div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=understanding-voice-and-datahtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: understanding voice and data loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentsusreader031viewer2022030305587536841a28abe7728b651dhtml5thumbnails1jpg width=140 height=200 divpFritz Jean-Maryp pUnderstanding Voice and Datap pSep 7 2006p pID: 142560pdiv