mmcli

Control and monitor the ModemManager. More information: https://www.freedesktop.org/software/ModemManager/man/latest/mmcli.1.html.

mmcli --list-modems

mmcli --modem=modem

mmcli --modem=modem --enable

sudo mmcli --modem=modem --messaging-list-sms

sudo mmcli --modem=modem --messaging-delete-sms=path/to/message_file