 drivers, choose from our list of most popular US Robotics Modem / ISDN downloads or search our driver archive for the driver that fits your specific Modem / ISDN model and your PC’s operating system.

Find US Robotics Modem / ISDN Device Drivers by Model Name or Number

If you cannot find the right driver for your device, you can request the driver. We will find it for you. Or, try the automatic option instead.

Tech Tip: If you are having trouble finding the right driver update, use the US Robotics Modem / ISDN Driver Update Utility. It is software which finds, downloads and istalls the correct driver for you - automatically.

After downloading your driver update, you will need to install it. Driver updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow. Visit our Driver Support Page to watch helpful step-by-step videos on how to install drivers based on their file extension.

How to Install Drivers

After you have found the right driver, follow these simple instructions to install it.

  1. Power off your device.
  2. Disconnect the device from your computer.
  3. Reconnect the device and power it on.
  4. Double click the driver download to extract it.
  5. If a language option is given, select your language.
  6. Follow the directions on the installation program screen.
  7. Reboot your computer.

Driver Updates for Popular US Robotics Modem / ISDN Models

Model Rating Filename Size Total
US Robotics Modem / ISDN Driver Update Utility
dfsetup.exe269 KB149,480 Free Download >>
US Robotics USR5639 Driver
US_Robotics_US... ver.zip1.1 MB68,878 Free Download >>
U.S. Robotics Sportster Voice Serial Wave Device Driver n/aUsrwave.zip1.5 KB328 Free Download >>
Megahertz CC-XJ1336 Fax-Modem Driver
XJ1336.ZIP539.0 KB510 Free Download >>
U.S. Robotics 56000 Fax Internal PNP Driver
USRWinm.zip45.6 KB2,124 Free Download >>
0637 Driver
USRoboticsFAX56k.inf49.4 KB7,554 Free Download >>
Sportster 33600 Fax PC Driver
CJE-0374_INFs.zip11.8 KB11,762 Free Download >>
Courier I-Modem (V.90&x2) EXT Driver
mdmusr.exe91.9 KB10,927 Free Download >>
I-Modem EXT (TurboPPP DBA Profile) Driver
usRobotics.zip87.5 KB11,011 Free Download >>
0701 Driver5686 Driver
00568603.inf62.4 KB8,038 Free Download >>
U.S. Robotics 56K Voice Win Driver
usr0637.zip33.9 MB37,121 Free Download >>
0766 Driver
3595-OEM.zip5.2 MB16,802 Free Download >>
U.S. Robotics 56K Win INT Driver
Usr0766.zip661.6 KB5,129 Free Download >>
74691074 - U.S. Robotics Voice Win Driver
7504762.exe563.2 KB2,081 Free Download >>
U.S. Robotics 56K Win INT Driver
297581.exe619.5 KB9,864 Free Download >>
U.S. Robotics 56K FAX Win INT Driver
3CP5699A_9x.exe830.6 KB4,899 Free Download >>
U.S. Robotics 56K Voice Win Driver
7504765.exe1.1 MB468 Free Download >>
Unimodem Half Duplex Wave Device Driver
Usr3594.zip938.6 KB1,355 Free Download >>
U.S. Robotics 56K Voice INT Driver n/a661749_9x.zip502.6 KB1,975 Free Download >>
Generic PCI Modem Enumerator Driver
USRoboticsGate... dem.zip1.5 MB14,088 Free Download >>
637 Driver
USR0637.zip398.4 KB3,820 Free Download >>
U.S. Robotics 56K Win INT Driver
3595a-nt.zip1.8 MB546 Free Download >>
Courier V.Everything INT PnP (V.90&x2) Driver
usr04609xXP.zip91.9 KB7,699 Free Download >>
44704 Driver n/aSetup.exe44.7 KB110 Free Download >>
Sportster Winmodem 33.6 Driver
Winmodem.zip595.9 KB1,234 Free Download >>
U.S. Robotics 56K Win INT Driver
568303w.exe370.1 KB4,298 Free Download >>
Courier V.Everything INT PnP (V.90&x2) Driver
USR56k.zip1.1 MB2,261 Free Download >>
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