05a6:0004 — CVA122E Cable Voice Adapter (WDM)
Cisco Systems, Inc.
- Vendor ID
- 05a6
- Product ID
- 0004
- Combined
- 05a6:0004
- Decimal
- 1446:4
What is this device?
This is the USB identifier for a CVA122E Cable Voice Adapter (WDM) manufactured by Cisco Systems, Inc.. The vendor ID 05a6 is registered to Cisco Systems, Inc. with the USB Implementers Forum, and 0004 is the product ID that Cisco Systems, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 05a6:0004 Cisco Systems, Inc. CVA122E Cable Voice Adapter (WDM).
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 05a6:0004 Cisco Systems, Inc. CVA122E Cable Voice Adapter (WDM)
You can filter directly with lsusb -d 05a6:0004, or get the full descriptor dump with lsusb -v -d 05a6:0004. Kernel messages from dmesg show the same pair as idVendor=05a6, idProduct=0004.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_05A6&PID_0004 USB\VID_05A6&PID_0004&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_05A6&PID_0004"
macOS
$ system_profiler SPUSBDataType
CVA122E Cable Voice Adapter (WDM):
Product ID: 0x0004
Vendor ID: 0x05a6 (Cisco Systems, Inc.)Driver help
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.
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
05a6 Cisco Systems, Inc. 0004 CVA122E Cable Voice Adapter (WDM)