Logo of <a href="https://en.wikipedia.org/wiki/Paradyne" class="extiw" title="en:Paradyne">Paradyne</a>, d.b.a. AT&amp;T Paradyne, before 1996
AT&amp;T Paradyne
Adapted from <a rel="nofollow" class="external text" href="https://ia601807.us.archive.org/13/items/manualzilla-id-5907084/5907084.pdf">front cover of manual</a>