[GreenKeys] Are there any telephone switchers in the group?

[Jeffrey Golas]

Curious as well, recently got one and read up the tech page on them, seriously sounds like they just leveraged the same Telegraph/Telex lines, similar voltage and polarity reversal for signaling, but audio similar to RTTY if Im not mistaken.

Jeff

> On Feb 16, 2025, at 12:00 AM, abowman89 via GreenKeys <greenkeys at mailman.qth.net> wrote:
> 
> 
> 
>      This is bait and I'll absolutely bite, yes.  What specificly?  Like switch boards?  I really love the western union desk fax machines and wanna know what was between them.
>        Andy
> 
> 
> 
> Sent via the Samsung Galaxy S24+, an AT&T 5G smartphone
> 
> 
> Sent via the Samsung Galaxy S24+, an AT&T 5G smartphone
> 
> 
> ______________________________________________________________
> GreenKeys mailing list
> Home: http://mailman.qth.net/mailman/listinfo/greenkeys
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:GreenKeys at mailman.qth.net
> 
>>>> Jordan Spencer Cunningham's GreenKeys Search Tool: https://teletype.net/gksearch
>>>> 2002-to-present greenkeys archive: http://mailman.qth.net/pipermail/greenkeys/
>>>> 1998-to-2001 greenkeys archive: http://mailman.qth.net/archive/greenkeys/greenkeys.html
>>>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool: http://comcents.com/tty/greenkeyssearch.html
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to jeffg at junknet.net
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20250216/f021e9d2/attachment.html>