С новым MessageContent="5553424312345678000000000000001106 2000000100000000000000000000" появился правильный id=1506, но модемных портов не появилось:
usbconfig show_ifdrv
ugen0.1: <UHCI root HUB Intel> at usbus0, cfg=0 md=HOST spd=FULL (12Mbps) pwr=ON
ugen0.1.0: uhub0: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1>
ugen1.1: <UHCI root HUB Intel> at usbus1, cfg=0 md=HOST spd=FULL (12Mbps) pwr=ON
ugen1.1.0: uhub1: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1>
ugen2.1: <UHCI root HUB Intel> at usbus2, cfg=0 md=HOST spd=FULL (12Mbps) pwr=ON
ugen2.1.0: uhub2: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1>
ugen3.1: <UHCI root HUB Intel> at usbus3, cfg=0 md=HOST spd=FULL (12Mbps) pwr=ON
ugen3.1.0: uhub3: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1>
ugen4.1: <EHCI root HUB Intel> at usbus4, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=ON
ugen4.1.0: uhub4: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1>
ugen4.3: <Modem Yota GCT SEMICONDUCTOR Inc> at usbus4, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=ON
ugen4.3.0: cdce0: <GCT SEMICONDUCTOR Inc Modem Yota, class 2/0, rev 2.00/1.00, addr 3>
ugen4.2: <HUAWEI Mobile HUAWEI Technology> at usbus4, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=ON
ugen4.2.2: umass0: <HUAWEI Technology HUAWEI Mobile, class 0/0, rev 2.00/1.02, addr 2>
ugen4.2.3: umass1: <HUAWEI Technology HUAWEI Mobile, class 0/0, rev 2.00/1.02, addr 2>
Да изначально я делал AT^SETPORT="A1;1,2", спросил на всяк случай