On Mon, Aug 01, 2016 at 10:58:23AM -0400, Steve Petrie, P.Eng. via talk wrote:
I do realize that the DSL modem provides a dial up "line" in parallel with the high-bandwidth DSL link.
The DSL modem has nothing to do with your phone line working as a regular phone line.
However, there is still a difference between: 1. a telephone link over a twisted pair of physical copper wires, and 2. an emulation of a telephone link, over a DSL modem.
No no no. DSL runs on a phone line at the same time as the normal phone does. DSL filters make sure they don't mess with each other, because they run in different frequency ranges. Adding DSL to a phone line does not change anything about how you use it for normal phones or dialup. My parents have had their DSL on their fax line for many years, and the fax is perfectly happy, and a fax is just another modem essentially. DSL doesn't go near the low frequencies that the phone line uses for voice calls (and hence modem calls too). There is no emulation going on.
So, I prefer not to make the switch from dial up to DSL, until after the new Linux PC is working using a dial up modem with the current plain copper twisted-pair connection. While the Win XP system continues to work for live production Internet use, as always, via dial up modem over the twisted pair.
You can keep dialup as long as you want after adding DSL to your line, they have nothing to do with each other. -- Len Sorensen