Note: The more I worked on this article, the more I realized that it needed to be split into two separate articles. There was more ground to cover here than I originally thought. This article covers configuring a travel router running OpenWRT as a gateway for an ATA, and a Cisco ATA. The Asterisk configuration stuff will come later.

As seems to happen during the time of the covid-19 plague, it's really easy to clear one's backlog of "wouldn't it be nice if" and household repair projects in a short period of time. I mean, hell, I recabled my server …

One of my holiday break hobby projects, a palate cleanser if you will, was reconditioning a classic Radio Shack touch tone dialer I'd picked up on eBay somewhen around Thanksgiving. They're retrotech to be sure, dating back to the days when the touch-tone dialing that we take for granted these days (so much so that we don't even hear them anymore because we use mobile phones) was actually pretty rare.

Note: A lot of the following history of telephony has been edited to reflect only the salient points for this article. Telephony experts out there will probably rankle a bit …