ITU Operational Bulletin
Messages complement to ITU-T Recommendation
ITU-T Recommendation Y.3135
Y.3135
Last approved: 31.I.2021
Referenced in 1 issue of the Bulletin.
2021
1 amendmentDate / Message
Messages complement to ITU-T Recommendation
Last approved: 31.I.2021
Referenced in 1 issue of the Bulletin.