the.com/switchboard
The original human router, plugging strangers together one cable at a time.
means A panel of jacks and cords that an operator used to manually connect telephone calls between parties.
from From switch (to redirect) plus board (the physical panel), coined in the 1880s telephone boom when calls needed human matchmakers to complete.
All womenOperators were nearly all female by the 1900s.
Hello girlsWWI switchboard operators ran Allied frontline comms.
Phrase legacyTo switch calls survives long after the cords vanished.