ITU Operational Bulletin
Messages complement to ITU-T Recommendation
ITU-T Recommendation Y.1564
Y.1564
Last approved: 28.II.2011
Referenced in 2 issues of the Bulletin.
2011
1 amendmentDate / Message
Messages complement to ITU-T Recommendation
Last approved: 28.II.2011
Referenced in 2 issues of the Bulletin.