ITU Operational Bulletin
Messages complement to ITU-T Recommendation
ITU-T Recommendation Z.166
Z.166
Last approved: 28.II.2011
Referenced in 12 issues of the Bulletin.
2023
1 amendmentDate / Message
2019
1 amendmentDate / Message
Messages complement to ITU-T Recommendation
Last approved: 28.II.2011
Referenced in 12 issues of the Bulletin.