Telephone Receiver Off Hook Tone For Telephone Switch Type ATT/Philps Tel 5ESS-PBX Host - Video Dailymotion

Telephone Receiver Off Hook Tone For Telephone Switch Type ATT/Philps Tel 5ESS-PBX Host - Video Dailymotion: This is what the telephone ROH tone sounded like in Concord Tn. But did the ROH tone in Halls Crossroads Tn. sound like this? Does anybody have any idea of what kind of rone this is? Does anybody know what the techmical name for this tone is? Is this tone manual or automatic? It's just that I thought this the ROH tone for the PBX switches that is a so called howler tone changed pitches and went up and down repeatedly. Please let me know. Thank you.