Summary

Amendment 1 to Recommendation ITU-T O.174 (2009) contains several modifications and additional discussion of jitter measuring equipment specified in Recommendation ITU-T O.174 to take into account the changes made in revised Recommendation ITU-T G.8262/Y.1362 (2010) and in Recommendation ITU-T G.8261/Y.1361 (2008) Amendment 1.