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| Tape Number | FLAC | MP3 | Year Recorded | Description | 
| 0142 | Part 1 Part 2 | Part 1 Part 2 | Summer 1978 Jul 1979 Jul 1979 Jan 1981 | Benson VT CX-1000 all relay7/22 demo of changes in Atlanta Network in anticipation of the 87 cutover Polarity-sensing line-tie device MCI FX lines to Atlanta documented | 
| 0143 | Part 1 Part 2 | Part 1 Part 2 | 1976 | Brief Farmingdale NY 5XB Brief White River Junction VT #1 Step Danville VT Bell CDO with original “new” tones Incl. dialing a LD place as if local – via a third place which IS local – on BELL post-pay; then choinking MORE calls Cabot VT indep Step; includes dialing through 2 intermediate points (one of which is LD) to reach Barre (which is LD) Hardwick VT Bell CDO with original “new” tones | 
| 0164A | Part 1 Part 2 | Part 1 Part 2 | 1975 | 212-923 panel (west 176th street Manhattan); Manhattan intercept operator talking to friend; Minneapolis AIS special announcement 97 (noisy); Bell System answering machine in Long Beach repair bureau; Tennessee office code (901-239) that works as direct access to Corinth MS toll center | 
| 0164B | Part 1 Part 2 | Part 1 Part 2 | 1975 | Hempstead #1 Crossbar; Lynbrook #5 crossbar; Use of the South Hampton SD (repair service diverter); sounds from within the Cabot, VT Contel step CDO, #1 Step in Barry, VT, Bell step CDO with new tones in Plainfield, VT; Contel Step in Marshfield, VT. | 
| 0801 | FLAC | MP3 | February 1986 | New York Telephone’s Automated Coin Zone (and beating it) Second Generation TSPS Mechanized Calling Card Phrases Boston Time and it’s conference |