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ITU-T I.255.4
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ITU-T I.255.4
Community of interest supplementary services : Priority serviceMore info
This Recommendation defines the Priority Community of Interest supplementary service.
| Author | ITU |
|---|---|
| Editor | ITU |
| Document type | Standard |
| Format | File |
| ICS | 33.020 : Telecommunications in general
|
| Number of pages | 6 |
| Year | 1990 |
| Document history | |
| Country | Switzerland |
| Keyword | CCITT I.255;CCITT I.255.4;ITU-T I.255;ITU-T 255;255;ITU-T I.255.4 |