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| Author | ITU |
|---|---|
| Editor | ITU |
| Document type | Standard |
| Format | File |
| ICS | 33.040.40 : Data communication networks 35.110 : Networking |
| Modified by | ITU-T Y Supplement 18 (2012-06) |
| Year | 2010 |
| Document history | |
| Country | International |
| Keyword | CCITT Y.2721;ITU-T 2721;2721;ITU-T Y.2721 |