[GreenKeys] dial dwell time adjustment success / 101C modem operation question

[Dave Horsfall]

On Mon, 18 Feb 2019, Jim Haynes wrote:

> My memory is very faint, but I think the answering modem puts out tone 
> first.

As I recall, only fax machines send the originating tone(s) first, in case 
the receiver is a fax/modem i.e. it then knows how to answer.

Been years since I last saw a fax (or a modem, for that matter)...

-- Dave VK2KFU