I just love to watch trains and explore the history of Telephone Exchanges.
Thursday, May 9, 2013
Was Tennessee Telephone Co popular in Tennessee with this switch type ATTphilps Tel 5ESS-PBX Host? - Video Dailymotion
Was Tennessee Telephone Co popular in Tennessee with this switch type ATTphilps Tel 5ESS-PBX Host? - Video Dailymotion Was Tennnessee Telephone Company Inc. popular in Tennessee with this switch type ATT/Philps Tel 5ESS-PBX Host and this ROH tone?I woukd still like ro know the Technical name for that ROH tone and what kind of ROH tone that is. Please ket me know. Thank you.
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