09bf:00f1 — COMfort 2000 (System telephone)

This is the USB identifier for a COMfort 2000 (System telephone) manufactured by Auerswald GmbH & Co. KG. The vendor ID 09bf is registered to Auerswald GmbH & Co. KG with the USB Implementers Forum, and 00f1 is the product ID that Auerswald GmbH & Co. KG assigned to this particular model. When you run lsusb on Linux, this device appears as 09bf:00f1 Auerswald GmbH & Co. KG COMfort 2000 (System telephone).

Linux

$ lsusb
Bus 001 Device 004: ID 09bf:00f1 Auerswald GmbH & Co. KG COMfort 2000 (System telephone)

You can filter directly with lsusb -d 09bf:00f1, or get the full descriptor dump with lsusb -v -d 09bf:00f1. Kernel messages from dmesg show the same pair as idVendor=09bf, idProduct=00f1.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_09BF&PID_00F1
USB\VID_09BF&PID_00F1&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_09BF&PID_00F1"

macOS

$ system_profiler SPUSBDataType
    COMfort 2000 (System telephone):
      Product ID: 0x00f1
      Vendor ID: 0x09bf  (Auerswald GmbH & Co. KG)

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.

The exact lines this page is generated from, in the upstream source file:

09bf  Auerswald GmbH & Co. KG
	00f1  COMfort 2000 (System telephone)

• 09bf:00dd COMpact 2204 (PBX)
• 09bf:00de COMpact 2104 (Rev.2 PBX)
• 09bf:00e0 COMmander Business (PBX)
• 09bf:00e2 COMmander Basic.2 (PBX)
• 09bf:00f2 COMfort 1200 (System telephone)
• 09bf:00f5 COMfortel 2500 (System telephone)
• 09bf:8000 COMpact 2104 DSL (DSL modem)
• 09bf:8001 COMpact 4406 DSL (DSL modem)

See all 14 devices from Auerswald GmbH & Co. KG →