Thursday January 18, 2018

'All You Wanted to Know About T1'
  Posted by: Digg on Nov 10th, 2005 12:06 AM
"T1 is a high speed digital network (1.544 mbps) developed by AT&T in 1957 and implemented in the early 1960's to support long-haul pulse-code modulation (PCM) voice transmission. The primary innovation of T1 was to introduce "digitized" voice and to create a network fully capable of digitally...."

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