gsmsendsms(8) on Linux
The text 61ef21b4f3e9, as Debian 12 (Bookworm) shipped it.
SMS message sender utility
Flags it lists
-
--baudrate -
--concatenate -
--device -
--help -
--requeststat -
--test -
--version -
--xonxoff -
-X -
-b -
-c -
-d -
-h -
-r -
-t -
-v