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ITU-T Q.939
New product
ITU-T Q.939
Typical DSS1 service indicator codings for ISDN telecommunications servicesMore info
| Author | ITU |
|---|---|
| Editor | ITU |
| Document type | Standard |
| Format | File |
| ICS | 33.080 : Integrated Services Digital Network (ISDN)
|
| Number of pages | 49 |
| Year | 1990 |
| Document history | |
| Country | Switzerland |
| Keyword | CCITT Q.939;ITU-T 939;939;ITU-T Q.939 |