ITU Operational Bulletin
Messages complement to ITU-T Recommendation
ITU-T Recommendation F.780.1
F.780.1
Last approved: 1.X.2018
Referenced in 1 issue of the Bulletin.
2018
1 amendmentDate / Message
Messages complement to ITU-T Recommendation
Last approved: 1.X.2018
Referenced in 1 issue of the Bulletin.