I can't confirm what I'm saying now, but some modem like external USB one's have nothing to do with alsa.. so they won't work at all. Also, I don't know if alsa support AMR modems.
I can't confirm what I'm saying now, but some modem like external USB one's have nothing to do with alsa.. so they won't work at all. Also, I don't know if alsa support AMR modems.