No, beta 6 and newer versions have the '/nocbm' command line switch.
You still need to add it to your MDMA shortcut, see Method 2 on this page for an example of how to do this and pay close attention to the method notes.
i have create the shortcut for mdma ilke the method 2 and add "D:\mdma10031beta8\mdma.exe /nocbm" in the comment box
and when i run the program it still didn't work for my modem