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ITU-T D.231
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ITU-T D.231
Charging and accounting principles relating to the user-to-user information (UUI) supplementary serviceMore info
| Author | ITU |
|---|---|
| Editor | ITU |
| Document type | Standard |
| Format | File |
| ICS | 33.040.30 : Switching and signalling systems
|
| Number of pages | 2 |
| Year | 1980 |
| Document history | |
| Country | Switzerland |
| Keyword | CCITT D.231;ITU-T 231;231 |