Having trouble accessing both Data (ucom0) and Voice (ucom1) in one composite device: '/dev/cuaU0' - USB 3G modem.

Is it possible to use the same /dev/cuaU* device for accessing both ucom0, ucom1, ucom* to have voice and data functions available in the modem simultaneously?

Needed functionality seems to be integrated into FreeBSD by using 'u3g' kernel mode driver which provides access to a modem 'ucom*' ports by accessing to: /dev/cuaU0.1 and /dev/cuaU0.2
How to the same functionality can be performed in OpenBSD?

Some ideas will be helpful.

Denis

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