axcall(1) on Linux
The text 4c36531d075f, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
make an AX.25, NET/ROM or Rose connection.
Flags it lists
-
-R -
-S -
-T -
-W -
-b -
-d -
-h -
-m -
-p -
-r -
-s -
-t -
-v -
-w