Subj : Re: Real Modem on VOIP?
To   : Sean Dennis
From : Kurt Weiske
Date : Thu Sep 10 2026 08:10 am

-=> Sean Dennis wrote to Bo Holt <=-

 SD> Probably a bad ground; those were/are very common.  You new when your
 SD> like was multiplexed when you kept connexting at 21600 BPS too.  Try
 SD> putting a multimeter on your line and see if you have AC current on it.


 There was a pay phone outside of Red's Java House, an old waterfront
 bar and grill in San Francisco - had been there almost 70 years.

 https://www.redsjavahouse.com/

 The pay phone was notoriously dodgy - worked some times, not others.
 Turns out there was a reason. The phone was on the side of the building
 and it hung out over the water. They couldn't find a ground to tie it
 to, so they dropped a copper wire into the water. It made a good enough
 ground for the pay phone to seize a trunk, but when the tide was low
 enough, the wire hung above the water. No ground, no dial tone.   :)






.... Emphasize the flaws
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