X.1570 2011 I 17 4 Assured exchange (X.1580 X.1589) – RECOMMENDATION CURRENT LATEST EQUIVALENT TARGET SG Q EDITOR No. TITLE PUBLICATION TEXT e.g., ISO/IEC DATE X.1580 2012 I 17 4 X.1581 2012 I 17 4 X.1582 2014 I 17 4 BEEP 17 4 COM 17-TD Work 0280 discontinued
X.1570 2011 I 17 4 Assured exchange (X.1580 – X.1589) RECOMMENDATION CURRENT SG Q EDITOR LATEST EQUIVALENT TARGET No. TITLE PUBLICATION TEXT e.g., ISO/IEC DATE X.1580 2012 I 17 4 X.1581 2012 I 17 4 X.1582 2014 I 17 4 BEEP 17 4 COM 17-TD 0280 Work discontinued
status-x-series-10-16.docx