ITU Operational Bulletin
Messages complement to ITU-T Recommendation
ITU-T Recommendation Y.4560
Y.4560
Last approved: 31.VII.2020
Referenced in 2 issues of the Bulletin.
2020
1 amendmentDate / Message
Messages complement to ITU-T Recommendation
Last approved: 31.VII.2020
Referenced in 2 issues of the Bulletin.