Andy, with this new kernel of yours, it looks good.
[ 234.516117] usb 1-1: new full speed USB device using uhci_hcd and address 2
[ 237.137279] usb 1-1: configuration #1 chosen from 2 choices
[ 237.287133] cdc_acm 1-1:1.0: ttyACM0: USB ACM device
[ 237.289785] usbcore: registered new interface driver cdc_acm
[ 237.290178] cdc_acm: v0.26:USB Abstract Control Model driver for USB modems and ISDN adapters
and /dev/ttyACM0 is present
and doing the following makes it go offhook and dial
echo ATDTnnnnnnnn /dev/ttyACM0
Andy, with this new kernel of yours, it looks good.
[ 234.516117] usb 1-1: new full speed USB device using uhci_hcd and address 2
[ 237.137279] usb 1-1: configuration #1 chosen from 2 choices
[ 237.287133] cdc_acm 1-1:1.0: ttyACM0: USB ACM device
[ 237.289785] usbcore: registered new interface driver cdc_acm
[ 237.290178] cdc_acm: v0.26:USB Abstract Control Model driver for USB modems and ISDN adapters
and /dev/ttyACM0 is present
and doing the following makes it go offhook and dial
echo ATDTnnnnnnnn /dev/ttyACM0
thanks!