div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=itu-t-recommendation-h261htmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: ITU-T Recommendation H261 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader038vdocumentspubreader038viewer202211021056812c71550346895d910983html5thumbnails1jpg width=140 height=200 divpITU-T Recommendation H261pdiv