Modems and external dialers.

[Paul Anderson]

I think the DN11 had several options available, but don't recall much about
them. I have one left if you need a look at it.

Paul

On Tue, Jun 4, 2019 at 9:57 PM Phil Budne via cctalk <cctalk at classiccmp.org>
wrote:

> See the v6 dn (IV) man page:
>
> http://man.cat-v.org/unix-6th/4/dn
>
> NAME
>      dn - DN-11 ACU interface
>
> DESCRIPTION
>      The dn?  files are write-only.  The permissible codes are:
>
>          0-9 dial 0-9
>          :   dial *
>          ;   dial #
>          -   4 second delay for second dial tone
>          =   end-of-number
>
>      The entire telephone number must be presented in a single
>      write system call.
>
>      It is recommended that an end-of-number code be given even
>      though not all ACU's actually require it.
> ....
>