ITU Operational Bulletin
Messages complement to ITU-T Recommendation
ITU-T Recommendation P.1120
P.1120
Last approved: 1.III.2017
Referenced in 2 issues of the Bulletin.
2025
1 amendmentDate / Message
Messages complement to ITU-T Recommendation
Last approved: 1.III.2017
Referenced in 2 issues of the Bulletin.