>From a friend i got a Philips VOIP433 cordless (DECT) phone. The base
station of the phone can be connected to a PC using USB. It is intended
to be used with the "Windows Live Messenger" service to allow making
VoIP calls from the cordless handset.
Now the device seems to be something called a "composite USB device".
When it is plugged in using Windows, a builtin driver for such composite
devices is used and then Windows sees two more devices: one standard USB
audio device and one standard USB HID device. Both the audio device and
the HID device share the same USB ID (and the composite device too), but
are otherwise pretty standard and do not need a special driver. It seems
that the linux USB stack cannot handle such composite devices yet. When
plugged in under linux, only a HID device is found (but can't be used).
The USB audio device is missing.
So whats the status of support for such composite devices in linux? If
someone is willing to take a shot on this problem, i'm willing to run
code or development drivers supplied to me. I would love to see the
device support, as i'm sure that it can be made working without using
this "windows live" nonsense as after all it seems to use HID to
transmit dialing information to the PC and Audio for the telephony.
Regards
Michael
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