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Author | ITU |
---|---|
Editor | ITU |
Document type | Standard |
Format | File |
ICS | 33.040.30 : Switching and signalling systems
|
Number of pages | 13 |
Replace | ITU-T E.422 (1988) |
Year | 1990 |
Document history | ITU-T E.422 (1996-02) |
Country | Switzerland |
Keyword | CCITT E.422;ITU-T 422;422 |