Talk:Number Five Crossbar Switching System

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Sounds[edit]

Anybody have the sounds? There used to be a single website that was a library of these sounds, but now they are broken links. Hopefully these sounds are permanently lost. I was hoping to find them here. — Preceding unsigned comment added by 184.156.58.43 (talk) 00:41, 14 July 2017 (UTC)[reply]

Picturephone[edit]

The section about Picturephone service seems out-of-place in this article. My recollection is that this was experimental and never went into service. While I have no doubt that the modifications to a 5XB necessary to support video service were planned and even prototyped/tested, I question whether any operational telephone exchange "in the wild" was upgraded to support a service that never went to market. ----Tim McNerney (talk) 05:19, 12 December 2016 (UTC)[reply]

NYTel had no Switchman course for it in approximately 1972-3. I attended an installers' course before being assigned to inspect a 5XB WBRS that was being installed on the West Side of Manhattan. I was told it would home on a working 5XB Picturephone switch already providing service to Westinghouse and other East Side of Manhattan customers. Work halted and I was soon sent to 1ESS school instead. Probably the one I inspected never awoke, but early switchgear was designed, built, and working elsewhere. A small step above prototype. Jim.henderson (talk) 21:58, 15 December 2016 (UTC)[reply]