Bell System #1 Step in downtown Raleigh, NC - Part 3
By Evan Doorbell
PHONETRIPS.
COM
reorder signal, blocked level, vacant level, digit absorbing selector, step office, step by step, number one step, #1 step, central office, Fuquay-Varina,
Fuquay Varina, 2600 controlled carrier, supervision test,
2600 hertz, 2600 Hz, trunk group, absorbed digit, crosstalk, outgoing trunk, trunk noise, vacant level recording, southern bell telephone company, general telephone,
GTE, t-carrier, t carrier, Tcarrier, battery cut off, battery cutoff, battery cut-off, talk battery, dialtone, dial tone, ring back, ringback, dial speed test, phone patch, phonepatch, telephone recordings, bell system, 20 Hz, step, panel, crossbar, partyline, partylines, #5 crossbar, crossbar 5, #5Xbar, cable pair trunk, cable pair trunks, repeater, repeaters, wire trunk, wire tr
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