ITU Operational Bulletin
Messages complement to ITU-T Recommendation
ITU-T Recommendation Z.161.6
Z.161.6
Last approved: 1.X.2017
Referenced in 5 issues of the Bulletin.
2019
1 amendmentDate / Message
Messages complement to ITU-T Recommendation
Last approved: 1.X.2017
Referenced in 5 issues of the Bulletin.