Evan Doorbell's Phone Tapes – Brought to You by Telephone World

Evan Doorbell's Phone Tapes is a collection of documentary recordings documenting how the telephone system operated in the 1970s, hosted by Telephone World with permission from Evan Doorbell. The collection includes both narrated "production tapes" with full descriptions and unnarrated "raw tapes" of telephone sounds, with a Group 1 Playlist featuring 95 of the top narrated recordings recommended for newcomers. The material is copyrighted by Evan Doorbell and available for free redistribution but not for sale.