>
.....
> >
> > Any help will be much appreciated!
>
> Having implemented TAP in the past, I can recommend using 'Hylafax'
> if it still exists.  I haven't looked at it in about 6 years though.

The pkgsrc version is from January 2006; there is newer version from
about two weeks ago (but yes, the last time I used it was more than 6
years ago - all I remember was that it was quite fun to setup...).

>
> Alternatively, you might consider either writing C code, or if you're
> in a hurry, consider installed 'c-kermit' and using its scripting
> language..
>
> I don't see how else you're going to send a NUL from an interactive tty.

$ echo <ctrl-V><ctrl-@>  > /tmp/1
$ od -c /tmp/1
0000000   \0  \n
0000002


from zsh.

>
>

Chavdar