No products
Author | ITU |
---|---|
Editor | ITU |
Document type | Standard |
Format | File |
ICS | 33.040.30 : Switching and signalling systems
|
Number of pages | 2 |
Replace | ITU-T E.151 (1988) |
Year | 1990 |
Document history | ITU-T E.151 (1992-08) |
Country | Switzerland |
Keyword | CCITT E.151;ITU-T 151;151 |